./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 134b13cd1b8ac1dc8abd325434d56d90d6a754291c767bced87290501af7bb0e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:46:17,441 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:46:17,574 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:46:17,582 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:46:17,583 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:46:17,622 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:46:17,624 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:46:17,625 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:46:17,626 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:46:17,627 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:46:17,627 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:46:17,628 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:46:17,628 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:46:17,629 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:46:17,631 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:46:17,631 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:46:17,632 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:46:17,632 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:46:17,632 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:46:17,633 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:46:17,633 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:46:17,638 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:46:17,638 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:46:17,638 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:46:17,638 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:46:17,639 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:46:17,639 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:46:17,639 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:46:17,640 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:46:17,640 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:46:17,640 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:46:17,640 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:46:17,640 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:46:17,641 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 134b13cd1b8ac1dc8abd325434d56d90d6a754291c767bced87290501af7bb0e [2024-11-09 00:46:17,945 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:46:17,974 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:46:17,977 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:46:17,978 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:46:17,979 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:46:17,980 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i Unable to find full path for "g++" [2024-11-09 00:46:19,980 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:46:20,227 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:46:20,227 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i [2024-11-09 00:46:20,238 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/data/0e82dbe5d/16bda84793034f42a45bff448ff0e68a/FLAGe81c0beac [2024-11-09 00:46:20,254 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/data/0e82dbe5d/16bda84793034f42a45bff448ff0e68a [2024-11-09 00:46:20,257 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:46:20,259 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:46:20,260 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:46:20,261 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:46:20,267 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:46:20,268 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:46:20" (1/1) ... [2024-11-09 00:46:20,269 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a71d494 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:20, skipping insertion in model container [2024-11-09 00:46:20,269 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:46:20" (1/1) ... [2024-11-09 00:46:20,293 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:46:20,471 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_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i[915,928] [2024-11-09 00:46:20,503 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:46:20,515 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:46:20,530 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_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i[915,928] [2024-11-09 00:46:20,543 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:46:20,564 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:46:20,565 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:20 WrapperNode [2024-11-09 00:46:20,565 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:46:20,566 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:46:20,567 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:46:20,567 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:46:20,575 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:20" (1/1) ... [2024-11-09 00:46:20,584 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:20" (1/1) ... [2024-11-09 00:46:20,624 INFO L138 Inliner]: procedures = 26, calls = 19, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 81 [2024-11-09 00:46:20,624 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:46:20,625 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:46:20,625 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:46:20,625 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:46:20,647 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:20" (1/1) ... [2024-11-09 00:46:20,648 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:20" (1/1) ... [2024-11-09 00:46:20,651 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:20" (1/1) ... [2024-11-09 00:46:20,655 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:20" (1/1) ... [2024-11-09 00:46:20,665 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:20" (1/1) ... [2024-11-09 00:46:20,669 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:20" (1/1) ... [2024-11-09 00:46:20,671 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:20" (1/1) ... [2024-11-09 00:46:20,676 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:20" (1/1) ... [2024-11-09 00:46:20,678 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:46:20,683 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:46:20,683 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:46:20,684 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:46:20,686 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:20" (1/1) ... [2024-11-09 00:46:20,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:46:20,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:46:20,731 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:46:20,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:46:20,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:46:20,771 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 00:46:20,771 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 00:46:20,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:46:20,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:46:20,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:46:20,873 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:46:20,878 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:46:21,195 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-09 00:46:21,196 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:46:21,413 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:46:21,413 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:46:21,413 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:46:21 BoogieIcfgContainer [2024-11-09 00:46:21,414 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:46:21,415 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:46:21,415 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:46:21,426 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:46:21,427 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:46:21" (1/1) ... [2024-11-09 00:46:21,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:46:21,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:46:21,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2024-11-09 00:46:21,508 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2024-11-09 00:46:21,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:46:21,514 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:46:21,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:46:21,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:46:21,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:46:21,787 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:46:21,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:46:21,860 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:46:21,926 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:46:21 ImpRootNode [2024-11-09 00:46:21,926 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:46:21,927 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:46:21,927 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:46:21,927 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:46:21,928 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:46:21" (3/4) ... [2024-11-09 00:46:21,932 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:46:21,933 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:46:21,935 INFO L158 Benchmark]: Toolchain (without parser) took 1675.59ms. Allocated memory is still 163.6MB. Free memory was 134.4MB in the beginning and 70.8MB in the end (delta: 63.6MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2024-11-09 00:46:21,936 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 119.5MB. Free memory is still 80.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:46:21,937 INFO L158 Benchmark]: CACSL2BoogieTranslator took 305.23ms. Allocated memory is still 163.6MB. Free memory was 134.4MB in the beginning and 121.2MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:46:21,938 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.98ms. Allocated memory is still 163.6MB. Free memory was 121.2MB in the beginning and 119.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:46:21,940 INFO L158 Benchmark]: Boogie Preprocessor took 57.42ms. Allocated memory is still 163.6MB. Free memory was 119.1MB in the beginning and 117.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:46:21,940 INFO L158 Benchmark]: RCFGBuilder took 730.89ms. Allocated memory is still 163.6MB. Free memory was 117.3MB in the beginning and 90.6MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-09 00:46:21,942 INFO L158 Benchmark]: CodeCheck took 511.83ms. Allocated memory is still 163.6MB. Free memory was 90.6MB in the beginning and 71.2MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-09 00:46:21,942 INFO L158 Benchmark]: Witness Printer took 6.58ms. Allocated memory is still 163.6MB. Free memory was 71.2MB in the beginning and 70.8MB in the end (delta: 360.