./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-1.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_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b --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 02ce82ba0ace3f5b040163bfedd713ab4e5a143077898ba922a6491fc85c9af7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:32:57,417 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:32:57,475 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 04:32:57,479 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:32:57,480 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:32:57,500 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:32:57,500 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:32:57,501 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:32:57,501 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:32:57,501 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:32:57,501 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:32:57,501 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:32:57,501 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:32:57,502 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:32:57,502 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:32:57,502 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:32:57,502 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:32:57,502 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:32:57,502 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:32:57,502 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:32:57,502 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:32:57,502 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:32:57,502 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:32:57,502 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:32:57,503 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:32:57,503 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:32:57,503 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:32:57,503 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:32:57,503 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:32:57,503 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:32:57,503 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:32:57,503 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:32:57,503 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:32:57,503 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_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b 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 -> 02ce82ba0ace3f5b040163bfedd713ab4e5a143077898ba922a6491fc85c9af7 [2024-12-06 04:32:57,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:32:57,745 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:32:57,747 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:32:57,749 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:32:57,749 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:32:57,750 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-1.i [2024-12-06 04:33:00,350 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/data/6239f1e8b/ebe966f03bb44778a0a8a18fb0b7f312/FLAGe9708c934 [2024-12-06 04:33:00,580 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:33:00,581 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-1.i [2024-12-06 04:33:00,587 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/data/6239f1e8b/ebe966f03bb44778a0a8a18fb0b7f312/FLAGe9708c934 [2024-12-06 04:33:00,939 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/data/6239f1e8b/ebe966f03bb44778a0a8a18fb0b7f312 [2024-12-06 04:33:00,941 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:33:00,942 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:33:00,944 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:33:00,944 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:33:00,947 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:33:00,948 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:33:00" (1/1) ... [2024-12-06 04:33:00,948 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a66da0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:33:00, skipping insertion in model container [2024-12-06 04:33:00,948 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:33:00" (1/1) ... [2024-12-06 04:33:00,960 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:33:01,060 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_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-1.i[914,927] [2024-12-06 04:33:01,086 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:33:01,096 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:33:01,103 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_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-1.i[914,927] [2024-12-06 04:33:01,116 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:33:01,129 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:33:01,130 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:33:01 WrapperNode [2024-12-06 04:33:01,130 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:33:01,131 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:33:01,131 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:33:01,131 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:33:01,136 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:33:01" (1/1) ... [2024-12-06 04:33:01,141 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:33:01" (1/1) ... [2024-12-06 04:33:01,156 INFO L138 Inliner]: procedures = 26, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 77 [2024-12-06 04:33:01,156 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:33:01,156 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:33:01,157 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:33:01,157 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:33:01,162 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:33:01" (1/1) ... [2024-12-06 04:33:01,162 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:33:01" (1/1) ... [2024-12-06 04:33:01,163 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:33:01" (1/1) ... [2024-12-06 04:33:01,163 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:33:01" (1/1) ... [2024-12-06 04:33:01,167 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:33:01" (1/1) ... [2024-12-06 04:33:01,168 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:33:01" (1/1) ... [2024-12-06 04:33:01,172 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:33:01" (1/1) ... [2024-12-06 04:33:01,173 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:33:01" (1/1) ... [2024-12-06 04:33:01,173 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:33:01" (1/1) ... [2024-12-06 04:33:01,175 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:33:01,176 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:33:01,176 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:33:01,176 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:33:01,177 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:33:01" (1/1) ... [2024-12-06 04:33:01,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:33:01,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:33:01,202 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:33:01,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:33:01,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:33:01,225 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 04:33:01,225 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 04:33:01,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 04:33:01,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:33:01,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:33:01,281 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:33:01,283 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:33:01,426 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-12-06 04:33:01,426 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:33:01,478 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:33:01,478 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 04:33:01,478 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:33:01 BoogieIcfgContainer [2024-12-06 04:33:01,478 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:33:01,479 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:33:01,479 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:33:01,490 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:33:01,490 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:33:01" (1/1) ... [2024-12-06 04:33:01,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:33:01,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:33:01,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2024-12-06 04:33:01,548 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2024-12-06 04:33:01,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:33:01,553 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:33:01,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:33:01,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:33:01,713 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:33:01,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:33:01,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:33:01,888 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:33:01,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:33:01,942 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 04:33:01,977 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 04:33:01 ImpRootNode [2024-12-06 04:33:01,978 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 04:33:01,979 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 04:33:01,979 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 04:33:01,979 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 04:33:01,980 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:33:01" (3/4) ... [2024-12-06 04:33:01,982 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 04:33:01,982 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 04:33:01,983 INFO L158 Benchmark]: Toolchain (without parser) took 1040.62ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 59.5MB in the end (delta: 57.3MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-12-06 04:33:01,984 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:33:01,984 INFO L158 Benchmark]: CACSL2BoogieTranslator took 186.39ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 105.1MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:33:01,984 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.38ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 103.4MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:33:01,985 INFO L158 Benchmark]: Boogie Preprocessor took 18.57ms. Allocated memory is still 142.6MB. Free memory was 103.4MB in the beginning and 102.5MB in the end (delta: 856.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:33:01,985 INFO L158 Benchmark]: RCFGBuilder took 302.76ms. Allocated memory is still 142.6MB. Free memory was 102.5MB in the beginning and 87.0MB in the end (delta: 15.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:33:01,986 INFO L158 Benchmark]: CodeCheck took 498.89ms. Allocated memory is still 142.6MB. Free memory was 87.0MB in the beginning and 59.8MB in the end (delta: 27.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 04:33:01,986 INFO L158 Benchmark]: Witness Printer took 3.74ms. Allocated memory is still 142.6MB. Free memory is still 59.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:33:01,988 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, 25 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 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 46, overapproximation of someBinaryFLOATComparisonOperation at line 38, overapproximation of someBinaryFLOATComparisonOperation at line 44, overapproximation of someUnaryFLOAToperation at line 39. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 9.8; [L23] float var_1_2 = 10.375; [L24] float var_1_4 = 256.2; [L25] unsigned long int var_1_5 = 8; [L26] unsigned long int var_1_6 = 3674304896; [L27] unsigned long int var_1_7 = 8; [L28] unsigned char var_1_8 = 0; [L29] unsigned char var_1_9 = 0; [L30] signed short int var_1_10 = -25; [L31] signed short int var_1_11 = -5; [L67] isInitial = 1 [L68] FCALL initially() [L70] FCALL updateLastVariables() [L71] CALL updateVariables() [L43] var_1_2 = __VERIFIER_nondet_float() [L44] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_4=1281/5, var_1_5=8, var_1_6=3674304896, var_1_7=8, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L44] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_4=1281/5, var_1_5=8, var_1_6=3674304896, var_1_7=8, var_1_8=0, var_1_9=0] [L45] var_1_4 = __VERIFIER_nondet_float() [L46] CALL assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_5=8, var_1_6=3674304896, var_1_7=8, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L46] RET assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_5=8, var_1_6=3674304896, var_1_7=8, var_1_8=0, var_1_9=0] [L47] var_1_6 = __VERIFIER_nondet_ulong() [L48] CALL assume_abort_if_not(var_1_6 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_5=8, var_1_6=2147483647, var_1_7=8, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L48] RET assume_abort_if_not(var_1_6 >= 2147483647) VAL [isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_5=8, var_1_6=2147483647, var_1_7=8, var_1_8=0, var_1_9=0] [L49] CALL assume_abort_if_not(var_1_6 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_5=8, var_1_6=2147483647, var_1_7=8, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L49] RET assume_abort_if_not(var_1_6 <= 4294967294) VAL [isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_5=8, var_1_6=2147483647, var_1_7=8, var_1_8=0, var_1_9=0] [L50] var_1_7 = __VERIFIER_nondet_ulong() [L51] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_5=8, var_1_6=2147483647, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L51] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_5=8, var_1_6=2147483647, var_1_8=0, var_1_9=0] [L52] CALL assume_abort_if_not(var_1_7 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_5=8, var_1_6=2147483647, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L52] RET assume_abort_if_not(var_1_7 <= 4294967294) VAL [isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_5=8, var_1_6=2147483647, var_1_7=0, var_1_8=0, var_1_9=0] [L53] var_1_9 = __VERIFIER_nondet_uchar() [L54] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_5=8, var_1_6=2147483647, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) [L54] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_5=8, var_1_6=2147483647, var_1_7=0, var_1_8=0] [L55] CALL assume_abort_if_not(var_1_9 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_5=8, var_1_6=2147483647, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L55] RET assume_abort_if_not(var_1_9 <= 0) VAL [isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_5=8, var_1_6=2147483647, var_1_7=0, var_1_8=0, var_1_9=0] [L56] var_1_11 = __VERIFIER_nondet_short() [L57] CALL assume_abort_if_not(var_1_11 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10=-25, var_1_11=0, var_1_1=49/5, var_1_5=8, var_1_6=2147483647, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L57] RET assume_abort_if_not(var_1_11 >= -32767) VAL [isInitial=1, var_1_10=-25, var_1_11=0, var_1_1=49/5, var_1_5=8, var_1_6=2147483647, var_1_7=0, var_1_8=0, var_1_9=0] [L58] CALL assume_abort_if_not(var_1_11 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=-25, var_1_11=0, var_1_1=49/5, var_1_5=8, var_1_6=2147483647, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L58] RET assume_abort_if_not(var_1_11 <= 32766) VAL [isInitial=1, var_1_10=-25, var_1_11=0, var_1_1=49/5, var_1_5=8, var_1_6=2147483647, var_1_7=0, var_1_8=0, var_1_9=0] [L71] RET updateVariables() [L72] CALL step() [L35] var_1_5 = (((((var_1_6 - 500u)) < (var_1_7)) ? ((var_1_6 - 500u)) : (var_1_7))) [L36] var_1_8 = var_1_9 [L37] var_1_10 = var_1_11 [L38] COND TRUE (var_1_2 <= 8.75f) || var_1_8 [L39] var_1_1 = ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) [L72] RET step() [L73] CALL, EXPR property() [L63-L64] return (((((var_1_2 <= 8.75f) || var_1_8) ? (var_1_1 == ((float) ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))) : 1) && (var_1_5 == ((unsigned long int) (((((var_1_6 - 500u)) < (var_1_7)) ? ((var_1_6 - 500u)) : (var_1_7)))))) && (var_1_8 == ((unsigned char) var_1_9))) && (var_1_10 == ((signed short int) var_1_11)) ; [L73] RET, EXPR property() [L73] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_1=49/5, var_1_4=0, var_1_5=0, var_1_6=2147483647, var_1_7=0, var_1_8=0, var_1_9=0] [L19] reach_error() VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_1=49/5, var_1_4=0, var_1_5=0, var_1_6=2147483647, var_1_7=0, var_1_8=0, var_1_9=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 186.39ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 105.1MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.38ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 103.4MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.57ms. Allocated memory is still 142.6MB. Free memory was 103.4MB in the beginning and 102.5MB in the end (delta: 856.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 302.76ms. Allocated memory is still 142.6MB. Free memory was 102.5MB in the beginning and 87.0MB in the end (delta: 15.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 498.89ms. Allocated memory is still 142.6MB. Free memory was 87.0MB in the beginning and 59.8MB in the end (delta: 27.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 3.74ms. Allocated memory is still 142.6MB. Free memory is still 59.5MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 04:33:02,005 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b --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 02ce82ba0ace3f5b040163bfedd713ab4e5a143077898ba922a6491fc85c9af7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:33:03,900 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:33:03,982 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 04:33:04,008 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:33:04,008 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:33:04,008 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:33:04,009 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:33:04,009 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:33:04,009 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:33:04,009 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:33:04,009 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:33:04,009 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:33:04,009 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:33:04,010 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:33:04,010 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:33:04,010 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:33:04,010 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 04:33:04,010 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 04:33:04,010 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 04:33:04,010 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:33:04,010 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:33:04,010 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:33:04,010 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:33:04,010 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:33:04,011 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:33:04,011 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:33:04,011 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:33:04,011 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 04:33:04,011 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:33:04,011 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:33:04,011 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:33:04,011 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:33:04,011 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:33:04,011 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 04:33:04,011 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:33:04,012 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 04:33:04,012 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_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b 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 -> 02ce82ba0ace3f5b040163bfedd713ab4e5a143077898ba922a6491fc85c9af7 [2024-12-06 04:33:04,240 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:33:04,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:33:04,249 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:33:04,250 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:33:04,251 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:33:04,252 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-1.i [2024-12-06 04:33:06,885 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/data/62e96c4dc/49891adca7a74301adcc79e25db2911b/FLAG7db0a1bf9 [2024-12-06 04:33:07,065 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:33:07,065 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-1.i [2024-12-06 04:33:07,071 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/data/62e96c4dc/49891adca7a74301adcc79e25db2911b/FLAG7db0a1bf9 [2024-12-06 04:33:07,451 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/data/62e96c4dc/49891adca7a74301adcc79e25db2911b [2024-12-06 04:33:07,453 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:33:07,454 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:33:07,455 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:33:07,455 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:33:07,458 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:33:07,459 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:33:07" (1/1) ... [2024-12-06 04:33:07,459 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c79dd60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:33:07, skipping insertion in model container [2024-12-06 04:33:07,459 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:33:07" (1/1) ... [2024-12-06 04:33:07,469 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:33:07,557 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_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-1.i[914,927] [2024-12-06 04:33:07,577 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:33:07,586 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:33:07,593 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_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-1.i[914,927] [2024-12-06 04:33:07,601 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:33:07,613 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:33:07,613 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:33:07 WrapperNode [2024-12-06 04:33:07,613 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:33:07,614 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:33:07,614 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:33:07,614 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:33:07,619 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:33:07" (1/1) ... [2024-12-06 04:33:07,627 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:33:07" (1/1) ... [2024-12-06 04:33:07,646 INFO L138 Inliner]: procedures = 27, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 76 [2024-12-06 04:33:07,646 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:33:07,646 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:33:07,647 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:33:07,647 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:33:07,654 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:33:07" (1/1) ... [2024-12-06 04:33:07,654 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:33:07" (1/1) ... [2024-12-06 04:33:07,657 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:33:07" (1/1) ... [2024-12-06 04:33:07,657 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:33:07" (1/1) ... [2024-12-06 04:33:07,664 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:33:07" (1/1) ... [2024-12-06 04:33:07,665 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:33:07" (1/1) ... [2024-12-06 04:33:07,668 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:33:07" (1/1) ... [2024-12-06 04:33:07,670 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:33:07" (1/1) ... [2024-12-06 04:33:07,671 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:33:07" (1/1) ... [2024-12-06 04:33:07,673 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:33:07,674 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:33:07,674 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:33:07,674 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:33:07,675 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:33:07" (1/1) ... [2024-12-06 04:33:07,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:33:07,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:33:07,704 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:33:07,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:33:07,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:33:07,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 04:33:07,734 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 04:33:07,734 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 04:33:07,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:33:07,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:33:07,789 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:33:07,791 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:33:07,953 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-12-06 04:33:07,953 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:33:08,011 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:33:08,011 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 04:33:08,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:33:08 BoogieIcfgContainer [2024-12-06 04:33:08,011 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:33:08,012 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:33:08,012 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:33:08,019 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:33:08,019 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:33:08" (1/1) ... [2024-12-06 04:33:08,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:33:08,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:33:08,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2024-12-06 04:33:08,064 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2024-12-06 04:33:08,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:33:08,068 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:33:08,068 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:33:08,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:33:08,070 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:33:08,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 04:33:08,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:08,463 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:33:08,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:08,508 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:33:08,514 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:33:13,146 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:33:13,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 04:33:13,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:33:13,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 44 states and 82 transitions. [2024-12-06 04:33:13,945 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 82 transitions. [2024-12-06 04:33:13,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:33:13,947 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:33:13,947 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:33:13,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:33:13,949 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:33:13,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 04:33:14,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:14,318 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:33:14,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:14,353 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:33:14,356 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:33:17,397 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:33:17,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 04:33:19,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:33:19,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 59 states and 113 transitions. [2024-12-06 04:33:19,058 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 113 transitions. [2024-12-06 04:33:19,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:33:19,060 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:33:19,060 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:33:19,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:33:19,062 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:33:19,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 04:33:19,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:19,409 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:33:19,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:19,432 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:33:19,435 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:33:21,960 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:33:21,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 04:33:22,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:33:22,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 59 states and 113 transitions. [2024-12-06 04:33:22,135 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 113 transitions. [2024-12-06 04:33:22,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:33:22,136 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:33:22,136 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:33:22,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:33:22,138 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:33:22,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 04:33:22,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:22,479 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:33:22,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:22,503 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:33:22,504 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:33:24,823 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:33:24,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 04:33:24,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:33:24,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 59 states and 113 transitions. [2024-12-06 04:33:24,872 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 113 transitions. [2024-12-06 04:33:24,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:33:24,873 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:33:24,874 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:33:24,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:33:24,875 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:33:24,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 04:33:25,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:25,212 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:33:25,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:25,240 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:33:25,241 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:33:27,514 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:33:27,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 04:33:27,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:33:27,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 59 states and 113 transitions. [2024-12-06 04:33:27,555 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 113 transitions. [2024-12-06 04:33:27,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:33:27,555 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:33:27,556 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:33:27,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:33:27,557 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:33:27,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 04:33:27,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:27,900 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:33:27,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:27,925 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:33:27,927 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:33:30,241 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:33:30,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 04:33:30,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:33:30,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 59 states and 113 transitions. [2024-12-06 04:33:30,284 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 113 transitions. [2024-12-06 04:33:30,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:33:30,285 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:33:30,286 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:33:30,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:33:30,287 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:33:30,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 04:33:30,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:30,673 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:33:30,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:30,701 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:33:30,703 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:33:32,998 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:33:33,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 04:33:33,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:33:33,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 59 states and 113 transitions. [2024-12-06 04:33:33,038 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 113 transitions. [2024-12-06 04:33:33,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:33:33,039 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:33:33,039 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:33:33,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:33:33,041 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:33:33,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 04:33:33,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:33,379 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:33:33,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:33,400 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:33:33,402 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:33:36,009 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:33:36,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 04:33:36,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:33:36,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:33:36,413 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:33:36,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:33:36,414 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:33:36,414 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:33:36,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:33:36,416 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:33:36,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 04:33:36,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:36,759 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:33:36,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:36,782 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:33:36,783 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:33:39,106 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:33:39,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 04:33:39,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:33:39,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:33:39,139 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:33:39,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:33:39,139 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:33:39,140 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:33:39,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:33:39,141 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:33:39,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 04:33:39,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:39,544 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:33:39,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:39,574 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:33:39,576 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:33:41,816 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:33:41,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 04:33:41,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:33:41,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:33:41,840 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:33:41,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:33:41,841 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:33:41,841 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:33:41,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:33:41,842 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:33:41,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 04:33:42,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:42,187 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:33:42,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:42,209 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:33:42,210 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:33:44,806 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:33:44,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-06 04:33:44,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:33:44,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:33:44,877 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:33:44,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:33:44,878 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:33:44,878 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:33:44,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:33:44,880 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:33:44,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 04:33:45,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:45,243 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:33:45,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:45,265 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:33:45,267 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:33:47,873 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:33:47,876 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 04:33:47,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:33:47,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:33:47,892 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:33:47,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:33:47,893 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:33:47,893 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:33:47,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:33:47,895 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:33:47,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 04:33:48,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:48,256 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:33:48,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:48,278 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:33:48,279 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:33:50,764 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:33:50,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-06 04:33:50,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:33:50,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:33:50,777 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:33:50,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:33:50,778 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:33:50,778 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:33:50,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:33:50,780 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:33:50,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 04:33:51,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:51,134 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:33:51,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:51,155 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:33:51,158 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:33:53,731 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:33:53,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-06 04:33:53,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:33:53,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:33:53,744 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:33:53,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:33:53,744 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:33:53,744 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:33:53,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:33:53,746 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:33:53,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-06 04:33:54,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:54,096 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:33:54,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:54,125 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:33:54,126 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:33:56,604 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:33:56,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-06 04:33:56,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:33:56,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:33:56,616 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:33:56,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:33:56,616 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:33:56,617 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:33:56,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:33:56,618 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:33:56,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-06 04:33:56,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:56,956 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:33:56,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:33:56,976 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:33:56,977 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:33:59,656 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:33:59,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-06 04:33:59,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:33:59,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:33:59,671 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:33:59,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:33:59,672 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:33:59,672 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:33:59,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:33:59,673 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:33:59,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-06 04:34:00,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:00,004 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:34:00,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:00,024 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:34:00,025 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:34:02,374 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:34:02,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-06 04:34:02,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:34:02,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:34:02,403 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:34:02,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:34:02,404 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:34:02,404 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:34:02,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:34:02,406 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:34:02,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-06 04:34:02,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:02,745 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:34:02,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:02,773 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:34:02,774 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:34:05,181 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:34:05,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-06 04:34:05,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:34:05,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:34:05,206 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:34:05,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:34:05,206 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:34:05,207 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:34:05,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:34:05,208 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:34:05,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-06 04:34:05,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:05,637 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:34:05,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:05,659 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:34:05,660 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:34:07,861 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:34:07,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-06 04:34:07,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:34:07,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:34:07,987 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:34:07,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:34:07,987 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:34:07,987 