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:46:21,946 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 18 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 56, overapproximation of bitwiseAnd at line 36. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -16; [L23] signed long int var_1_6 = 10; [L24] unsigned char var_1_8 = 0; [L25] unsigned char var_1_9 = 4; [L26] float var_1_10 = 15.5; [L27] float var_1_11 = 99.125; [L28] signed short int var_1_12 = 2; [L29] signed long int last_1_var_1_1 = -16; [L60] isInitial = 1 [L61] FCALL initially() [L62] COND TRUE 1 [L63] CALL updateLastVariables() [L53] last_1_var_1_1 = var_1_1 [L63] RET updateLastVariables() [L64] CALL updateVariables() [L42] var_1_6 = __VERIFIER_nondet_long() [L43] CALL assume_abort_if_not(var_1_6 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-8, var_1_8=0, var_1_9=4] [L20] COND FALSE !(!cond) [L43] RET assume_abort_if_not(var_1_6 >= -2147483648) VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-8, var_1_8=0, var_1_9=4] [L44] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-8, var_1_8=0, var_1_9=4] [L20] COND FALSE !(!cond) [L44] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-8, var_1_8=0, var_1_9=4] [L45] CALL assume_abort_if_not(var_1_6 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-8, var_1_8=0, var_1_9=4] [L20] COND FALSE !(!cond) [L45] RET assume_abort_if_not(var_1_6 != 0) VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-8, var_1_8=0, var_1_9=4] [L46] var_1_9 = __VERIFIER_nondet_uchar() [L47] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-8, var_1_8=0] [L20] COND FALSE !(!cond) [L47] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-8, var_1_8=0] [L48] CALL assume_abort_if_not(var_1_9 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-8, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L48] RET assume_abort_if_not(var_1_9 <= 254) VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-8, var_1_8=0, var_1_9=2] [L49] var_1_11 = __VERIFIER_nondet_float() [L50] CALL assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_12=2, var_1_1=-16, var_1_6=-8, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L50] RET assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_12=2, var_1_1=-16, var_1_6=-8, var_1_8=0, var_1_9=2] [L64] RET updateVariables() [L65] CALL step() [L33] var_1_8 = var_1_9 [L34] var_1_10 = var_1_11 [L35] var_1_12 = var_1_9 [L36] EXPR var_1_8 & (var_1_12 * var_1_8) [L36] signed long int stepLocal_0 = var_1_8 & (var_1_12 * var_1_8); [L37] COND TRUE stepLocal_0 < (last_1_var_1_1 / var_1_6) [L38] var_1_1 = (var_1_8 + 256) [L65] RET step() [L66] CALL, EXPR property() [L56] EXPR var_1_8 & (var_1_12 * var_1_8) [L56-L57] return (((((var_1_8 & (var_1_12 * var_1_8)) < (last_1_var_1_1 / var_1_6)) ? (var_1_1 == ((signed long int) (var_1_8 + 256))) : 1) && (var_1_8 == ((unsigned char) var_1_9))) && (var_1_10 == ((float) var_1_11))) && (var_1_12 == ((signed short int) var_1_9)) ; [L66] RET, EXPR property() [L66] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=2, var_1_11=2, var_1_12=2, var_1_1=258, var_1_6=-8, var_1_8=2, var_1_9=2] [L19] reach_error() VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=2, var_1_11=2, var_1_12=2, var_1_1=258, var_1_6=-8, var_1_8=2, var_1_9=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 119.5MB. Free memory is still 80.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 305.23ms. Allocated memory is still 163.6MB. Free memory was 134.4MB in the beginning and 121.2MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.98ms. Allocated memory is still 163.6MB. Free memory was 121.2MB in the beginning and 119.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.42ms. Allocated memory is still 163.6MB. Free memory was 119.1MB in the beginning and 117.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 730.89ms. Allocated memory is still 163.6MB. Free memory was 117.3MB in the beginning and 90.6MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * CodeCheck took 511.83ms. Allocated memory is still 163.6MB. Free memory was 90.6MB in the beginning and 71.2MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 6.58ms. Allocated memory is still 163.6MB. Free memory was 71.2MB in the beginning and 70.8MB in the end (delta: 360.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:46:21,995 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 134b13cd1b8ac1dc8abd325434d56d90d6a754291c767bced87290501af7bb0e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:46:24,583 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:46:24,676 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-09 00:46:24,722 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:46:24,723 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:46:24,724 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:46:24,725 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:46:24,725 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:46:24,728 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:46:24,728 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:46:24,729 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:46:24,729 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:46:24,729 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:46:24,730 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:46:24,730 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:46:24,730 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:46:24,731 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:46:24,731 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:46:24,734 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:46:24,735 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:46:24,735 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:46:24,739 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:46:24,740 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:46:24,740 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:46:24,740 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:46:24,740 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:46:24,741 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:46:24,741 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:46:24,741 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:46:24,741 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:46:24,742 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:46:24,742 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:46:24,742 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:46:24,743 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:46:24,744 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:46:24,744 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:46:24,745 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 134b13cd1b8ac1dc8abd325434d56d90d6a754291c767bced87290501af7bb0e [2024-11-09 00:46:25,126 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:46:25,151 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:46:25,154 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:46:25,155 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:46:25,156 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:46:25,157 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i Unable to find full path for "g++" [2024-11-09 00:46:27,220 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:46:27,472 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:46:27,473 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i [2024-11-09 00:46:27,481 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/data/6b407597e/aa1f2b4c688242ea86699b4e8e4230c8/FLAG3a0281628 [2024-11-09 00:46:27,499 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/data/6b407597e/aa1f2b4c688242ea86699b4e8e4230c8 [2024-11-09 00:46:27,502 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:46:27,504 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:46:27,507 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:46:27,507 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:46:27,515 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:46:27,516 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:46:27" (1/1) ... [2024-11-09 00:46:27,520 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65a5fc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:27, skipping insertion in model container [2024-11-09 00:46:27,520 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:46:27" (1/1) ... [2024-11-09 00:46:27,549 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:46:27,793 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_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i[915,928] [2024-11-09 00:46:27,839 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:46:27,857 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:46:27,876 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_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i[915,928] [2024-11-09 00:46:27,896 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:46:27,926 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:46:27,926 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:27 WrapperNode [2024-11-09 00:46:27,926 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:46:27,927 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:46:27,927 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:46:27,928 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:46:27,936 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:27" (1/1) ... [2024-11-09 00:46:27,955 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:27" (1/1) ... [2024-11-09 00:46:27,989 INFO L138 Inliner]: procedures = 27, calls = 19, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 63 [2024-11-09 00:46:27,990 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:46:27,994 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:46:27,994 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:46:27,995 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:46:28,006 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:27" (1/1) ... [2024-11-09 00:46:28,007 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:27" (1/1) ... [2024-11-09 00:46:28,014 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:27" (1/1) ... [2024-11-09 00:46:28,017 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:27" (1/1) ... [2024-11-09 00:46:28,027 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:27" (1/1) ... [2024-11-09 00:46:28,031 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:27" (1/1) ... [2024-11-09 00:46:28,037 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:27" (1/1) ... [2024-11-09 00:46:28,038 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:27" (1/1) ... [2024-11-09 00:46:28,044 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:46:28,050 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:46:28,050 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:46:28,050 