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:34:07,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:34:07,989 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:34:07,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-06 04:34:08,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:08,329 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:34:08,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:08,350 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:34:08,351 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:34:10,580 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:34:10,583 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-06 04:34:10,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:34:10,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:34:10,606 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:34:10,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:34:10,606 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:34:10,606 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:34:10,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:34:10,608 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:34:10,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-06 04:34:10,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:10,950 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:34:10,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:10,973 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:34:10,974 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:34:13,235 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:34:13,238 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-12-06 04:34:13,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:34:13,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:34:13,370 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:34:13,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:34:13,371 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:34:13,371 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:34:13,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:34:13,372 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:34:13,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-06 04:34:13,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:13,727 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:34:13,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:13,748 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:34:13,749 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:34:16,262 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:34:16,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-12-06 04:34:16,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:34:16,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:34:16,274 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:34:16,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:34:16,274 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:34:16,274 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:34:16,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:34:16,276 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:34:16,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-12-06 04:34:16,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:16,618 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:34:16,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:16,647 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:34:16,648 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:34:19,269 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:34:19,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-12-06 04:34:19,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:34:19,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:34:19,280 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:34:19,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:34:19,281 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:34:19,281 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:34:19,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:34:19,282 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:34:19,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-06 04:34:19,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:19,621 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:34:19,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:19,643 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:34:19,644 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:34:21,921 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:34:21,925 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-12-06 04:34:22,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:34:22,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:34:22,047 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:34:22,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:34:22,047 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:34:22,047 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:34:22,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:34:22,049 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:34:22,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-12-06 04:34:22,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:22,389 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:34:22,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:22,409 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:34:22,410 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:34:24,926 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:34:24,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-12-06 04:34:24,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:34:24,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:34:24,939 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:34:24,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:34:24,940 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:34:24,940 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:34:24,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:34:24,942 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:34:24,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-12-06 04:34:25,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:25,285 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:34:25,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:25,309 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:34:25,310 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:34:27,870 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:34:27,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-12-06 04:34:27,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:34:27,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:34:27,882 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:34:27,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:34:27,882 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:34:27,882 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:34:27,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:34:27,884 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:34:27,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-12-06 04:34:28,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:28,220 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:34:28,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:28,242 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:34:28,243 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:34:30,691 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:34:30,694 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-12-06 04:34:30,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:34:30,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:34:30,703 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:34:30,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:34:30,703 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:34:30,703 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:34:30,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:34:30,705 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:34:30,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-12-06 04:34:31,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:31,041 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:34:31,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:31,063 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:34:31,064 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:34:33,262 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:34:33,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-12-06 04:34:33,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:34:33,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:34:33,396 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:34:33,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:34:33,396 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:34:33,396 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:34:33,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:34:33,398 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:34:33,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-12-06 04:34:33,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:33,738 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:34:33,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:33,761 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:34:33,762 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:34:36,007 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:34:36,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-12-06 04:34:36,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:34:36,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:34:36,145 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:34:36,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:34:36,145 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:34:36,145 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:34:36,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:34:36,147 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:34:36,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-12-06 04:34:36,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:36,502 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:34:36,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:36,525 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:34:36,526 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:34:39,094 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:34:39,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-12-06 04:34:39,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:34:39,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:34:39,105 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:34:39,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:34:39,106 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:34:39,106 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:34:39,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:34:39,107 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:34:39,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-12-06 04:34:39,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:39,449 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:34:39,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:39,471 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:34:39,472 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:34:41,702 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:34:41,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-12-06 04:34:41,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:34:41,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:34:41,837 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:34:41,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:34:41,837 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:34:41,837 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:34:41,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:34:41,839 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:34:41,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-12-06 04:34:42,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:42,181 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:34:42,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:42,203 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:34:42,203 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:34:44,641 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:34:44,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-12-06 04:34:44,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:34:44,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:34:44,654 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:34:44,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:34:44,654 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:34:44,655 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:34:44,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:34:44,656 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:34:44,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-12-06 04:34:44,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:44,996 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:34:45,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:45,017 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:34:45,018 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:34:47,477 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:34:47,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-12-06 04:34:47,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:34:47,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:34:47,489 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:34:47,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:34:47,489 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:34:47,489 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:34:47,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:34:47,491 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:34:47,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-12-06 04:34:47,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:47,821 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:34:47,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:47,842 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:34:47,844 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:34:50,020 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:34:50,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-12-06 04:34:50,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:34:50,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:34:50,045 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:34:50,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:34:50,045 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:34:50,045 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:34:50,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:34:50,047 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:34:50,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-12-06 04:34:50,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:50,381 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:34:50,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:50,401 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:34:50,402 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:34:52,878 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:34:52,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-12-06 04:34:52,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:34:52,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:34:52,890 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:34:52,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:34:52,891 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:34:52,891 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:34:52,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:34:52,892 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:34:52,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-12-06 04:34:53,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:53,225 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:34:53,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:53,248 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:34:53,249 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:34:55,773 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:34:55,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-12-06 04:34:55,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:34:55,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:34:55,785 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:34:55,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:34:55,785 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:34:55,785 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:34:55,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:34:55,787 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:34:55,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-12-06 04:34:56,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:56,128 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:34:56,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:56,150 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:34:56,151 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:34:58,319 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:34:58,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-12-06 04:34:58,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:34:58,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:34:58,346 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:34:58,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:34:58,347 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:34:58,347 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:34:58,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:34:58,348 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:34:58,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-12-06 04:34:58,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:58,678 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:34:58,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:34:58,698 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:34:58,699 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:35:00,986 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:35:00,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-12-06 04:35:01,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:35:01,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:35:01,117 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:35:01,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:35:01,117 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:35:01,117 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:35:01,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:35:01,118 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:35:01,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-12-06 04:35:01,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:35:01,476 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:35:01,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:35:01,498 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:35:01,499 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:35:03,707 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:35:03,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-12-06 04:35:03,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:35:03,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:35:03,742 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:35:03,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:35:03,742 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:35:03,742 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:35:03,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:35:03,744 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:35:03,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-12-06 04:35:04,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:35:04,091 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:35:04,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:35:04,113 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:35:04,114 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:35:06,347 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:35:06,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-12-06 04:35:06,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:35:06,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:35:06,386 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:35:06,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:35:06,387 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:35:06,387 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:35:06,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:35:06,388 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:35:06,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-12-06 04:35:06,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:35:06,750 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:35:06,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:35:06,769 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:35:06,770 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:35:09,012 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:35:09,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-12-06 04:35:09,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:35:09,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:35:09,156 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:35:09,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:35:09,156 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:35:09,156 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:35:09,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:35:09,158 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:35:09,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-12-06 04:35:09,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:35:09,497 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:35:09,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:35:09,517 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:35:09,518 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:35:11,784 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:35:11,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-12-06 04:35:11,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:35:11,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:35:11,819 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:35:11,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:35:11,820 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:35:11,820 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:35:11,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:35:11,821 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:35:11,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-12-06 04:35:12,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:35:12,158 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:35:12,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:35:12,180 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:35:12,181 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:35:14,728 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:35:14,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-12-06 04:35:14,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:35:14,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:35:14,740 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:35:14,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:35:14,740 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:35:14,740 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:35:14,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:35:14,742 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:35:14,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-12-06 04:35:15,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:35:15,077 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:35:15,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:35:15,099 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:35:15,100 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:35:17,316 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:35:17,319 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-12-06 04:35:17,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:35:17,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:35:17,448 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:35:17,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:35:17,448 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:35:17,448 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:35:17,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:35:17,450 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:35:17,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-12-06 04:35:17,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:35:17,784 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:35:17,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:35:17,808 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:35:17,810 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:35:20,035 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:35:20,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-12-06 04:35:20,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:35:20,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:35:20,192 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:35:20,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:35:20,193 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:35:20,193 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:35:20,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:35:20,194 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:35:20,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-12-06 04:35:20,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:35:20,533 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:35:20,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:35:20,556 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:35:20,557 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:35:23,064 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:35:23,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2024-12-06 04:35:23,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:35:23,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:35:23,076 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:35:23,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:35:23,076 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:35:23,076 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:35:23,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:35:23,078 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:35:23,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-12-06 04:35:23,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:35:23,437 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:35:23,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:35:23,461 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:35:23,463 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:35:26,079 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:35:26,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (48)] Forceful destruction successful, exit code 0 [2024-12-06 04:35:26,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:35:26,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:35:26,091 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:35:26,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:35:26,091 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:35:26,091 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:35:26,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:35:26,093 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:35:26,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-12-06 04:35:26,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:35:26,433 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:35:26,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:35:26,456 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:35:26,457 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:35:28,919 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:35:28,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2024-12-06 04:35:28,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:35:28,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:35:28,931 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:35:28,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:35:28,931 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:35:28,931 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:35:28,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:35:28,933 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:35:28,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-12-06 04:35:29,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:35:29,286 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:35:29,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:35:29,307 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:35:29,308 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:35:31,529 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:35:31,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2024-12-06 04:35:31,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:35:31,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:35:31,679 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:35:31,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:35:31,680 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:35:31,680 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:35:31,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:35:31,681 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:35:31,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-12-06 04:35:31,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:35:31,990 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:35:32,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:35:32,014 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:35:32,015 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:35:34,211 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:35:34,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2024-12-06 04:35:34,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:35:34,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:35:34,342 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:35:34,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:35:34,343 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:35:34,343 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:35:34,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:35:34,344 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:35:34,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-12-06 04:35:34,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:35:34,665 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:35:34,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:35:34,690 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:35:34,691 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:35:37,118 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:35:37,121 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (52)] Forceful destruction successful, exit code 0 [2024-12-06 04:35:37,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:35:37,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:35:37,129 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:35:37,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:35:37,130 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:35:37,130 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:35:37,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:35:37,131 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:35:37,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-12-06 04:35:37,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:35:37,445 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:35:37,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:35:37,467 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:35:37,468 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:35:39,680 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:35:39,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2024-12-06 04:35:39,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:35:39,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:35:39,833 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:35:39,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:35:39,833 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:35:39,833 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:35:39,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:35:39,835 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:35:39,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-12-06 04:35:40,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:35:40,197 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:35:40,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:35:40,220 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:35:40,221 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:35:42,568 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:35:42,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2024-12-06 04:35:42,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:35:42,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:35:42,701 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:35:42,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:35:42,701 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:35:42,701 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:35:42,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:35:42,703 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:35:42,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-12-06 04:35:43,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:35:43,013 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:35:43,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:35:43,034 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:35:43,035 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:35:45,511 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:35:45,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2024-12-06 04:35:45,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:35:45,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:35:45,523 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:35:45,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:35:45,523 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:35:45,523 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:35:45,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:35:45,525 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:35:45,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-12-06 04:35:45,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:35:45,911 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:35:45,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:35:45,935 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:35:45,936 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:35:48,303 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:35:48,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2024-12-06 04:35:48,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:35:48,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:35:48,459 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:35:48,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:35:48,459 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:35:48,459 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:35:48,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:35:48,460 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:35:48,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-12-06 04:35:48,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:35:48,828 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:35:48,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:35:48,850 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:35:48,850 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:35:51,107 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:35:51,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2024-12-06 04:35:51,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:35:51,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:35:51,140 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:35:51,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:35:51,140 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:35:51,140 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:35:51,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:35:51,142 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:35:51,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-12-06 04:35:51,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:35:51,476 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:35:51,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:35:51,496 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:35:51,497 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:35:54,005 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:35:54,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2024-12-06 04:35:54,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:35:54,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:35:54,017 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:35:54,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:35:54,018 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:35:54,018 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:35:54,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:35:54,019 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:35:54,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-12-06 04:35:54,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:35:54,348 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:35:54,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:35:54,368 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:35:54,369 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:35:56,844 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:35:56,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2024-12-06 04:35:56,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:35:56,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:35:56,859 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:35:56,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:35:56,859 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:35:56,859 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:35:56,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:35:56,861 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:35:56,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-12-06 04:35:57,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:35:57,225 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:35:57,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:35:57,246 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:35:57,246 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:35:59,750 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:35:59,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2024-12-06 04:35:59,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:35:59,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:35:59,763 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:35:59,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:35:59,763 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:35:59,763 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:35:59,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:35:59,764 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:35:59,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-12-06 04:36:00,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:36:00,095 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:36:00,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:36:00,123 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:36:00,125 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:36:02,630 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:36:02,633 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2024-12-06 04:36:02,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:36:02,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:36:02,642 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:36:02,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:36:02,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:36:02,642 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:36:02,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:36:02,644 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:36:02,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2024-12-06 04:36:02,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:36:02,978 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:36:02,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:36:03,001 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:36:03,002 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:36:05,239 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:36:05,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2024-12-06 04:36:05,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:36:05,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:36:05,381 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:36:05,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:36:05,382 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:36:05,382 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:36:05,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:36:05,384 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:36:05,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2024-12-06 04:36:05,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:36:05,758 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:36:05,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:36:05,778 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:36:05,779 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:36:08,308 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:36:08,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (63)] Forceful destruction successful, exit code 0 [2024-12-06 04:36:08,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:36:08,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:36:08,321 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:36:08,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:36:08,321 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:36:08,321 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:36:08,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:36:08,323 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:36:08,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2024-12-06 04:36:08,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:36:08,650 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:36:08,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:36:08,670 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:36:08,671 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:36:10,869 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:36:10,871 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2024-12-06 04:36:10,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:36:10,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:36:10,997 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:36:10,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:36:10,998 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:36:10,998 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:36:10,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:36:10,999 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:36:11,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2024-12-06 04:36:11,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:36:11,330 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:36:11,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:36:11,353 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:36:11,354 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:36:13,636 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:36:13,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2024-12-06 04:36:13,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:36:13,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:36:13,773 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:36:13,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:36:13,774 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:36:13,774 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:36:13,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:36:13,775 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:36:13,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2024-12-06 04:36:14,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:36:14,113 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:36:14,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:36:14,134 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:36:14,135 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:36:16,546 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:36:16,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2024-12-06 