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:46:28,051 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:27" (1/1) ... [2024-11-09 00:46:28,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:46:28,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:46:28,092 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:46:28,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:46:28,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:46:28,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 00:46:28,156 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 00:46:28,156 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 00:46:28,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:46:28,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:46:28,267 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:46:28,269 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:46:28,641 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-09 00:46:28,641 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:46:28,743 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:46:28,743 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:46:28,744 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:46:28 BoogieIcfgContainer [2024-11-09 00:46:28,744 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:46:28,745 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:46:28,745 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:46:28,760 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:46:28,760 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:46:28" (1/1) ... [2024-11-09 00:46:28,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:46:28,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:46:28,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2024-11-09 00:46:28,829 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2024-11-09 00:46:28,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:46:28,837 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:46:28,838 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:46:28,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:46:28,841 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:46:28,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:46:29,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:29,171 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:46:29,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:29,271 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:46:29,280 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:46:30,263 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:46:30,270 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-09 00:46:30,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:46:30,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-11-09 00:46:30,689 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-11-09 00:46:30,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:46:30,690 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:46:30,690 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:46:30,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:46:30,693 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:46:30,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-09 00:46:30,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:30,993 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:46:31,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:31,060 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:46:31,063 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:46:31,745 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:46:31,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-09 00:46:31,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:46:31,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-11-09 00:46:31,771 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-11-09 00:46:31,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:46:31,772 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:46:31,773 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:46:31,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:46:31,776 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:46:31,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-09 00:46:32,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:32,142 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:46:32,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:32,199 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:46:32,202 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:46:32,837 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:46:32,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-09 00:46:32,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:46:32,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-11-09 00:46:32,860 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-11-09 00:46:32,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:46:32,861 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:46:32,861 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:46:32,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:46:32,864 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:46:32,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-09 00:46:33,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:33,226 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:46:33,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:33,295 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:46:33,297 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:46:33,792 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:46:33,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-09 00:46:33,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:46:33,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-11-09 00:46:33,810 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-11-09 00:46:33,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:46:33,811 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:46:33,811 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:46:33,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:46:33,814 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:46:33,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-09 00:46:34,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:34,138 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:46:34,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:34,245 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:46:34,248 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:46:34,710 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:46:34,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-09 00:46:34,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:46:34,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-11-09 00:46:34,727 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-11-09 00:46:34,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:46:34,728 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:46:34,728 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:46:34,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:46:34,731 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:46:34,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-09 00:46:35,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:35,031 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:46:35,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:35,086 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:46:35,088 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:46:35,693 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:46:35,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-09 00:46:35,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:46:35,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:46:35,969 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:46:35,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:46:35,970 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:46:35,970 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:46:35,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:46:35,973 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:46:35,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-09 00:46:36,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:36,312 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:46:36,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:36,372 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:46:36,373 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:46:36,829 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:46:36,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-09 00:46:36,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:46:36,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:46:36,848 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:46:36,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:46:36,851 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:46:36,851 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:46:36,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:46:36,854 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:46:36,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-09 00:46:37,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:37,237 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:46:37,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:37,330 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:46:37,332 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:46:37,800 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:46:37,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-09 00:46:37,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:46:37,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:46:37,816 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:46:37,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:46:37,817 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:46:37,817 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:46:37,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:46:37,820 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:46:37,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-09 00:46:38,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:38,100 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:46:38,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:38,146 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:46:38,148 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:46:38,644 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:46:38,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-09 00:46:38,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:46:38,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:46:38,660 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:46:38,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:46:38,661 