04:36:16,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:36:16,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:36:16,558 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:36:16,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:36:16,558 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:36:16,558 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:36:16,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:36:16,559 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:36:16,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2024-12-06 04:36:16,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:36:16,908 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:36:16,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:36:16,931 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:36:16,932 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:36:19,170 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:36:19,173 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (67)] Forceful destruction successful, exit code 0 [2024-12-06 04:36:19,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:36:19,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:36:19,314 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:36:19,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:36:19,314 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:36:19,314 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:36:19,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:36:19,316 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:36:19,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2024-12-06 04:36:19,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:36:19,647 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:36:19,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:36:19,667 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:36:19,668 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:36:22,126 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:36:22,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2024-12-06 04:36:22,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:36:22,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:36:22,138 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:36:22,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:36:22,139 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:36:22,139 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:36:22,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:36:22,140 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:36:22,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2024-12-06 04:36:22,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:36:22,496 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:36:22,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:36:22,517 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:36:22,517 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:36:24,722 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:36:24,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2024-12-06 04:36:24,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:36:24,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:36:24,759 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:36:24,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:36:24,759 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:36:24,759 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:36:24,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:36:24,761 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:36:24,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2024-12-06 04:36:25,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:36:25,094 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:36:25,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:36:25,116 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:36:25,117 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:36:27,637 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:36:27,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2024-12-06 04:36:27,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:36:27,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:36:27,649 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:36:27,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:36:27,649 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:36:27,649 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:36:27,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:36:27,650 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:36:27,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2024-12-06 04:36:27,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:36:27,984 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:36:28,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:36:28,007 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:36:28,008 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:36:30,517 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:36:30,520 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2024-12-06 04:36:30,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:36:30,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:36:30,529 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:36:30,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:36:30,529 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:36:30,530 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:36:30,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:36:30,531 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:36:30,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2024-12-06 04:36:30,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:36:30,899 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:36:30,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:36:30,922 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:36:30,923 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:36:33,485 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:36:33,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2024-12-06 04:36:33,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:36:33,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:36:33,497 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:36:33,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:36:33,497 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:36:33,497 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:36:33,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:36:33,499 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:36:33,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2024-12-06 04:36:33,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:36:33,832 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:36:33,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:36:33,855 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:36:33,856 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:36:36,310 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:36:36,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2024-12-06 04:36:36,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:36:36,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:36:36,321 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:36:36,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:36:36,321 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:36:36,321 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:36:36,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:36:36,323 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:36:36,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2024-12-06 04:36:36,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:36:36,656 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:36:36,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:36:36,677 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:36:36,678 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:36:39,188 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:36:39,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2024-12-06 04:36:39,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:36:39,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:36:39,200 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:36:39,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:36:39,200 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:36:39,200 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:36:39,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:36:39,202 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:36:39,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2024-12-06 04:36:39,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:36:39,543 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:36:39,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:36:39,563 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:36:39,564 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:36:41,765 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:36:41,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2024-12-06 04:36:41,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:36:41,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:36:41,925 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:36:41,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:36:41,925 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:36:41,925 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:36:41,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:36:41,927 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:36:41,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2024-12-06 04:36:42,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:36:42,256 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:36:42,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:36:42,278 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:36:42,279 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:36:44,828 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:36:44,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2024-12-06 04:36:44,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:36:44,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:36:44,840 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:36:44,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:36:44,840 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:36:44,840 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:36:44,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:36:44,841 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:36:44,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2024-12-06 04:36:45,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:36:45,175 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:36:45,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:36:45,197 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:36:45,198 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:36:47,438 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:36:47,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2024-12-06 04:36:47,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:36:47,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:36:47,573 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:36:47,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:36:47,573 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:36:47,573 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:36:47,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:36:47,575 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:36:47,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2024-12-06 04:36:47,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:36:47,906 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:36:47,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:36:47,929 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:36:47,930 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:36:50,402 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:36:50,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2024-12-06 04:36:50,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:36:50,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:36:50,415 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:36:50,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:36:50,415 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:36:50,415 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:36:50,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:36:50,417 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:36:50,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2024-12-06 04:36:50,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:36:50,740 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:36:50,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:36:50,761 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:36:50,762 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:36:52,984 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:36:52,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (79)] Forceful destruction successful, exit code 0 [2024-12-06 04:36:53,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:36:53,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:36:53,022 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:36:53,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:36:53,022 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:36:53,022 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:36:53,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:36:53,024 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:36:53,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2024-12-06 04:36:53,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:36:53,379 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:36:53,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:36:53,400 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:36:53,401 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:36:55,608 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:36:55,611 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (80)] Forceful destruction successful, exit code 0 [2024-12-06 04:36:55,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:36:55,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:36:55,757 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:36:55,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:36:55,757 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:36:55,757 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:36:55,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:36:55,759 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:36:55,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2024-12-06 04:36:56,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:36:56,092 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:36:56,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:36:56,113 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:36:56,114 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:36:58,571 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:36:58,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2024-12-06 04:36:58,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:36:58,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:36:58,582 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:36:58,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:36:58,582 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:36:58,582 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:36:58,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:36:58,583 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:36:58,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2024-12-06 04:36:58,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:36:58,910 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:36:58,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:36:58,931 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:36:58,932 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:37:01,435 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:37:01,438 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2024-12-06 04:37:01,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:37:01,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:37:01,448 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:37:01,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:37:01,448 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:37:01,448 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:37:01,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:37:01,449 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:37:01,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2024-12-06 04:37:01,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:37:01,782 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:37:01,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:37:01,806 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:37:01,806 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:37:04,335 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:37:04,338 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (83)] Forceful destruction successful, exit code 0 [2024-12-06 04:37:04,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:37:04,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:37:04,346 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:37:04,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:37:04,347 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:37:04,347 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:37:04,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:37:04,348 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:37:04,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2024-12-06 04:37:04,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:37:04,673 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:37:04,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:37:04,695 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:37:04,696 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:37:07,130 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:37:07,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2024-12-06 04:37:07,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:37:07,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:37:07,142 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:37:07,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:37:07,143 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:37:07,143 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:37:07,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:37:07,144 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:37:07,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2024-12-06 04:37:07,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:37:07,473 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:37:07,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:37:07,493 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:37:07,494 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:37:09,910 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:37:09,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2024-12-06 04:37:09,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:37:09,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:37:09,921 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:37:09,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:37:09,921 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:37:09,921 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:37:09,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:37:09,922 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:37:09,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2024-12-06 04:37:10,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:37:10,264 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:37:10,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:37:10,285 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:37:10,285 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:37:12,511 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:37:12,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (86)] Forceful destruction successful, exit code 0 [2024-12-06 04:37:12,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:37:12,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:37:12,640 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:37:12,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:37:12,641 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:37:12,641 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:37:12,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:37:12,642 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:37:12,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2024-12-06 04:37:12,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:37:12,968 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:37:12,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:37:12,991 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:37:12,991 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:37:15,500 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:37:15,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2024-12-06 04:37:15,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:37:15,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:37:15,515 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:37:15,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:37:15,515 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:37:15,515 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:37:15,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:37:15,517 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:37:15,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2024-12-06 04:37:15,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:37:15,858 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:37:15,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:37:15,878 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:37:15,879 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:37:18,398 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:37:18,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (88)] Forceful destruction successful, exit code 0 [2024-12-06 04:37:18,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:37:18,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:37:18,411 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:37:18,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:37:18,411 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:37:18,411 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:37:18,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:37:18,413 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:37:18,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2024-12-06 04:37:18,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:37:18,746 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:37:18,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:37:18,770 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:37:18,771 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:37:21,276 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:37:21,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2024-12-06 04:37:21,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:37:21,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:37:21,287 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:37:21,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:37:21,287 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:37:21,287 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:37:21,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:37:21,288 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:37:21,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2024-12-06 04:37:21,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:37:21,639 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:37:21,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:37:21,665 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:37:21,666 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:37:24,160 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:37:24,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2024-12-06 04:37:24,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:37:24,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:37:24,172 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:37:24,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:37:24,172 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:37:24,172 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:37:24,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:37:24,173 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:37:24,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2024-12-06 04:37:24,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:37:24,505 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:37:24,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:37:24,526 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:37:24,526 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:37:26,950 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:37:26,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2024-12-06 04:37:26,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:37:26,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:37:26,962 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:37:26,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:37:26,963 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:37:26,963 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:37:26,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:37:26,964 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:37:26,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2024-12-06 04:37:27,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:37:27,288 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:37:27,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:37:27,308 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:37:27,309 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:37:29,762 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:37:29,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2024-12-06 04:37:29,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:37:29,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:37:29,779 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:37:29,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:37:29,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:37:29,779 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:37:29,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:37:29,780 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:37:29,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2024-12-06 04:37:30,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:37:30,119 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:37:30,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:37:30,139 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:37:30,140 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:37:32,299 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:37:32,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2024-12-06 04:37:32,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:37:32,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:37:32,464 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:37:32,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:37:32,465 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:37:32,465 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:37:32,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:37:32,466 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:37:32,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2024-12-06 04:37:32,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:37:32,804 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:37:32,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:37:32,827 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:37:32,828 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:37:35,308 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:37:35,311 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2024-12-06 04:37:35,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:37:35,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:37:35,320 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:37:35,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:37:35,320 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:37:35,320 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:37:35,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:37:35,321 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:37:35,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2024-12-06 04:37:35,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:37:35,651 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:37:35,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:37:35,672 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:37:35,673 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:37:38,228 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:37:38,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2024-12-06 04:37:38,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:37:38,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:37:38,240 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:37:38,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:37:38,240 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:37:38,240 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:37:38,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:37:38,242 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:37:38,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2024-12-06 04:37:38,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:37:38,576 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:37:38,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:37:38,598 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:37:38,599 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:37:41,021 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:37:41,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2024-12-06 04:37:41,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:37:41,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:37:41,033 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:37:41,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:37:41,033 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:37:41,033 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:37:41,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:37:41,035 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:37:41,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2024-12-06 04:37:41,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:37:41,365 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:37:41,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:37:41,388 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:37:41,389 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:37:43,853 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:37:43,857 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2024-12-06 04:37:43,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:37:43,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:37:43,870 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:37:43,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:37:43,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:37:43,870 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:37:43,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:37:43,872 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:37:43,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2024-12-06 04:37:44,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:37:44,221 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:37:44,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:37:44,245 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:37:44,245 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:37:46,429 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:37:46,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (98)] Forceful destruction successful, exit code 0 [2024-12-06 04:37:46,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:37:46,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:37:46,454 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:37:46,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:37:46,455 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:37:46,455 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:37:46,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:37:46,456 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:37:46,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2024-12-06 04:37:46,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:37:46,778 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:37:46,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:37:46,801 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:37:46,802 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:37:49,254 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:37:49,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2024-12-06 04:37:49,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:37:49,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:37:49,266 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:37:49,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:37:49,267 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:37:49,267 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:37:49,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:37:49,268 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:37:49,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2024-12-06 04:37:49,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:37:49,599 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:37:49,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:37:49,620 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:37:49,621 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:37:51,797 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:37:51,800 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2024-12-06 04:37:51,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:37:51,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:37:51,940 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:37:51,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:37:51,940 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:37:51,940 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:37:51,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:37:51,942 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:37:51,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2024-12-06 04:37:52,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:37:52,274 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:37:52,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:37:52,300 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:37:52,301 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:37:54,784 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:37:54,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2024-12-06 04:37:54,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:37:54,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:37:54,795 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:37:54,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:37:54,795 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:37:54,795 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:37:54,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:37:54,796 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:37:54,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2024-12-06 04:37:55,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:37:55,128 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:37:55,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:37:55,153 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:37:55,155 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:37:57,359 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:37:57,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2024-12-06 04:37:57,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:37:57,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:37:57,383 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:37:57,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:37:57,383 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:37:57,383 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:37:57,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:37:57,384 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:37:57,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2024-12-06 04:37:57,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:37:57,744 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:37:57,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:37:57,770 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:37:57,771 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:38:00,251 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:38:00,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2024-12-06 04:38:00,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:38:00,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:38:00,262 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:38:00,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:38:00,262 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:38:00,262 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:38:00,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:38:00,263 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:38:00,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2024-12-06 04:38:00,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:38:00,599 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:38:00,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:38:00,621 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:38:00,623 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:38:03,141 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:38:03,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2024-12-06 04:38:03,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:38:03,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:38:03,153 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:38:03,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:38:03,153 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:38:03,153 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:38:03,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:38:03,154 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:38:03,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2024-12-06 04:38:03,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:38:03,483 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:38:03,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:38:03,507 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:38:03,508 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:38:05,997 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:38:05,999 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (105)] Forceful destruction successful, exit code 0 [2024-12-06 04:38:06,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:38:06,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:38:06,008 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:38:06,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:38:06,009 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:38:06,009 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:38:06,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:38:06,010 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:38:06,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2024-12-06 04:38:06,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:38:06,343 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:38:06,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:38:06,368 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:38:06,369 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:38:08,554 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:38:08,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2024-12-06 04:38:08,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:38:08,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:38:08,677 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:38:08,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:38:08,678 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:38:08,678 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:38:08,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:38:08,679 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:38:08,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2024-12-06 04:38:09,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:38:09,003 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:38:09,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:38:09,027 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:38:09,027 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:38:11,464 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:38:11,467 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2024-12-06 04:38:11,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:38:11,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:38:11,475 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:38:11,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:38:11,475 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:38:11,476 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:38:11,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:38:11,477 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:38:11,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2024-12-06 04:38:11,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:38:11,818 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:38:11,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:38:11,840 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:38:11,841 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:38:14,315 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:38:14,318 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2024-12-06 04:38:14,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:38:14,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:38:14,328 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:38:14,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:38:14,328 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:38:14,328 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:38:14,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:38:14,329 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:38:14,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2024-12-06 04:38:14,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:38:14,658 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:38:14,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:38:14,681 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:38:14,682 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:38:17,216 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:38:17,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2024-12-06 04:38:17,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:38:17,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:38:17,227 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:38:17,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:38:17,227 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:38:17,227 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:38:17,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:38:17,229 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:38:17,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2024-12-06 04:38:17,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:38:17,590 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:38:17,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:38:17,611 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:38:17,612 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:38:19,802 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:38:19,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2024-12-06 04:38:19,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:38:19,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:38:19,944 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:38:19,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:38:19,945 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:38:19,945 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:38:19,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:38:19,947 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:38:19,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2024-12-06 04:38:20,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:38:20,294 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:38:20,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:38:20,318 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:38:20,319 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:38:22,577 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:38:22,580 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2024-12-06 04:38:22,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:38:22,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:38:22,725 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:38:22,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:38:22,725 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:38:22,725 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:38:22,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:38:22,727 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:38:22,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2024-12-06 04:38:23,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:38:23,048 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:38:23,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:38:23,072 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:38:23,073 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:38:25,303 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:38:25,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2024-12-06 04:38:25,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:38:25,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:38:25,466 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:38:25,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:38:25,466 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:38:25,466 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:38:25,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:38:25,468 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:38:25,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2024-12-06 04:38:25,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:38:25,804 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:38:25,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:38:25,827 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:38:25,828 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:38:28,012 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:38:28,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2024-12-06 04:38:28,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:38:28,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:38:28,147 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:38:28,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:38:28,147 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:38:28,147 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:38:28,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:38:28,148 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:38:28,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2024-12-06 04:38:28,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:38:28,479 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:38:28,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:38:28,500 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:38:28,501 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:38:30,940 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:38:30,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2024-12-06 04:38:30,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:38:30,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:38:30,950 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:38:30,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:38:30,951 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:38:30,951 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:38:30,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:38:30,952 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:38:30,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2024-12-06 04:38:31,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:38:31,278 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:38:31,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:38:31,299 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:38:31,300 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:38:33,513 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:38:33,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (115)] Ended with exit code 0 [2024-12-06 04:38:33,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:38:33,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:38:33,645 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:38:33,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:38:33,645 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:38:33,645 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:38:33,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:38:33,647 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:38:33,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2024-12-06 04:38:33,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:38:33,974 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:38:33,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:38:33,999 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:38:33,999 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:38:36,490 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:38:36,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2024-12-06 04:38:36,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:38:36,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:38:36,502 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:38:36,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:38:36,502 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:38:36,502 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:38:36,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:38:36,504 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:38:36,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2024-12-06 04:38:36,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:38:36,824 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:38:36,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:38:36,847 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:38:36,848 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:38:39,060 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:38:39,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (117)] Ended with exit code 0 [2024-12-06 04:38:39,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:38:39,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:38:39,092 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:38:39,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:38:39,093 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:38:39,093 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:38:39,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:38:39,094 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:38:39,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2024-12-06 04:38:39,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:38:39,416 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:38:39,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:38:39,440 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:38:39,441 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:38:41,635 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:38:41,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2024-12-06 04:38:41,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:38:41,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:38:41,789 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:38:41,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:38:41,789 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:38:41,789 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:38:41,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:38:41,790 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:38:41,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2024-12-06 04:38:42,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:38:42,132 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:38:42,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:38:42,154 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:38:42,155 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:38:44,383 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:38:44,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (119)] Ended with exit code 0 [2024-12-06 04:38:44,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:38:44,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:38:44,413 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:38:44,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:38:44,413 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:38:44,413 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:38:44,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:38:44,414 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:38:44,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2024-12-06 04:38:44,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:38:44,747 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:38:44,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:38:44,769 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:38:44,770 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:38:46,979 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:38:46,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (120)] Ended with exit code 0 [2024-12-06 04:38:47,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:38:47,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:38:47,101 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:38:47,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:38:47,102 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:38:47,102 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:38:47,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:38:47,103 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:38:47,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2024-12-06 04:38:47,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:38:47,437 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:38:47,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:38:47,458 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:38:47,459 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:38:49,894 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:38:49,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (121)] Ended with exit code 0 [2024-12-06 04:38:49,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:38:49,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:38:49,906 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:38:49,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:38:49,906 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:38:49,906 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:38:49,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:38:49,908 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:38:49,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2024-12-06 04:38:50,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:38:50,239 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:38:50,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:38:50,263 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:38:50,264 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:38:52,484 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:38:52,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (122)] Forceful destruction successful, exit code 0 [2024-12-06 04:38:52,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:38:52,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:38:52,516 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:38:52,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:38:52,516 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:38:52,516 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:38:52,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:38:52,517 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:38:52,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2024-12-06 04:38:52,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:38:52,852 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:38:52,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:38:52,875 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:38:52,876 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:38:55,349 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:38:55,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (123)] Ended with exit code 0 [2024-12-06 04:38:55,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:38:55,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:38:55,361 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:38:55,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:38:55,361 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:38:55,361 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:38:55,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:38:55,362 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:38:55,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2024-12-06 04:38:55,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:38:55,697 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:38:55,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:38:55,721 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:38:55,721 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:38:57,949 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:38:57,952 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2024-12-06 04:38:58,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:38:58,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:38:58,082 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:38:58,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:38:58,082 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:38:58,082 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:38:58,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:38:58,084 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:38:58,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2024-12-06 04:38:58,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:38:58,408 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:38:58,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:38:58,430 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:38:58,431 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:39:00,638 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:39:00,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (125)] Ended with exit code 0 [2024-12-06 04:39:00,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:39:00,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:39:00,801 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:39:00,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:39:00,801 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:39:00,801 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:39:00,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:39:00,803 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:39:00,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2024-12-06 04:39:01,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:39:01,129 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:39:01,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:39:01,153 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:39:01,153 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:39:03,438 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:39:03,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (126)] Forceful destruction successful, exit code 0 [2024-12-06 04:39:03,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:39:03,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:39:03,592 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:39:03,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:39:03,592 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:39:03,592 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:39:03,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:39:03,593 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:39:03,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2024-12-06 04:39:03,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:39:03,933 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:39:03,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:39:03,960 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:39:03,962 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:39:06,192 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:39:06,195 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (127)] Ended with exit code 0 [2024-12-06 04:39:06,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:39:06,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:39:06,348 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:39:06,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:39:06,348 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:39:06,348 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:39:06,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:39:06,350 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:39:06,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2024-12-06 04:39:06,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:39:06,679 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:39:06,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:39:06,701 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:39:06,702 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:39:09,130 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:39:09,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (128)] Ended with exit code 0 [2024-12-06 04:39:09,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:39:09,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:39:09,140 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:39:09,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:39:09,141 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:39:09,141 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:39:09,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:39:09,142 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:39:09,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2024-12-06 04:39:09,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:39:09,470 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:39:09,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:39:09,494 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:39:09,495 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:39:12,004 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:39:12,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (129)] Forceful destruction successful, exit code 0 [2024-12-06 04:39:12,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:39:12,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:39:12,015 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:39:12,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:39:12,015 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:39:12,015 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:39:12,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:39:12,017 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:39:12,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2024-12-06 04:39:12,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:39:12,339 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:39:12,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:39:12,362 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:39:12,363 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:39:14,558 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:39:14,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (130)] Forceful destruction successful, exit code 0 [2024-12-06 04:39:14,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:39:14,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:39:14,678 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:39:14,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:39:14,679 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:39:14,679 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:39:14,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:39:14,680 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:39:14,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2024-12-06 04:39:15,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:39:15,005 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:39:15,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:39:15,026 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:39:15,027 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:39:17,482 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:39:17,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (131)] Ended with exit code 0 [2024-12-06 04:39:17,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:39:17,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:39:17,492 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:39:17,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:39:17,493 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:39:17,493 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:39:17,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:39:17,494 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:39:17,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2024-12-06 04:39:17,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:39:17,820 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:39:17,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:39:17,841 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:39:17,842 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:39:20,289 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:39:20,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (132)] Forceful destruction successful, exit code 0 [2024-12-06 04:39:20,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:39:20,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:39:20,300 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:39:20,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:39:20,301 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:39:20,301 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:39:20,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:39:20,302 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:39:20,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2024-12-06 04:39:20,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:39:20,636 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:39:20,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:39:20,660 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:39:20,661 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:39:22,863 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:39:22,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (133)] Ended with exit code 0 [2024-12-06 04:39:23,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:39:23,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:39:23,011 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:39:23,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:39:23,011 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:39:23,012 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:39:23,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:39:23,013 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:39:23,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2024-12-06 04:39:23,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:39:23,335 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:39:23,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:39:23,360 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:39:23,361 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:39:25,883 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:39:25,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2024-12-06 04:39:25,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:39:25,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:39:25,893 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:39:25,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:39:25,894 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:39:25,894 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:39:25,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:39:25,895 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:39:25,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2024-12-06 04:39:26,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:39:26,217 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:39:26,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:39:26,239 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:39:26,240 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:39:28,798 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:39:28,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (135)] Ended with exit code 0 [2024-12-06 04:39:28,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:39:28,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:39:28,808 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:39:28,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:39:28,809 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:39:28,809 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:39:28,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:39:28,810 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:39:28,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2024-12-06 04:39:29,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:39:29,144 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:39:29,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:39:29,166 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:39:29,167 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:39:31,649 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:39:31,652 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (136)] Ended with exit code 0 [2024-12-06 04:39:31,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:39:31,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:39:31,661 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:39:31,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:39:31,661 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:39:31,661 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:39:31,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:39:31,663 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:39:31,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2024-12-06 04:39:32,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:39:32,000 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:39:32,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:39:32,022 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:39:32,023 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:39:34,526 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:39:34,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (137)] Ended with exit code 0 [2024-12-06 04:39:34,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:39:34,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:39:34,537 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:39:34,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:39:34,538 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:39:34,538 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:39:34,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:39:34,539 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:39:34,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2024-12-06 04:39:34,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:39:34,867 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:39:34,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:39:34,890 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:39:34,891 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:39:37,334 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:39:37,337 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (138)] Ended with exit code 0 [2024-12-06 04:39:37,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:39:37,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:39:37,346 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:39:37,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:39:37,346 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:39:37,346 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:39:37,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:39:37,347 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:39:37,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process [2024-12-06 04:39:37,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:39:37,673 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:39:37,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:39:37,696 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:39:37,697 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:39:40,182 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:39:40,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (139)] Ended with exit code 0 [2024-12-06 04:39:40,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:39:40,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:39:40,194 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:39:40,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:39:40,194 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:39:40,194 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:39:40,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:39:40,196 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:39:40,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2024-12-06 04:39:40,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:39:40,520 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:39:40,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:39:40,547 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:39:40,548 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:39:43,015 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:39:43,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (140)] Ended with exit code 0 [2024-12-06 04:39:43,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:39:43,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:39:43,028 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:39:43,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:39:43,028 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:39:43,028 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:39:43,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:39:43,030 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:39:43,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (141)] Waiting until timeout for monitored process [2024-12-06 04:39:43,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:39:43,363 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:39:43,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:39:43,388 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:39:43,389 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:39:45,919 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:39:45,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (141)] Ended with exit code 0 [2024-12-06 04:39:45,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:39:45,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:39:45,933 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:39:45,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:39:45,933 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:39:45,933 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:39:45,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:39:45,935 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:39:45,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2024-12-06 04:39:46,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:39:46,263 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:39:46,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:39:46,287 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:39:46,288 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:39:48,707 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:39:48,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (142)] Ended with exit code 0 [2024-12-06 04:39:48,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:39:48,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:39:48,718 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:39:48,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:39:48,718 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:39:48,718 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:39:48,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:39:48,720 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:39:48,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (143)] Waiting until timeout for monitored process [2024-12-06 04:39:49,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:39:49,053 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:39:49,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:39:49,077 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:39:49,078 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:39:51,254 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:39:51,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (143)] Ended with exit code 0 [2024-12-06 04:39:51,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:39:51,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:39:51,415 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:39:51,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:39:51,415 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:39:51,415 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:39:51,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:39:51,416 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:39:51,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2024-12-06 04:39:51,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:39:51,746 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:39:51,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:39:51,771 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:39:51,771 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:39:54,273 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:39:54,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (144)] Ended with exit code 0 [2024-12-06 04:39:54,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:39:54,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:39:54,285 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:39:54,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:39:54,285 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:39:54,285 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:39:54,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:39:54,286 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:39:54,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (145)] Waiting until timeout for monitored process [2024-12-06 04:39:54,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:39:54,615 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:39:54,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:39:54,638 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:39:54,639 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:39:57,088 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:39:57,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (145)] Ended with exit code 0 [2024-12-06 04:39:57,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:39:57,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:39:57,099 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:39:57,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:39:57,099 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:39:57,099 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:39:57,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:39:57,100 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:39:57,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2024-12-06 04:39:57,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:39:57,421 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:39:57,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:39:57,444 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:39:57,445 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:39:59,650 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:39:59,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (146)] Ended with exit code 0 [2024-12-06 04:39:59,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:39:59,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:39:59,787 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:39:59,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:39:59,787 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:39:59,787 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:39:59,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:39:59,789 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:39:59,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (147)] Waiting until timeout for monitored process [2024-12-06 04:40:00,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:00,116 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:00,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:00,139 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:40:00,140 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:02,301 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:40:02,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (147)] Ended with exit code 0 [2024-12-06 04:40:02,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:02,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:40:02,437 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:40:02,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:40:02,437 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:02,437 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:02,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:02,438 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:02,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process [2024-12-06 04:40:02,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:02,777 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:02,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:02,800 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:40:02,801 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:05,279 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:40:05,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (148)] Ended with exit code 0 [2024-12-06 04:40:05,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:05,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:40:05,291 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:40:05,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:40:05,292 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:05,292 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:05,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:05,293 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:05,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (149)] Waiting until timeout for monitored process [2024-12-06 04:40:05,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:05,623 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:05,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:05,646 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:40:05,646 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:08,175 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:40:08,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (149)] Ended with exit code 0 [2024-12-06 04:40:08,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:08,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:40:08,187 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:40:08,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:40:08,187 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:08,187 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:08,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:08,188 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:08,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (150)] Waiting until timeout for monitored process [2024-12-06 04:40:08,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:08,513 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:08,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:08,537 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:40:08,538 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:11,029 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:40:11,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (150)] Ended with exit code 0 [2024-12-06 04:40:11,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:11,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:40:11,039 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:40:11,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:40:11,039 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:11,039 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:11,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:11,041 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:11,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (151)] Waiting until timeout for monitored process [2024-12-06 04:40:11,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:11,364 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:11,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:11,385 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:40:11,386 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:13,881 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:40:13,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (151)] Ended with exit code 0 [2024-12-06 04:40:13,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:13,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:40:13,893 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:40:13,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:40:13,893 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:13,893 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:13,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:13,895 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:13,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (152)] Waiting until timeout for monitored process [2024-12-06 04:40:14,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:14,232 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:14,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:14,257 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:40:14,258 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:16,422 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:40:16,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (152)] Ended with exit code 0 [2024-12-06 04:40:16,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:16,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:40:16,444 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:40:16,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:40:16,444 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:16,444 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:16,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:16,446 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:16,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (153)] Waiting until timeout for monitored process [2024-12-06 04:40:16,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:16,778 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:16,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:16,803 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:40:16,804 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:19,028 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:40:19,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (153)] Ended with exit code 0 [2024-12-06 04:40:19,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:19,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:40:19,152 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:40:19,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:40:19,153 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:19,153 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:19,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:19,154 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:19,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (154)] Waiting until timeout for monitored process [2024-12-06 04:40:19,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:19,477 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:19,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:19,500 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:40:19,500 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:21,941 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:40:21,944 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (154)] Ended with exit code 0 [2024-12-06 04:40:21,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:21,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:40:21,957 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:40:21,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:40:21,958 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:21,958 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:21,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:21,959 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:21,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (155)] Waiting until timeout for monitored process [2024-12-06 04:40:22,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:22,287 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:22,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:22,310 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:40:22,311 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:24,865 