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:46:38,661 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:46:38,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:46:38,665 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:46:38,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-09 00:46:38,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:38,933 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:46:38,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:38,986 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:46:38,988 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:46:39,461 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:46:39,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-09 00:46:39,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:46:39,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:46:39,475 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:46:39,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:46:39,479 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:46:39,479 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:46:39,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:46:39,482 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:46:39,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-09 00:46:39,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:39,784 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:46:39,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:39,841 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:46:39,842 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:46:40,204 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:46:40,211 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-11-09 00:46:40,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:46:40,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:46:40,220 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:46:40,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:46:40,221 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:46:40,221 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:46:40,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:46:40,225 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:46:40,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-09 00:46:40,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:40,563 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:46:40,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:40,627 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:46:40,628 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:46:40,997 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:46:41,002 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-09 00:46:41,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:46:41,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:46:41,007 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:46:41,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:46:41,008 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:46:41,010 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:46:41,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:46:41,015 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:46:41,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-09 00:46:41,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:41,288 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:46:41,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:41,368 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:46:41,369 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:46:41,767 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:46:41,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-09 00:46:41,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:46:41,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:46:41,776 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:46:41,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:46:41,777 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:46:41,777 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:46:41,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:46:41,780 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:46:41,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-09 00:46:42,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:42,045 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:46:42,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:42,082 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:46:42,083 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:46:42,418 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:46:42,421 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-09 00:46:42,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:46:42,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:46:42,427 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:46:42,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:46:42,428 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:46:42,428 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:46:42,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:46:42,431 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:46:42,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-09 00:46:42,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:42,826 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:46:42,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:42,903 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:46:42,904 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:46:43,202 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:46:43,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2024-11-09 00:46:43,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:46:43,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:46:43,213 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:46:43,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:46:43,213 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:46:43,214 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:46:43,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:46:43,218 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:46:43,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-09 00:46:43,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:43,465 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:46:43,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:43,505 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:46:43,507 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:46:43,844 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:46:43,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-09 00:46:43,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:46:43,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:46:43,858 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:46:43,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:46:43,859 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:46:43,860 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:46:43,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:46:43,863 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:46:43,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-09 00:46:44,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:44,134 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:46:44,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:44,194 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:46:44,195 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:46:44,606 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:46:44,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-09 00:46:44,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:46:44,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:46:44,617 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:46:44,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:46:44,617 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:46:44,618 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:46:44,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:46:44,619 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:46:44,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-09 00:46:44,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:44,898 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:46:44,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:44,968 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:46:44,970 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:46:45,294 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:46:45,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2024-11-09 00:46:45,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:46:45,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:46:45,309 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:46:45,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:46:45,310 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:46:45,310 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:46:45,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:46:45,314 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:46:45,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-09 00:46:45,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:45,577 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:46:45,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:45,610 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:46:45,611 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:46:45,918 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:46:45,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2024-11-09 00:46:45,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:46:45,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:46:45,926 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:46:45,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:46:45,927 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:46:45,927 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:46:45,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:46:45,930 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:46:45,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-09 00:46:46,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:46,184 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:46:46,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:46,264 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:46:46,265 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:46:46,572 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:46:46,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2024-11-09 00:46:46,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:46:46,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:46:46,585 