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:40:24,868 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (155)] Ended with exit code 0 [2024-12-06 04:40:24,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:24,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:40:24,877 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:40:24,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:40:24,878 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:24,878 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:24,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:24,879 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:24,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (156)] Waiting until timeout for monitored process [2024-12-06 04:40:25,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:25,209 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:25,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:25,234 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:40:25,235 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:27,735 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:40:27,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (156)] Ended with exit code 0 [2024-12-06 04:40:27,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:27,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:40:27,746 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:40:27,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:40:27,747 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:27,747 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:27,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:27,748 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:27,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (157)] Waiting until timeout for monitored process [2024-12-06 04:40:28,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:28,076 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:28,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:28,101 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:40:28,102 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:30,540 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:40:30,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (157)] Ended with exit code 0 [2024-12-06 04:40:30,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:30,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:40:30,551 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:40:30,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:40:30,551 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:30,551 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:30,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:30,553 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:30,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (158)] Waiting until timeout for monitored process [2024-12-06 04:40:30,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:30,891 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:30,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:30,919 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:40:30,919 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:33,176 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:40:33,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (158)] Ended with exit code 0 [2024-12-06 04:40:33,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:33,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:40:33,203 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:40:33,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:40:33,203 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:33,203 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:33,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:33,204 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:33,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (159)] Waiting until timeout for monitored process [2024-12-06 04:40:33,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:33,532 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:33,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:33,557 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:40:33,558 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:36,070 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:40:36,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (159)] Ended with exit code 0 [2024-12-06 04:40:36,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:36,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:40:36,083 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:40:36,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:40:36,083 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:36,083 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:36,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:36,084 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:36,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (160)] Waiting until timeout for monitored process [2024-12-06 04:40:36,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:36,408 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:36,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:36,434 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:40:36,435 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:38,607 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:40:38,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (160)] Ended with exit code 0 [2024-12-06 04:40:38,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:38,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:40:38,634 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:40:38,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:40:38,634 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:38,634 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:38,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:38,636 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:38,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (161)] Waiting until timeout for monitored process [2024-12-06 04:40:38,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:38,973 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:38,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:39,000 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:40:39,001 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:41,220 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:40:41,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (161)] Ended with exit code 0 [2024-12-06 04:40:41,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:41,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:40:41,353 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:40:41,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:40:41,353 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:41,353 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:41,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:41,354 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:41,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (162)] Waiting until timeout for monitored process [2024-12-06 04:40:41,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:41,687 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:41,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:41,712 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:40:41,712 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:43,902 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:40:43,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (162)] Ended with exit code 0 [2024-12-06 04:40:44,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:44,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:40:44,046 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:40:44,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:40:44,046 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:44,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:44,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:44,047 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:44,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (163)] Waiting until timeout for monitored process [2024-12-06 04:40:44,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:44,380 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:44,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:44,403 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:40:44,404 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:46,644 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:40:46,647 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (163)] Ended with exit code 0 [2024-12-06 04:40:46,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:46,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:40:46,669 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:40:46,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:40:46,669 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:46,669 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:46,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:46,670 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:46,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (164)] Waiting until timeout for monitored process [2024-12-06 04:40:47,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:47,075 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:47,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:47,104 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:40:47,105 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:49,869 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:40:49,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (164)] Ended with exit code 0 [2024-12-06 04:40:49,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:49,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:40:49,881 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:40:49,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:40:49,881 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:49,881 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:49,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:49,883 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:49,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (165)] Waiting until timeout for monitored process [2024-12-06 04:40:50,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:50,207 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:50,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:50,232 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:40:50,232 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:52,798 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:40:52,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (165)] Ended with exit code 0 [2024-12-06 04:40:52,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:52,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:40:52,810 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:40:52,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:40:52,810 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:52,810 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:52,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:52,812 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:52,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (166)] Waiting until timeout for monitored process [2024-12-06 04:40:53,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:53,190 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:53,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:53,215 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:40:53,216 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:55,903 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:40:55,906 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (166)] Forceful destruction successful, exit code 0 [2024-12-06 04:40:55,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:55,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:40:55,914 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:40:55,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:40:55,914 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:55,914 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:55,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:55,915 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:55,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (167)] Waiting until timeout for monitored process [2024-12-06 04:40:56,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:56,356 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:56,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:56,380 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:40:56,381 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:58,628 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:40:58,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (167)] Ended with exit code 0 [2024-12-06 04:40:58,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:58,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:40:58,767 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:40:58,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:40:58,767 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:58,767 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:58,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:58,768 INFO L229 MonitoredProcess]: Starting monitored process 168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:58,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (168)] Waiting until timeout for monitored process [2024-12-06 04:40:59,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:59,100 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:59,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:59,130 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:40:59,130 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:01,510 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:41:01,513 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (168)] Forceful destruction successful, exit code 0 [2024-12-06 04:41:01,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:01,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:41:01,660 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:41:01,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:41:01,660 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:01,660 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:01,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:01,662 INFO L229 MonitoredProcess]: Starting monitored process 169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:01,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (169)] Waiting until timeout for monitored process [2024-12-06 04:41:02,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:02,016 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:02,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:02,042 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:41:02,042 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:04,595 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:41:04,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (169)] Forceful destruction successful, exit code 0 [2024-12-06 04:41:04,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:04,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:41:04,608 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:41:04,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:41:04,608 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:04,608 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:04,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:04,609 INFO L229 MonitoredProcess]: Starting monitored process 170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:04,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (170)] Waiting until timeout for monitored process [2024-12-06 04:41:04,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:04,933 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:04,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:04,958 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:41:04,959 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:07,459 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:41:07,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (170)] Ended with exit code 0 [2024-12-06 04:41:07,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:07,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:41:07,472 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:41:07,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:41:07,473 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:07,473 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:07,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:07,474 INFO L229 MonitoredProcess]: Starting monitored process 171 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:07,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (171)] Waiting until timeout for monitored process [2024-12-06 04:41:07,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:07,806 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:07,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:07,831 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:41:07,832 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:10,097 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:41:10,099 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (171)] Ended with exit code 0 [2024-12-06 04:41:10,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:10,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:41:10,121 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:41:10,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:41:10,121 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:10,121 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:10,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:10,123 INFO L229 MonitoredProcess]: Starting monitored process 172 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:10,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (172)] Waiting until timeout for monitored process [2024-12-06 04:41:10,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:10,512 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:10,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:10,535 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:41:10,535 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:12,707 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:41:12,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (172)] Ended with exit code 0 [2024-12-06 04:41:12,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:12,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:41:12,733 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:41:12,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:41:12,733 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:12,733 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:12,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:12,734 INFO L229 MonitoredProcess]: Starting monitored process 173 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:12,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (173)] Waiting until timeout for monitored process [2024-12-06 04:41:13,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:13,077 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:13,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:13,103 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:41:13,104 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:15,377 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:41:15,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (173)] Ended with exit code 0 [2024-12-06 04:41:15,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:15,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:41:15,539 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:41:15,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:41:15,540 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:15,540 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:15,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:15,541 INFO L229 MonitoredProcess]: Starting monitored process 174 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:15,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (174)] Waiting until timeout for monitored process [2024-12-06 04:41:15,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:15,876 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:15,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:15,903 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:41:15,903 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:18,039 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:41:18,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (174)] Ended with exit code 0 [2024-12-06 04:41:18,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:18,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:41:18,070 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:41:18,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:41:18,071 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:18,071 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:18,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:18,072 INFO L229 MonitoredProcess]: Starting monitored process 175 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:18,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (175)] Waiting until timeout for monitored process [2024-12-06 04:41:18,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:18,403 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:18,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:18,427 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:41:18,427 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:20,894 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:41:20,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (175)] Ended with exit code 0 [2024-12-06 04:41:20,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:20,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:41:20,905 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:41:20,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:41:20,906 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:20,906 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:20,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:20,907 INFO L229 MonitoredProcess]: Starting monitored process 176 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:20,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (176)] Waiting until timeout for monitored process [2024-12-06 04:41:21,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:21,231 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:21,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:21,256 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:41:21,257 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:23,831 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:41:23,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (176)] Ended with exit code 0 [2024-12-06 04:41:23,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:23,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:41:23,843 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:41:23,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:41:23,844 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:23,844 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:23,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:23,845 INFO L229 MonitoredProcess]: Starting monitored process 177 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:23,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (177)] Waiting until timeout for monitored process [2024-12-06 04:41:24,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:24,177 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:24,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:24,200 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:41:24,201 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:26,494 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:41:26,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (177)] Ended with exit code 0 [2024-12-06 04:41:26,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:26,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:41:26,528 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:41:26,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:41:26,528 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:26,528 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:26,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:26,530 INFO L229 MonitoredProcess]: Starting monitored process 178 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:26,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (178)] Waiting until timeout for monitored process [2024-12-06 04:41:26,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:26,863 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:26,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:26,887 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:41:26,887 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:29,332 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:41:29,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (178)] Ended with exit code 0 [2024-12-06 04:41:29,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:29,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:41:29,345 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:41:29,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:41:29,345 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:29,345 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:29,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:29,347 INFO L229 MonitoredProcess]: Starting monitored process 179 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:29,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (179)] Waiting until timeout for monitored process [2024-12-06 04:41:29,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:29,677 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:29,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:29,709 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:41:29,709 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:32,000 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:41:32,003 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (179)] Ended with exit code 0 [2024-12-06 04:41:32,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:32,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:41:32,156 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:41:32,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:41:32,156 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:32,156 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:32,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:32,157 INFO L229 MonitoredProcess]: Starting monitored process 180 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:32,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (180)] Waiting until timeout for monitored process [2024-12-06 04:41:32,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:32,481 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:32,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:32,505 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:41:32,506 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:34,770 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:41:34,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (180)] Ended with exit code 0 [2024-12-06 04:41:34,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:34,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:41:34,931 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:41:34,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:41:34,931 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:34,932 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:34,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:34,933 INFO L229 MonitoredProcess]: Starting monitored process 181 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:34,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (181)] Waiting until timeout for monitored process [2024-12-06 04:41:35,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:35,265 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:35,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:35,295 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:41:35,296 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:37,550 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:41:37,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (181)] Ended with exit code 0 [2024-12-06 04:41:37,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:37,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:41:37,680 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:41:37,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:41:37,681 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:37,681 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:37,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:37,682 INFO L229 MonitoredProcess]: Starting monitored process 182 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:37,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (182)] Waiting until timeout for monitored process [2024-12-06 04:41:38,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:38,013 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:38,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:38,040 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:41:38,040 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:40,680 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:41:40,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (182)] Ended with exit code 0 [2024-12-06 04:41:40,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:40,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:41:40,693 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:41:40,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:41:40,693 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:40,693 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:40,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:40,694 INFO L229 MonitoredProcess]: Starting monitored process 183 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:40,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (183)] Waiting until timeout for monitored process [2024-12-06 04:41:41,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:41,017 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:41,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:41,041 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:41:41,041 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:43,515 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:41:43,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (183)] Ended with exit code 0 [2024-12-06 04:41:43,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:43,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:41:43,526 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:41:43,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:41:43,526 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:43,526 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:43,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:43,528 INFO L229 MonitoredProcess]: Starting monitored process 184 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:43,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (184)] Waiting until timeout for monitored process [2024-12-06 04:41:43,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:43,855 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:43,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:43,880 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:41:43,881 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:46,443 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:41:46,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (184)] Ended with exit code 0 [2024-12-06 04:41:46,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:46,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:41:46,454 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:41:46,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:41:46,455 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:46,455 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:46,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:46,456 INFO L229 MonitoredProcess]: Starting monitored process 185 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:46,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (185)] Waiting until timeout for monitored process [2024-12-06 04:41:46,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:46,791 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:46,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:46,816 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:41:46,816 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:49,360 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:41:49,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (185)] Ended with exit code 0 [2024-12-06 04:41:49,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:49,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:41:49,370 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:41:49,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:41:49,371 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:49,371 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:49,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:49,372 INFO L229 MonitoredProcess]: Starting monitored process 186 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:49,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (186)] Waiting until timeout for monitored process [2024-12-06 04:41:49,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:49,705 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:49,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:49,729 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:41:49,730 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:51,968 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:41:51,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (186)] Ended with exit code 0 [2024-12-06 04:41:52,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:52,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:41:52,098 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:41:52,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:41:52,099 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:52,099 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:52,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:52,100 INFO L229 MonitoredProcess]: Starting monitored process 187 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:52,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (187)] Waiting until timeout for monitored process [2024-12-06 04:41:52,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:52,427 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:52,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:52,451 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:41:52,452 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:54,669 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:41:54,672 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (187)] Ended with exit code 0 [2024-12-06 04:41:54,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:54,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:41:54,701 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:41:54,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:41:54,701 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:54,701 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:54,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:54,702 INFO L229 MonitoredProcess]: Starting monitored process 188 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:54,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (188)] Waiting until timeout for monitored process [2024-12-06 04:41:55,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:55,035 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:55,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:55,061 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:41:55,061 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:57,352 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:41:57,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (188)] Ended with exit code 0 [2024-12-06 04:41:57,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:57,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:41:57,392 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:41:57,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:41:57,392 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:57,392 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:57,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:57,394 INFO L229 MonitoredProcess]: Starting monitored process 189 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:57,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (189)] Waiting until timeout for monitored process [2024-12-06 04:41:57,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:57,717 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:41:57,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:41:57,743 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:41:57,744 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:41:59,954 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:41:59,957 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (189)] Ended with exit code 0 [2024-12-06 04:41:59,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:41:59,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:41:59,988 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:41:59,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:41:59,988 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:41:59,988 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:41:59,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:41:59,989 INFO L229 MonitoredProcess]: Starting monitored process 190 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:41:59,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (190)] Waiting until timeout for monitored process [2024-12-06 04:42:00,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:00,319 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:00,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:00,344 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:42:00,345 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:02,610 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:42:02,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (190)] Forceful destruction successful, exit code 0 [2024-12-06 04:42:02,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:02,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:42:02,652 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:42:02,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:42:02,652 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:02,652 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:02,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:02,654 INFO L229 MonitoredProcess]: Starting monitored process 191 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:02,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (191)] Waiting until timeout for monitored process [2024-12-06 04:42:02,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:02,984 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:03,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:03,010 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:42:03,011 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:05,288 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:42:05,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (191)] Ended with exit code 0 [2024-12-06 04:42:05,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:05,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:42:05,322 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:42:05,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:42:05,322 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:05,323 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:05,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:05,324 INFO L229 MonitoredProcess]: Starting monitored process 192 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:05,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (192)] Waiting until timeout for monitored process [2024-12-06 04:42:05,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:05,694 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:05,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:05,718 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:42:05,719 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:08,297 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:42:08,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (192)] Ended with exit code 0 [2024-12-06 04:42:08,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:08,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:42:08,308 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:42:08,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:42:08,308 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:08,308 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:08,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:08,310 INFO L229 MonitoredProcess]: Starting monitored process 193 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:08,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (193)] Waiting until timeout for monitored process [2024-12-06 04:42:08,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:08,654 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:08,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:08,677 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:42:08,678 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:11,270 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:42:11,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (193)] Ended with exit code 0 [2024-12-06 04:42:11,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:11,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:42:11,282 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:42:11,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:42:11,282 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:11,282 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:11,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:11,283 INFO L229 MonitoredProcess]: Starting monitored process 194 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:11,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (194)] Waiting until timeout for monitored process [2024-12-06 04:42:11,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:11,618 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:11,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:11,643 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:42:11,643 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:13,905 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:42:13,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (194)] Ended with exit code 0 [2024-12-06 04:42:13,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:13,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:42:13,933 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:42:13,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:42:13,933 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:13,933 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:13,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:13,934 INFO L229 MonitoredProcess]: Starting monitored process 195 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:13,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (195)] Waiting until timeout for monitored process [2024-12-06 04:42:14,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:14,286 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:14,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:14,312 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:42:14,313 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:16,803 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:42:16,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (195)] Ended with exit code 0 [2024-12-06 04:42:16,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:16,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:42:16,815 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:42:16,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:42:16,815 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:16,815 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:16,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:16,816 INFO L229 MonitoredProcess]: Starting monitored process 196 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:16,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (196)] Waiting until timeout for monitored process [2024-12-06 04:42:17,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:17,139 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:17,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:17,163 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:42:17,164 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:19,714 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:42:19,717 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (196)] Ended with exit code 0 [2024-12-06 04:42:19,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:19,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:42:19,725 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:42:19,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:42:19,725 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:19,726 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:19,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:19,727 INFO L229 MonitoredProcess]: Starting monitored process 197 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:19,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (197)] Waiting until timeout for monitored process [2024-12-06 04:42:20,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:20,093 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:20,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:20,118 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:42:20,119 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:22,630 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:42:22,633 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (197)] Forceful destruction successful, exit code 0 [2024-12-06 04:42:22,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:22,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:42:22,642 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:42:22,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:42:22,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:22,642 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:22,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:22,644 INFO L229 MonitoredProcess]: Starting monitored process 198 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:22,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (198)] Waiting until timeout for monitored process [2024-12-06 04:42:22,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:22,970 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:22,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:22,995 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:42:22,996 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:25,547 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:42:25,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (198)] Ended with exit code 0 [2024-12-06 04:42:25,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:25,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:42:25,559 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:42:25,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:42:25,559 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:25,559 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:25,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:25,560 INFO L229 MonitoredProcess]: Starting monitored process 199 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:25,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (199)] Waiting until timeout for monitored process [2024-12-06 04:42:25,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:25,891 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:25,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:25,918 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:42:25,919 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:28,453 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:42:28,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (199)] Ended with exit code 0 [2024-12-06 04:42:28,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:28,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:42:28,465 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:42:28,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:42:28,465 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:28,465 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:28,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:28,466 INFO L229 MonitoredProcess]: Starting monitored process 200 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:28,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (200)] Waiting until timeout for monitored process [2024-12-06 04:42:28,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:28,794 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:28,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:28,818 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:42:28,819 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:31,338 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:42:31,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (200)] Ended with exit code 0 [2024-12-06 04:42:31,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:31,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:42:31,349 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:42:31,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:42:31,349 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:31,349 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:31,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:31,351 INFO L229 MonitoredProcess]: Starting monitored process 201 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:31,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (201)] Waiting until timeout for monitored process [2024-12-06 04:42:31,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:31,678 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:31,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:31,703 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:42:31,704 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:34,170 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:42:34,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (201)] Ended with exit code 0 [2024-12-06 04:42:34,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:34,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:42:34,180 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:42:34,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:42:34,181 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:34,181 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:34,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:34,182 INFO L229 MonitoredProcess]: Starting monitored process 202 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:34,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (202)] Waiting until timeout for monitored process [2024-12-06 04:42:34,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:34,521 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:34,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:34,549 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:42:34,550 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:36,736 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:42:36,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (202)] Ended with exit code 0 [2024-12-06 04:42:36,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:36,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:42:36,761 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:42:36,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:42:36,761 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:36,762 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:36,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:36,763 INFO L229 MonitoredProcess]: Starting monitored process 203 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:36,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (203)] Waiting until timeout for monitored process [2024-12-06 04:42:37,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:37,085 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:37,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:37,110 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:42:37,110 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:39,662 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:42:39,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (203)] Ended with exit code 0 [2024-12-06 04:42:39,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:39,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:42:39,673 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:42:39,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:42:39,674 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:39,674 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:39,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:39,675 INFO L229 MonitoredProcess]: Starting monitored process 204 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:39,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (204)] Waiting until timeout for monitored process [2024-12-06 04:42:40,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:40,002 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:40,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:40,029 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:42:40,030 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:42,213 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:42:42,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (204)] Ended with exit code 0 [2024-12-06 04:42:42,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:42,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:42:42,355 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:42:42,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:42:42,355 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:42,355 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:42,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:42,356 INFO L229 MonitoredProcess]: Starting monitored process 205 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:42,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (205)] Waiting until timeout for monitored process [2024-12-06 04:42:42,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:42,694 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:42,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:42,721 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:42:42,721 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:45,256 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:42:45,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (205)] Ended with exit code 0 [2024-12-06 04:42:45,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:45,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:42:45,267 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:42:45,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:42:45,267 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:45,267 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:45,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:45,268 INFO L229 MonitoredProcess]: Starting monitored process 206 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:45,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (206)] Waiting until timeout for monitored process [2024-12-06 04:42:45,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:45,601 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:45,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:45,629 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:42:45,630 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:47,848 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:42:47,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (206)] Ended with exit code 0 [2024-12-06 04:42:47,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:47,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:42:47,994 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:42:47,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:42:47,995 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:47,995 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:47,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:47,996 INFO L229 MonitoredProcess]: Starting monitored process 207 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:47,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (207)] Waiting until timeout for monitored process [2024-12-06 04:42:48,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:48,322 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:48,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:48,347 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:42:48,347 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:50,628 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:42:50,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (207)] Ended with exit code 0 [2024-12-06 04:42:50,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:50,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:42:50,656 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:42:50,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:42:50,656 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:50,656 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:50,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:50,657 INFO L229 MonitoredProcess]: Starting monitored process 208 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:50,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (208)] Waiting until timeout for monitored process [2024-12-06 04:42:50,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:50,982 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:51,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:51,007 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:42:51,008 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:53,548 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:42:53,551 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (208)] Forceful destruction successful, exit code 0 [2024-12-06 04:42:53,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:53,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:42:53,560 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:42:53,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:42:53,561 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:53,561 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:53,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:53,562 INFO L229 MonitoredProcess]: Starting monitored process 209 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:53,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (209)] Waiting until timeout for monitored process [2024-12-06 04:42:53,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:53,897 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:53,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:53,924 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:42:53,925 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:56,407 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:42:56,410 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (209)] Ended with exit code 0 [2024-12-06 04:42:56,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:56,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:42:56,418 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:42:56,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:42:56,418 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:56,418 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:56,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:56,419 INFO L229 MonitoredProcess]: Starting monitored process 210 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:56,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (210)] Waiting until timeout for monitored process [2024-12-06 04:42:56,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:56,752 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:56,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:56,776 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:42:56,777 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:59,269 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:42:59,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (210)] Ended with exit code 0 [2024-12-06 04:42:59,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:59,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:42:59,280 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:42:59,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:42:59,280 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:59,280 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:59,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:59,282 INFO L229 MonitoredProcess]: Starting monitored process 211 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:59,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (211)] Waiting until timeout for monitored process [2024-12-06 04:42:59,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:59,609 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:59,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:59,636 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:42:59,637 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:02,371 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:43:02,374 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (211)] Ended with exit code 0 [2024-12-06 04:43:02,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:02,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:43:02,381 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:43:02,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:43:02,382 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:02,382 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:02,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:02,383 INFO L229 MonitoredProcess]: Starting monitored process 212 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:02,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (212)] Waiting until timeout for monitored process [2024-12-06 04:43:02,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:02,717 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:02,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:02,742 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:43:02,743 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:05,008 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:43:05,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (212)] Ended with exit code 0 [2024-12-06 04:43:05,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:05,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:43:05,034 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:43:05,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:43:05,035 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:05,035 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:05,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:05,036 INFO L229 MonitoredProcess]: Starting monitored process 213 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:05,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (213)] Waiting until timeout for monitored process [2024-12-06 04:43:05,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:05,412 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:05,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:05,438 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:43:05,438 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:08,008 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:43:08,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (213)] Ended with exit code 0 [2024-12-06 04:43:08,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:08,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:43:08,019 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:43:08,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:43:08,020 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:08,020 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:08,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:08,021 INFO L229 MonitoredProcess]: Starting monitored process 214 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:08,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (214)] Waiting until timeout for monitored process [2024-12-06 04:43:08,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:08,354 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:08,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:08,380 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:43:08,380 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:10,683 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:43:10,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (214)] Ended with exit code 0 [2024-12-06 04:43:10,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:10,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:43:10,820 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:43:10,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:43:10,820 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:10,821 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:10,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:10,822 INFO L229 MonitoredProcess]: Starting monitored process 215 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:10,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (215)] Waiting until timeout for monitored process [2024-12-06 04:43:11,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:11,150 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:11,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:11,178 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:43:11,179 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:13,699 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:43:13,702 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (215)] Forceful destruction successful, exit code 0 [2024-12-06 04:43:13,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:13,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:43:13,711 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:43:13,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:43:13,711 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:13,711 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:13,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:13,712 INFO L229 MonitoredProcess]: Starting monitored process 216 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:13,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (216)] Waiting until timeout for monitored process [2024-12-06 04:43:14,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:14,067 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:14,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:14,093 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:43:14,093 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:16,602 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:43:16,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (216)] Ended with exit code 0 [2024-12-06 04:43:16,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:16,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:43:16,613 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:43:16,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:43:16,613 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:16,613 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:16,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:16,615 INFO L229 MonitoredProcess]: Starting monitored process 217 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:16,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (217)] Waiting until timeout for monitored process [2024-12-06 04:43:16,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:16,943 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:16,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:16,967 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:43:16,968 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:19,522 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:43:19,525 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (217)] Ended with exit code 0 [2024-12-06 04:43:19,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:19,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:43:19,533 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:43:19,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:43:19,533 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:19,533 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:19,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:19,535 INFO L229 MonitoredProcess]: Starting monitored process 218 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:19,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (218)] Waiting until timeout for monitored process [2024-12-06 04:43:19,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:19,883 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:19,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:19,907 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:43:19,908 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:22,159 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:43:22,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (218)] Ended with exit code 0 [2024-12-06 04:43:22,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:22,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:43:22,284 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:43:22,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:43:22,284 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:22,284 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:22,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:22,286 INFO L229 MonitoredProcess]: Starting monitored process 219 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:22,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (219)] Waiting until timeout for monitored process [2024-12-06 04:43:22,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:22,636 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:22,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:22,662 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:43:22,663 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:25,201 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:43:25,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (219)] Ended with exit code 0 [2024-12-06 04:43:25,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:25,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:43:25,211 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:43:25,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:43:25,212 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:25,212 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:25,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:25,213 INFO L229 MonitoredProcess]: Starting monitored process 220 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:25,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (220)] Waiting until timeout for monitored process [2024-12-06 04:43:25,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:25,537 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:25,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:25,565 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:43:25,566 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:28,067 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:43:28,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (220)] Ended with exit code 0 [2024-12-06 04:43:28,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:28,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:43:28,079 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:43:28,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:43:28,080 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:28,080 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:28,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:28,081 INFO L229 MonitoredProcess]: Starting monitored process 221 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:28,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (221)] Waiting until timeout for monitored process [2024-12-06 04:43:28,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:28,412 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:28,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:28,440 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:43:28,441 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:30,764 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:43:30,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (221)] Ended with exit code 0 [2024-12-06 04:43:30,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:30,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:43:30,927 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:43:30,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:43:30,927 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:30,927 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:30,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:30,929 INFO L229 MonitoredProcess]: Starting monitored process 222 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:30,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (222)] Waiting until timeout for monitored process [2024-12-06 04:43:31,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:31,262 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:31,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:31,285 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:43:31,286 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:33,846 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:43:33,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (222)] Ended with exit code 0 [2024-12-06 04:43:33,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:33,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:43:33,859 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:43:33,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:43:33,859 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:33,860 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:33,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:33,861 INFO L229 MonitoredProcess]: Starting monitored process 223 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:33,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (223)] Waiting until timeout for monitored process [2024-12-06 04:43:34,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:34,203 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:34,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:34,228 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:43:34,228 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:36,742 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:43:36,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (223)] Ended with exit code 0 [2024-12-06 04:43:36,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:36,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:43:36,754 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:43:36,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:43:36,754 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:36,755 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:36,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:36,756 INFO L229 MonitoredProcess]: Starting monitored process 224 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:36,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (224)] Waiting until timeout for monitored process [2024-12-06 04:43:37,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:37,116 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:37,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:37,142 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:43:37,142 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:39,591 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:43:39,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (224)] Ended with exit code 0 [2024-12-06 04:43:39,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:39,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:43:39,602 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:43:39,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:43:39,602 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:39,602 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:39,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:39,603 INFO L229 MonitoredProcess]: Starting monitored process 225 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:39,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (225)] Waiting until timeout for monitored process [2024-12-06 04:43:39,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:39,986 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:40,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:40,012 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:43:40,013 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:42,572 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:43:42,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (225)] Ended with exit code 0 [2024-12-06 04:43:42,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:42,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:43:42,583 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:43:42,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:43:42,584 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:42,584 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:42,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:42,585 INFO L229 MonitoredProcess]: Starting monitored process 226 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:42,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (226)] Waiting until timeout for monitored process [2024-12-06 04:43:42,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:42,941 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:42,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:42,969 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:43:42,969 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:45,296 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:43:45,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (226)] Forceful destruction successful, exit code 0 [2024-12-06 04:43:45,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:45,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:43:45,447 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:43:45,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:43:45,447 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:45,447 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:45,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:45,449 INFO L229 MonitoredProcess]: Starting monitored process 227 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:45,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (227)] Waiting until timeout for monitored process [2024-12-06 04:43:45,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:45,784 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:45,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:45,810 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:43:45,811 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:48,386 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:43:48,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (227)] Ended with exit code 0 [2024-12-06 04:43:48,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:48,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:43:48,397 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:43:48,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:43:48,397 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:48,397 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:48,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:48,399 INFO L229 MonitoredProcess]: Starting monitored process 228 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:48,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (228)] Waiting until timeout for monitored process [2024-12-06 04:43:48,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:48,727 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:48,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:48,754 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:43:48,755 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:51,038 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:43:51,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (228)] Ended with exit code 0 [2024-12-06 04:43:51,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:51,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:43:51,179 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:43:51,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:43:51,179 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:51,180 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:51,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:51,181 INFO L229 MonitoredProcess]: Starting monitored process 229 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:51,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (229)] Waiting until timeout for monitored process [2024-12-06 04:43:51,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:51,513 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:51,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:51,542 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:43:51,542 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:54,185 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:43:54,188 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (229)] Ended with exit code 0 [2024-12-06 04:43:54,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:54,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:43:54,196 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:43:54,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:43:54,196 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:54,196 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:54,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:54,197 INFO L229 MonitoredProcess]: Starting monitored process 230 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:54,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (230)] Waiting until timeout for monitored process [2024-12-06 04:43:54,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:54,533 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:54,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:54,559 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:43:54,560 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:56,859 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:43:56,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (230)] Ended with exit code 0 [2024-12-06 04:43:56,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:56,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:43:56,991 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:43:56,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:43:56,991 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:56,991 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:56,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:56,992 INFO L229 MonitoredProcess]: Starting monitored process 231 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:56,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (231)] Waiting until timeout for monitored process [2024-12-06 04:43:57,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:57,317 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:57,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:57,347 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:43:57,348 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:59,927 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:43:59,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (231)] Ended with exit code 0 [2024-12-06 04:43:59,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:59,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:43:59,942 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:43:59,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:43:59,942 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:59,943 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:59,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:59,944 INFO L229 MonitoredProcess]: Starting monitored process 232 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:59,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (232)] Waiting until timeout for monitored process [2024-12-06 04:44:00,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:00,273 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:00,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:00,301 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:44:00,302 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:02,641 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:44:02,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (232)] Ended with exit code 0 [2024-12-06 04:44:02,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:02,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:44:02,774 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:44:02,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:44:02,775 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:02,775 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:02,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:02,776 INFO L229 MonitoredProcess]: Starting monitored process 233 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:02,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (233)] Waiting until timeout for monitored process [2024-12-06 04:44:03,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:03,108 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:03,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:03,136 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:44:03,137 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:05,644 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:44:05,647 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (233)] Ended with exit code 0 [2024-12-06 04:44:05,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:05,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:44:05,656 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:44:05,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:44:05,656 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:05,657 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:05,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:05,658 INFO L229 MonitoredProcess]: Starting monitored process 234 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:05,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (234)] Waiting until timeout for monitored process [2024-12-06 04:44:05,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:05,984 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:06,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:06,009 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:44:06,009 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:08,513 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:44:08,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (234)] Ended with exit code 0 [2024-12-06 04:44:08,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:08,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:44:08,524 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:44:08,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:44:08,524 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:08,524 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:08,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:08,526 INFO L229 MonitoredProcess]: Starting monitored process 235 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:08,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (235)] Waiting until timeout for monitored process [2024-12-06 04:44:08,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:08,892 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:08,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:08,917 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:44:08,918 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:11,166 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:44:11,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (235)] Ended with exit code 0 [2024-12-06 04:44:11,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:11,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:44:11,292 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:44:11,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:44:11,292 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:11,292 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:11,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:11,293 INFO L229 MonitoredProcess]: Starting monitored process 236 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:11,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (236)] Waiting until timeout for monitored process [2024-12-06 04:44:11,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:11,627 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:11,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:11,652 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:44:11,653 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:14,177 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:44:14,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (236)] Ended with exit code 0 [2024-12-06 04:44:14,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:14,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:44:14,187 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:44:14,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:44:14,188 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:14,188 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:14,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:14,189 INFO L229 MonitoredProcess]: Starting monitored process 237 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:14,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (237)] Waiting until timeout for monitored process [2024-12-06 04:44:14,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:14,516 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:14,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:14,544 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:44:14,545 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:17,038 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:44:17,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (237)] Ended with exit code 0 [2024-12-06 04:44:17,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:17,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:44:17,048 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:44:17,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:44:17,048 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:17,048 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:17,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:17,050 INFO L229 MonitoredProcess]: Starting monitored process 238 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:17,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (238)] Waiting until timeout for monitored process [2024-12-06 04:44:17,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:17,380 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:17,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:17,406 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:44:17,407 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:19,991 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:44:19,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (238)] Ended with exit code 0 [2024-12-06 04:44:20,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:20,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:44:20,002 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:44:20,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:44:20,003 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:20,003 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:20,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:20,004 INFO L229 MonitoredProcess]: Starting monitored process 239 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:20,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (239)] Waiting until timeout for monitored process [2024-12-06 04:44:20,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:20,327 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:20,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:20,354 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:44:20,354 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:22,823 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:44:22,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (239)] Ended with exit code 0 [2024-12-06 04:44:22,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:22,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:44:22,835 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:44:22,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:44:22,835 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:22,835 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:22,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:22,837 INFO L229 MonitoredProcess]: Starting monitored process 240 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:22,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (240)] Waiting until timeout for monitored process [2024-12-06 04:44:23,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:23,160 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:23,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:23,185 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:44:23,185 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:25,488 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:44:25,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (240)] Forceful destruction successful, exit code 0 [2024-12-06 04:44:25,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:25,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:44:25,622 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:44:25,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:44:25,622 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:25,622 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:25,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:25,624 INFO L229 MonitoredProcess]: Starting monitored process 241 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:25,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (241)] Waiting until timeout for monitored process [2024-12-06 04:44:25,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:25,947 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:25,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:25,975 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:44:25,975 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:28,484 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:44:28,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (241)] Ended with exit code 0 [2024-12-06 04:44:28,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:28,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:44:28,496 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:44:28,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:44:28,496 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:28,496 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:28,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:28,497 INFO L229 MonitoredProcess]: Starting monitored process 242 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:28,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (242)] Waiting until timeout for monitored process [2024-12-06 04:44:28,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:28,824 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:28,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:28,853 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:44:28,854 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:31,125 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:44:31,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (242)] Ended with exit code 0 [2024-12-06 04:44:31,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:31,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:44:31,153 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:44:31,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:44:31,154 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:31,154 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:31,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:31,155 INFO L229 MonitoredProcess]: Starting monitored process 243 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:31,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (243)] Waiting until timeout for monitored process [2024-12-06 04:44:31,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:31,492 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:31,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:31,519 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:44:31,520 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:34,056 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:44:34,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (243)] Ended with exit code 0 [2024-12-06 04:44:34,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:34,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:44:34,067 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:44:34,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:44:34,067 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:34,067 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:34,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:34,068 INFO L229 MonitoredProcess]: Starting monitored process 244 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:34,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (244)] Waiting until timeout for monitored process [2024-12-06 04:44:34,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:34,398 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:34,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:34,423 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:44:34,424 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:36,704 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:44:36,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (244)] Ended with exit code 0 [2024-12-06 04:44:36,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:36,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:44:36,745 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:44:36,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:44:36,745 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:36,745 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:36,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:36,746 INFO L229 MonitoredProcess]: Starting monitored process 245 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:36,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (245)] Waiting until timeout for monitored process [2024-12-06 04:44:37,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:37,075 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:37,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:37,104 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:44:37,105 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:39,309 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:44:39,312 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (245)] Ended with exit code 0 [2024-12-06 04:44:39,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:39,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:44:39,450 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:44:39,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:44:39,451 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:39,451 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:39,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:39,452 INFO L229 MonitoredProcess]: Starting monitored process 246 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:39,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (246)] Waiting until timeout for monitored process [2024-12-06 04:44:39,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:39,782 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:39,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:39,806 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:44:39,807 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:41,996 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:44:41,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (246)] Ended with exit code 0 [2024-12-06 04:44:42,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:42,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:44:42,139 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:44:42,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:44:42,139 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:42,139 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:42,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:42,140 INFO L229 MonitoredProcess]: Starting monitored process 247 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:42,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (247)] Waiting until timeout for monitored process [2024-12-06 04:44:42,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:42,473 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:42,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:42,501 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:44:42,502 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:44,978 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:44:44,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (247)] Ended with exit code 0 [2024-12-06 04:44:44,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:44,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:44:44,988 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:44:44,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:44:44,988 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:44,988 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:44,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:44,990 INFO L229 MonitoredProcess]: Starting monitored process 248 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:44,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (248)] Waiting until timeout for monitored process [2024-12-06 04:44:45,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:45,321 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:45,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:45,348 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:44:45,349 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:47,911 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:44:47,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (248)] Ended with exit code 0 [2024-12-06 04:44:47,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:47,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:44:47,923 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:44:47,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:44:47,923 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:47,923 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:47,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:47,924 INFO L229 MonitoredProcess]: Starting monitored process 249 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:47,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (249)] Waiting until timeout for monitored process [2024-12-06 04:44:48,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:48,251 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:48,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:48,276 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:44:48,277 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:50,746 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:44:50,749 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (249)] Forceful destruction successful, exit code 0 [2024-12-06 04:44:50,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:50,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:44:50,758 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:44:50,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:44:50,758 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:50,759 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:50,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:50,760 INFO L229 MonitoredProcess]: Starting monitored process 250 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:50,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (250)] Waiting until timeout for monitored process [2024-12-06 04:44:51,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:51,094 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:51,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:51,120 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:44:51,121 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:53,685 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:44:53,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (250)] Ended with exit code 0 [2024-12-06 04:44:53,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:53,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:44:53,696 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:44:53,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:44:53,696 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:53,696 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:53,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:53,698 INFO L229 MonitoredProcess]: Starting monitored process 251 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:53,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (251)] Waiting until timeout for monitored process [2024-12-06 04:44:54,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:54,049 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:54,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:54,074 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:44:54,075 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:56,296 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:44:56,299 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (251)] Ended with exit code 0 [2024-12-06 04:44:56,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:56,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:44:56,449 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:44:56,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:44:56,450 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:56,450 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:56,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:56,451 INFO L229 MonitoredProcess]: Starting monitored process 252 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:56,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (252)] Waiting until timeout for monitored process [2024-12-06 04:44:56,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:56,774 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:56,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:56,801 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:44:56,802 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:44:58,998 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:44:59,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (252)] Ended with exit code 0 [2024-12-06 04:44:59,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:44:59,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:44:59,126 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:44:59,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:44:59,126 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:44:59,126 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:44:59,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:44:59,128 INFO L229 MonitoredProcess]: Starting monitored process 253 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:44:59,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (253)] Waiting until timeout for monitored process [2024-12-06 04:44:59,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:59,457 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:44:59,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:44:59,484 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:44:59,485 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:45:01,724 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:45:01,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (253)] Ended with exit code 0 [2024-12-06 04:45:01,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:45:01,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:45:01,746 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:45:01,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:45:01,746 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:45:01,746 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:45:01,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:45:01,748 INFO L229 MonitoredProcess]: Starting monitored process 254 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:45:01,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (254)] Waiting until timeout for monitored process [2024-12-06 04:45:02,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:02,083 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:45:02,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:02,109 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:45:02,110 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:45:04,322 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:45:04,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (254)] Ended with exit code 0 [2024-12-06 04:45:04,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:45:04,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:45:04,447 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:45:04,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:45:04,447 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:45:04,447 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:45:04,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:45:04,448 INFO L229 MonitoredProcess]: Starting monitored process 255 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:45:04,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (255)] Waiting until timeout for monitored process [2024-12-06 04:45:04,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:04,785 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:45:04,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:04,812 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:45:04,813 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:45:07,287 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:45:07,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (255)] Ended with exit code 0 [2024-12-06 04:45:07,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:45:07,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:45:07,299 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:45:07,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:45:07,299 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:45:07,299 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:45:07,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:45:07,301 INFO L229 MonitoredProcess]: Starting monitored process 256 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:45:07,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (256)] Waiting until timeout for monitored process [2024-12-06 04:45:07,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:07,635 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:45:07,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:07,663 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:45:07,664 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:45:10,211 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:45:10,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (256)] Ended with exit code 0 [2024-12-06 04:45:10,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:45:10,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:45:10,224 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:45:10,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:45:10,224 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:45:10,224 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:45:10,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:45:10,225 INFO L229 MonitoredProcess]: Starting monitored process 257 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:45:10,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (257)] Waiting until timeout for monitored process [2024-12-06 04:45:10,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:10,564 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:45:10,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:10,591 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:45:10,592 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:45:13,054 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:45:13,057 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (257)] Ended with exit code 0 [2024-12-06 04:45:13,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:45:13,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:45:13,065 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:45:13,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:45:13,066 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:45:13,066 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:45:13,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:45:13,067 INFO L229 MonitoredProcess]: Starting monitored process 258 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:45:13,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (258)] Waiting until timeout for monitored process [2024-12-06 04:45:13,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:13,397 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:45:13,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:13,425 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:45:13,425 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:45:15,909 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:45:15,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (258)] Forceful destruction successful, exit code 0 [2024-12-06 04:45:15,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:45:15,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:45:15,920 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:45:15,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:45:15,920 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:45:15,920 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:45:15,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:45:15,921 INFO L229 MonitoredProcess]: Starting monitored process 259 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:45:15,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (259)] Waiting until timeout for monitored process [2024-12-06 04:45:16,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:16,254 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:45:16,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:16,280 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:45:16,281 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:45:18,827 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:45:18,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (259)] Ended with exit code 0 [2024-12-06 04:45:18,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:45:18,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:45:18,837 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:45:18,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:45:18,838 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:45:18,838 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:45:18,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:45:18,839 INFO L229 MonitoredProcess]: Starting monitored process 260 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:45:18,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (260)] Waiting until timeout for monitored process [2024-12-06 04:45:19,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:19,160 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:45:19,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:19,187 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:45:19,187 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:45:21,426 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:45:21,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (260)] Ended with exit code 0 [2024-12-06 04:45:21,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:45:21,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:45:21,586 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:45:21,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:45:21,587 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:45:21,587 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:45:21,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:45:21,588 INFO L229 MonitoredProcess]: Starting monitored process 261 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:45:21,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (261)] Waiting until timeout for monitored process [2024-12-06 04:45:21,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:21,919 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:45:21,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:21,946 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:45:21,947 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:45:24,205 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:45:24,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (261)] Ended with exit code 0 [2024-12-06 04:45:24,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:45:24,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:45:24,237 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:45:24,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:45:24,237 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:45:24,237 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:45:24,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:45:24,238 INFO L229 MonitoredProcess]: Starting monitored process 262 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:45:24,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (262)] Waiting until timeout for monitored process [2024-12-06 04:45:24,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:24,571 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:45:24,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:24,596 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:45:24,597 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:45:26,805 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:45:26,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (262)] Ended with exit code 0 [2024-12-06 04:45:26,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:45:26,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:45:26,839 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:45:26,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:45:26,839 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:45:26,839 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:45:26,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:45:26,840 INFO L229 MonitoredProcess]: Starting monitored process 263 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:45:26,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (263)] Waiting until timeout for monitored process [2024-12-06 04:45:27,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:27,169 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:45:27,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:27,197 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:45:27,198 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:45:29,392 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:45:29,394 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (263)] Forceful destruction successful, exit code 0 [2024-12-06 04:45:29,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:45:29,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:45:29,431 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:45:29,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:45:29,431 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:45:29,431 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:45:29,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:45:29,432 INFO L229 MonitoredProcess]: Starting monitored process 264 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:45:29,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (264)] Waiting until timeout for monitored process [2024-12-06 04:45:29,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:29,768 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:45:29,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:29,795 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:45:29,796 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:45:32,262 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:45:32,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (264)] Ended with exit code 0 [2024-12-06 04:45:32,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:45:32,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:45:32,272 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:45:32,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:45:32,272 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:45:32,273 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:45:32,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:45:32,274 INFO L229 MonitoredProcess]: Starting monitored process 265 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:45:32,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (265)] Waiting until timeout for monitored process [2024-12-06 04:45:32,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:32,596 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:45:32,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:32,624 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:45:32,624 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:45:35,169 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:45:35,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (265)] Ended with exit code 0 [2024-12-06 04:45:35,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:45:35,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:45:35,180 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:45:35,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:45:35,181 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:45:35,181 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:45:35,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:45:35,182 INFO L229 MonitoredProcess]: Starting monitored process 266 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:45:35,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (266)] Waiting until timeout for monitored process [2024-12-06 04:45:35,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:35,505 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:45:35,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:35,533 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:45:35,534 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:45:38,029 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:45:38,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (266)] Ended with exit code 0 [2024-12-06 04:45:38,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:45:38,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:45:38,039 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:45:38,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:45:38,040 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:45:38,040 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:45:38,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:45:38,041 INFO L229 MonitoredProcess]: Starting monitored process 267 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:45:38,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (267)] Waiting until timeout for monitored process [2024-12-06 04:45:38,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:38,364 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:45:38,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:38,394 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:45:38,394 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:45:40,616 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:45:40,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (267)] Ended with exit code 0 [2024-12-06 04:45:40,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:45:40,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:45:40,760 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:45:40,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:45:40,760 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:45:40,760 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:45:40,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:45:40,761 INFO L229 MonitoredProcess]: Starting monitored process 268 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:45:40,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (268)] Waiting until timeout for monitored process [2024-12-06 04:45:41,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:41,092 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:45:41,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:41,120 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:45:41,121 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:45:43,531 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:45:43,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (268)] Ended with exit code 0 [2024-12-06 04:45:43,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:45:43,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:45:43,542 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:45:43,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:45:43,543 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:45:43,543 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:45:43,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:45:43,544 INFO L229 MonitoredProcess]: Starting monitored process 269 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:45:43,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (269)] Waiting until timeout for monitored process [2024-12-06 04:45:43,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:43,873 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:45:43,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:43,900 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:45:43,900 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:45:46,099 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:45:46,102 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (269)] Ended with exit code 0 [2024-12-06 04:45:46,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:45:46,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:45:46,240 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:45:46,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:45:46,240 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:45:46,240 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:45:46,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:45:46,242 INFO L229 MonitoredProcess]: Starting monitored process 270 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:45:46,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (270)] Waiting until timeout for monitored process [2024-12-06 04:45:46,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:46,572 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:45:46,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:46,598 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:45:46,598 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:45:49,063 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:45:49,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (270)] Ended with exit code 0 [2024-12-06 04:45:49,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:45:49,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:45:49,073 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:45:49,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:45:49,073 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:45:49,073 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:45:49,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:45:49,075 INFO L229 MonitoredProcess]: Starting monitored process 271 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:45:49,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (271)] Waiting until timeout for monitored process [2024-12-06 04:45:49,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:49,406 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:45:49,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:49,432 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:45:49,433 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:45:51,740 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:45:51,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (271)] Ended with exit code 0 [2024-12-06 04:45:51,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:45:51,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:45:51,892 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:45:51,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:45:51,892 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:45:51,892 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:45:51,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:45:51,893 INFO L229 MonitoredProcess]: Starting monitored process 272 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:45:51,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (272)] Waiting until timeout for monitored process [2024-12-06 04:45:52,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:52,223 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:45:52,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:52,250 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:45:52,251 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:45:54,722 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:45:54,724 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (272)] Forceful destruction successful, exit code 0 [2024-12-06 04:45:54,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:45:54,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:45:54,732 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:45:54,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:45:54,733 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:45:54,733 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:45:54,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:45:54,734 INFO L229 MonitoredProcess]: Starting monitored process 273 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:45:54,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (273)] Waiting until timeout for monitored process [2024-12-06 04:45:55,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:55,067 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:45:55,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:55,096 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:45:55,097 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:45:57,373 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:45:57,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (273)] Ended with exit code 0 [2024-12-06 04:45:57,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:45:57,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:45:57,520 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:45:57,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:45:57,521 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:45:57,521 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:45:57,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:45:57,522 INFO L229 MonitoredProcess]: Starting monitored process 274 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:45:57,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (274)] Waiting until timeout for monitored process [2024-12-06 04:45:57,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:57,850 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:45:57,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:57,879 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:45:57,879 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:46:00,050 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:46:00,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (274)] Ended with exit code 0 [2024-12-06 04:46:00,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:46:00,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:46:00,181 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:46:00,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:46:00,182 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:46:00,182 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:46:00,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:46:00,183 INFO L229 MonitoredProcess]: Starting monitored process 275 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:46:00,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (275)] Waiting until timeout for monitored process [2024-12-06 04:46:00,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:00,512 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:46:00,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:00,538 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:46:00,539 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:46:02,737 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:46:02,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (275)] Ended with exit code 0 [2024-12-06 04:46:02,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:46:02,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:46:02,770 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:46:02,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:46:02,770 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:46:02,770 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:46:02,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:46:02,771 INFO L229 MonitoredProcess]: Starting monitored process 276 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:46:02,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (276)] Waiting until timeout for monitored process [2024-12-06 04:46:03,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:03,106 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:46:03,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:03,134 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:46:03,134 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:46:05,622 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:46:05,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (276)] Ended with exit code 0 [2024-12-06 04:46:05,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:46:05,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:46:05,632 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:46:05,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:46:05,633 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:46:05,633 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:46:05,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:46:05,634 INFO L229 MonitoredProcess]: Starting monitored process 277 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:46:05,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (277)] Waiting until timeout for monitored process [2024-12-06 04:46:05,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:05,977 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:46:06,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:06,003 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:46:06,004 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:46:08,175 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:46:08,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (277)] Ended with exit code 0 [2024-12-06 04:46:08,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:46:08,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:46:08,206 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:46:08,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:46:08,207 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:46:08,207 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:46:08,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:46:08,208 INFO L229 MonitoredProcess]: Starting monitored process 278 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:46:08,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (278)] Waiting until timeout for monitored process [2024-12-06 04:46:08,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:08,539 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:46:08,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:08,567 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:46:08,567 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:46:10,963 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:46:10,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (278)] Ended with exit code 0 [2024-12-06 04:46:10,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:46:10,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:46:10,974 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:46:10,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:46:10,974 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:46:10,974 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:46:10,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:46:10,975 INFO L229 MonitoredProcess]: Starting monitored process 279 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:46:10,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (279)] Waiting until timeout for monitored process [2024-12-06 04:46:11,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:11,307 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:46:11,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:11,334 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:46:11,335 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:46:13,547 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:46:13,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (279)] Ended with exit code 0 [2024-12-06 04:46:13,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:46:13,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:46:13,690 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:46:13,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:46:13,690 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:46:13,690 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:46:13,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:46:13,692 INFO L229 MonitoredProcess]: Starting monitored process 280 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:46:13,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (280)] Waiting until timeout for monitored process [2024-12-06 04:46:14,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:14,033 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:46:14,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:14,059 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:46:14,060 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:46:16,213 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:46:16,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (280)] Ended with exit code 0 [2024-12-06 04:46:16,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:46:16,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:46:16,347 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:46:16,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:46:16,347 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:46:16,347 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:46:16,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:46:16,348 INFO L229 MonitoredProcess]: Starting monitored process 281 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:46:16,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (281)] Waiting until timeout for monitored process [2024-12-06 04:46:16,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:16,675 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:46:16,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:16,703 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:46:16,704 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:46:19,141 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:46:19,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (281)] Ended with exit code 0 [2024-12-06 04:46:19,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:46:19,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:46:19,151 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:46:19,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:46:19,152 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:46:19,152 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:46:19,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:46:19,153 INFO L229 MonitoredProcess]: Starting monitored process 282 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:46:19,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (282)] Waiting until timeout for monitored process [2024-12-06 04:46:19,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:19,482 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:46:19,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:19,512 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:46:19,513 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:46:21,779 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:46:21,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (282)] Ended with exit code 0 [2024-12-06 04:46:21,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:46:21,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:46:21,916 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:46:21,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:46:21,916 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:46:21,916 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:46:21,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:46:21,918 INFO L229 MonitoredProcess]: Starting monitored process 283 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:46:21,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (283)] Waiting until timeout for monitored process [2024-12-06 04:46:22,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:22,249 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:46:22,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:22,277 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:46:22,278 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:46:24,497 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:46:24,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (283)] Forceful destruction successful, exit code 0 [2024-12-06 04:46:24,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:46:24,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:46:24,624 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:46:24,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:46:24,624 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:46:24,624 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:46:24,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:46:24,625 INFO L229 MonitoredProcess]: Starting monitored process 284 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:46:24,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (284)] Waiting until timeout for monitored process [2024-12-06 04:46:24,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:24,959 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:46:24,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:24,987 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:46:24,987 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:46:27,488 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:46:27,491 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (284)] Ended with exit code 0 [2024-12-06 04:46:27,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:46:27,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:46:27,499 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:46:27,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:46:27,499 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:46:27,499 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:46:27,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:46:27,501 INFO L229 MonitoredProcess]: Starting monitored process 285 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:46:27,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (285)] Waiting until timeout for monitored process [2024-12-06 04:46:27,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:27,833 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:46:27,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:27,859 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:46:27,860 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:46:30,274 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:46:30,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (285)] Ended with exit code 0 [2024-12-06 04:46:30,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:46:30,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:46:30,285 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:46:30,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:46:30,286 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:46:30,286 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:46:30,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:46:30,287 INFO L229 MonitoredProcess]: Starting monitored process 286 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:46:30,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (286)] Waiting until timeout for monitored process [2024-12-06 04:46:30,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:30,617 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:46:30,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:30,644 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:46:30,645 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:46:33,033 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:46:33,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (286)] Ended with exit code 0 [2024-12-06 04:46:33,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:46:33,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:46:33,045 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:46:33,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:46:33,046 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:46:33,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:46:33,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:46:33,047 INFO L229 MonitoredProcess]: Starting monitored process 287 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:46:33,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (287)] Waiting until timeout for monitored process [2024-12-06 04:46:33,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:33,381 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:46:33,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:33,411 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:46:33,412 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:46:35,626 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:46:35,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (287)] Ended with exit code 0 [2024-12-06 04:46:35,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:46:35,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:46:35,756 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:46:35,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:46:35,756 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:46:35,756 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:46:35,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:46:35,758 INFO L229 MonitoredProcess]: Starting monitored process 288 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:46:35,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (288)] Waiting until timeout for monitored process [2024-12-06 04:46:36,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:36,082 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:46:36,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:36,108 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:46:36,109 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:46:38,518 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:46:38,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (288)] Ended with exit code 0 [2024-12-06 04:46:38,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:46:38,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:46:38,528 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:46:38,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:46:38,529 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:46:38,529 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:46:38,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:46:38,530 INFO L229 MonitoredProcess]: Starting monitored process 289 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:46:38,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (289)] Waiting until timeout for monitored process [2024-12-06 04:46:38,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:38,854 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:46:38,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:38,885 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:46:38,886 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:46:41,132 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:46:41,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (289)] Ended with exit code 0 [2024-12-06 04:46:41,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:46:41,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:46:41,266 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:46:41,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:46:41,266 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:46:41,266 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:46:41,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:46:41,267 INFO L229 MonitoredProcess]: Starting monitored process 290 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:46:41,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (290)] Waiting until timeout for monitored process [2024-12-06 04:46:41,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:41,599 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:46:41,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:41,626 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:46:41,627 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:46:44,097 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:46:44,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (290)] Ended with exit code 0 [2024-12-06 04:46:44,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:46:44,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:46:44,107 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:46:44,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:46:44,108 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:46:44,108 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:46:44,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:46:44,109 INFO L229 MonitoredProcess]: Starting monitored process 291 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:46:44,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (291)] Waiting until timeout for monitored process [2024-12-06 04:46:44,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:44,432 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:46:44,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:44,459 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:46:44,460 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:46:46,620 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:46:46,622 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (291)] Ended with exit code 0 [2024-12-06 04:46:46,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:46:46,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:46:46,754 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:46:46,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:46:46,754 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:46:46,754 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:46:46,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:46:46,756 INFO L229 MonitoredProcess]: Starting monitored process 292 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:46:46,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (292)] Waiting until timeout for monitored process [2024-12-06 04:46:47,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:47,091 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:46:47,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:47,119 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:46:47,119 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:46:49,634 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:46:49,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (292)] Ended with exit code 0 [2024-12-06 04:46:49,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:46:49,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:46:49,646 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:46:49,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:46:49,647 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:46:49,647 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:46:49,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:46:49,648 INFO L229 MonitoredProcess]: Starting monitored process 293 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:46:49,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (293)] Waiting until timeout for monitored process [2024-12-06 04:46:49,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:49,978 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:46:50,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:50,006 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:46:50,006 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:46:52,418 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:46:52,421 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (293)] Ended with exit code 0 [2024-12-06 04:46:52,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:46:52,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:46:52,430 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:46:52,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:46:52,430 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:46:52,430 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:46:52,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:46:52,431 INFO L229 MonitoredProcess]: Starting monitored process 294 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:46:52,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (294)] Waiting until timeout for monitored process [2024-12-06 04:46:52,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:52,759 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:46:52,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:52,786 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:46:52,786 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:46:55,293 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:46:55,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (294)] Ended with exit code 0 [2024-12-06 04:46:55,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:46:55,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:46:55,304 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:46:55,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:46:55,305 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:46:55,305 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:46:55,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:46:55,306 INFO L229 MonitoredProcess]: Starting monitored process 295 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:46:55,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (295)] Waiting until timeout for monitored process [2024-12-06 04:46:55,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:55,640 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:46:55,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:55,666 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:46:55,667 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:46:57,893 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:46:57,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (295)] Ended with exit code 0 [2024-12-06 04:46:58,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:46:58,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:46:58,040 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:46:58,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:46:58,041 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:46:58,041 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:46:58,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:46:58,042 INFO L229 MonitoredProcess]: Starting monitored process 296 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:46:58,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (296)] Waiting until timeout for monitored process [2024-12-06 04:46:58,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:58,366 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:46:58,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:58,396 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:46:58,397 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:47:00,821 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:47:00,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (296)] Ended with exit code 0 [2024-12-06 04:47:00,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:47:00,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:47:00,831 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:47:00,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:47:00,831 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:47:00,831 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:47:00,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:47:00,833 INFO L229 MonitoredProcess]: Starting monitored process 297 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:47:00,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (297)] Waiting until timeout for monitored process [2024-12-06 04:47:01,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:47:01,165 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:47:01,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:47:01,194 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:47:01,194 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:47:03,703 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:47:03,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (297)] Ended with exit code 0 [2024-12-06 04:47:03,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:47:03,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:47:03,714 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:47:03,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:47:03,714 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:47:03,714 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:47:03,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:47:03,716 INFO L229 MonitoredProcess]: Starting monitored process 298 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:47:03,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (298)] Waiting until timeout for monitored process [2024-12-06 04:47:04,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:47:04,069 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:47:04,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:47:04,097 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:47:04,098 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:47:06,256 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:47:06,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (298)] Ended with exit code 0 [2024-12-06 04:47:06,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:47:06,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:47:06,388 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:47:06,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:47:06,388 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:47:06,388 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:47:06,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:47:06,390 INFO L229 MonitoredProcess]: Starting monitored process 299 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:47:06,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (299)] Waiting until timeout for monitored process [2024-12-06 04:47:06,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:47:06,728 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:47:06,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:47:06,758 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:47:06,759 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:47:09,282 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:47:09,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (299)] Ended with exit code 0 [2024-12-06 04:47:09,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:47:09,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:47:09,294 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:47:09,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:47:09,294 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:47:09,294 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:47:09,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:47:09,296 INFO L229 MonitoredProcess]: Starting monitored process 300 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:47:09,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (300)] Waiting until timeout for monitored process [2024-12-06 04:47:09,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:47:09,629 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:47:09,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:47:09,656 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:47:09,657 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:47:11,842 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:47:11,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (300)] Ended with exit code 0 [2024-12-06 04:47:11,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:47:11,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:47:11,973 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:47:11,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:47:11,973 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:47:11,973 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:47:11,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:47:11,975 INFO L229 MonitoredProcess]: Starting monitored process 301 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:47:11,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (301)] Waiting until timeout for monitored process [2024-12-06 04:47:12,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:47:12,310 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:47:12,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:47:12,338 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:47:12,338 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:47:14,489 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:47:14,491 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (301)] Ended with exit code 0 [2024-12-06 04:47:14,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:47:14,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:47:14,619 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:47:14,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:47:14,619 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:47:14,619 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:47:14,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:47:14,620 INFO L229 MonitoredProcess]: Starting monitored process 302 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:47:14,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (302)] Waiting until timeout for monitored process [2024-12-06 04:47:14,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:47:14,953 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:47:14,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:47:14,983 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:47:14,984 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:47:17,188 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:47:17,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (302)] Ended with exit code 0 [2024-12-06 04:47:17,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:47:17,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:47:17,328 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:47:17,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:47:17,328 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:47:17,328 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:47:17,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:47:17,330 INFO L229 MonitoredProcess]: Starting monitored process 303 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:47:17,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (303)] Waiting until timeout for monitored process [2024-12-06 04:47:17,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:47:17,667 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:47:17,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:47:17,693 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:47:17,694 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:47:19,885 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:47:19,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (303)] Forceful destruction successful, exit code 0 [2024-12-06 04:47:19,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:47:19,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:47:19,921 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:47:19,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:47:19,921 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:47:19,921 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:47:19,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:47:19,922 INFO L229 MonitoredProcess]: Starting monitored process 304 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:47:19,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (304)] Waiting until timeout for monitored process [2024-12-06 04:47:20,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:47:20,257 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:47:20,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:47:20,282 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:47:20,283 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:47:22,454 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:47:22,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (304)] Ended with exit code 0 [2024-12-06 04:47:22,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:47:22,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:47:22,487 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:47:22,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:47:22,487 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:47:22,487 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:47:22,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:47:22,489 INFO L229 MonitoredProcess]: Starting monitored process 305 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:47:22,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (305)] Waiting until timeout for monitored process [2024-12-06 04:47:22,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:47:22,826 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:47:22,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:47:22,854 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:47:22,854 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:47:25,057 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:47:25,060 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (305)] Ended with exit code 0 [2024-12-06 04:47:25,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:47:25,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:47:25,206 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:47:25,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:47:25,206 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:47:25,206 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:47:25,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:47:25,208 INFO L229 MonitoredProcess]: Starting monitored process 306 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:47:25,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (306)] Waiting until timeout for monitored process [2024-12-06 04:47:25,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:47:25,544 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:47:25,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:47:25,573 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:47:25,574 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:47:27,850 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:47:27,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (306)] Ended with exit code 0 [2024-12-06 04:47:27,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:47:27,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:47:27,987 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:47:27,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:47:27,987 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:47:27,987 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:47:27,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:47:27,989 INFO L229 MonitoredProcess]: Starting monitored process 307 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:47:27,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (307)] Waiting until timeout for monitored process [2024-12-06 04:47:28,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:47:28,317 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:47:28,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:47:28,346 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:47:28,347 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:47:30,542 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:47:30,545 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (307)] Ended with exit code 0 [2024-12-06 04:47:30,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:47:30,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:47:30,678 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:47:30,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:47:30,678 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:47:30,678 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:47:30,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:47:30,680 INFO L229 MonitoredProcess]: Starting monitored process 308 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:47:30,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (308)] Waiting until timeout for monitored process [2024-12-06 04:47:31,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:47:31,016 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:47:31,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:47:31,043 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:47:31,044 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:47:33,273 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:47:33,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (308)] Ended with exit code 0 [2024-12-06 04:47:33,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:47:33,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:47:33,422 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:47:33,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:47:33,422 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:47:33,422 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:47:33,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:47:33,424 INFO L229 MonitoredProcess]: Starting monitored process 309 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:47:33,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (309)] Waiting until timeout for monitored process [2024-12-06 04:47:33,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:47:33,754 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:47:33,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:47:33,780 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:47:33,781 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:47:36,000 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:47:36,003 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (309)] Ended with exit code 0 [2024-12-06 04:47:36,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:47:36,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:47:36,133 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:47:36,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:47:36,133 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:47:36,133 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:47:36,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:47:36,135 INFO L229 MonitoredProcess]: Starting monitored process 310 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:47:36,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (310)] Waiting until timeout for monitored process [2024-12-06 04:47:36,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:47:36,465 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:47:36,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:47:36,491 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:47:36,492 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:47:38,742 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:47:38,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (310)] Ended with exit code 0 [2024-12-06 04:47:38,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:47:38,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:47:38,902 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:47:38,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:47:38,902 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:47:38,902 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:47:38,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:47:38,903 INFO L229 MonitoredProcess]: Starting monitored process 311 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:47:38,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (311)] Waiting until timeout for monitored process [2024-12-06 04:47:39,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:47:39,237 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:47:39,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:47:39,264 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:47:39,264 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:47:41,687 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:47:41,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (311)] Ended with exit code 0 [2024-12-06 04:47:41,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:47:41,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:47:41,698 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:47:41,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:47:41,698 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:47:41,698 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:47:41,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:47:41,699 INFO L229 MonitoredProcess]: Starting monitored process 312 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:47:41,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (312)] Waiting until timeout for monitored process [2024-12-06 04:47:42,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:47:42,033 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:47:42,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:47:42,062 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:47:42,063 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:47:44,535 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:47:44,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (312)] Ended with exit code 0 [2024-12-06 04:47:44,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:47:44,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:47:44,545 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:47:44,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:47:44,545 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:47:44,545 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:47:44,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:47:44,546 INFO L229 MonitoredProcess]: Starting monitored process 313 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:47:44,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (313)] Waiting until timeout for monitored process [2024-12-06 04:47:44,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:47:44,881 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:47:44,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:47:44,907 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:47:44,907 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:47:47,454 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:47:47,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (313)] Ended with exit code 0 [2024-12-06 04:47:47,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:47:47,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:47:47,465 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:47:47,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:47:47,466 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:47:47,466 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:47:47,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:47:47,467 INFO L229 MonitoredProcess]: Starting monitored process 314 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:47:47,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (314)] Waiting until timeout for monitored process [2024-12-06 04:47:47,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:47:47,800 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:47:47,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:47:47,831 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:47:47,832 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:47:50,089 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:47:50,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (314)] Ended with exit code 0 [2024-12-06 04:47:50,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:47:50,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:47:50,257 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:47:50,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:47:50,257 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:47:50,257 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:47:50,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:47:50,258 INFO L229 MonitoredProcess]: Starting monitored process 315 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:47:50,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (315)] Waiting until timeout for monitored process [2024-12-06 04:47:50,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:47:50,594 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:47:50,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:47:50,622 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:47:50,623 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:47:52,794 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:47:52,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (315)] Ended with exit code 0 [2024-12-06 04:47:52,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:47:52,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:47:52,923 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:47:52,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:47:52,923 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:47:52,923 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:47:52,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:47:52,924 INFO L229 MonitoredProcess]: Starting monitored process 316 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:47:52,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (316)] Waiting until timeout for monitored process [2024-12-06 04:47:53,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:47:53,252 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:47:53,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:47:53,281 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:47:53,281 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:47:55,473 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 04:47:55,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (316)] Ended with exit code 0 [2024-12-06 04:47:55,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:47:55,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-12-06 04:47:55,615 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-12-06 04:47:55,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:47:55,615 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:47:55,615 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:47:55,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:47:55,617 INFO L229 MonitoredProcess]: Starting monitored process 317 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:47:55,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20947dc6-bb7a-4ee2-bc69-f5c7dbc5f170/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (317)] Waiting until timeout for monitored process [2024-12-06 04:47:55,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:47:55,950 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:47:55,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:47:55,977 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 04:47:55,978 INFO L279 TraceCheckSpWp]: Computing forward predicates...