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:46:46,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:46:46,587 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:46:46,588 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:46:46,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:46:46,591 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:46:46,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-09 00:46:46,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:46,838 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:46:46,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:46,907 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:46:46,908 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:46:47,194 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:46:47,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2024-11-09 00:46:47,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:46:47,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:46:47,200 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:46:47,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:46:47,201 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:46:47,201 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:46:47,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:46:47,203 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:46:47,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-09 00:46:47,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:47,457 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:46:47,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:47,493 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:46:47,495 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:46:47,769 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:46:47,774 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2024-11-09 00:46:47,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:46:47,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:46:47,780 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:46:47,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:46:47,781 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:46:47,781 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:46:47,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:46:47,787 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:46:47,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-09 00:46:48,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:48,162 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:46:48,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:48,223 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:46:48,224 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:46:48,597 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:46:48,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2024-11-09 00:46:48,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:46:48,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:46:48,612 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:46:48,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:46:48,612 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:46:48,613 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:46:48,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:46:48,617 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:46:48,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-09 00:46:48,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:48,940 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:46:48,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:48,990 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:46:48,991 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:46:49,409 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:46:49,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2024-11-09 00:46:49,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:46:49,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:46:49,419 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:46:49,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:46:49,420 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:46:49,420 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:46:49,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:46:49,423 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:46:49,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-09 00:46:49,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:49,767 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:46:49,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:49,807 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:46:49,808 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:46:50,072 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:46:50,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2024-11-09 00:46:50,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:46:50,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:46:50,083 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:46:50,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:46:50,083 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:46:50,084 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:46:50,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:46:50,086 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:46:50,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-09 00:46:50,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:50,364 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:46:50,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:50,399 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:46:50,400 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:46:50,840 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:46:50,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Forceful destruction successful, exit code 0 [2024-11-09 00:46:50,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:46:50,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:46:50,846 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:46:50,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:46:50,847 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:46:50,847 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:46:50,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:46:50,850 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:46:50,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-09 00:46:51,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:51,113 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:46:51,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:51,146 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:46:51,147 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:46:51,530 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:46:51,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-09 00:46:51,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:46:51,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:46:51,538 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:46:51,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:46:51,538 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:46:51,538 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:46:51,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:46:51,540 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:46:51,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-09 00:46:51,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:51,798 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:46:51,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:51,833 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:46:51,834 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:46:52,121 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:46:52,125 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-11-09 00:46:52,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:46:52,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:46:52,129 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:46:52,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:46:52,129 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:46:52,129 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:46:52,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:46:52,132 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:46:52,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-09 00:46:52,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:52,420 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:46:52,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:52,478 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:46:52,479 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:46:52,786 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:46:52,790 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-11-09 00:46:52,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:46:52,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:46:52,794 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:46:52,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:46:52,795 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:46:52,795 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:46:52,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:46:52,798 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:46:52,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-09 00:46:53,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:53,127 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:46:53,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:53,165 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:46:53,166 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:46:53,428 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:46:53,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (31)] Forceful destruction successful, exit code 0 [2024-11-09 00:46:53,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:46:53,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:46:53,435 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:46:53,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:46:53,436 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:46:53,436 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:46:53,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:46:53,437 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:46:53,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-09 00:46:53,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:53,699 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:46:53,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:53,753 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:46:53,754 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:46:54,054 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:46:54,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (32)] Forceful destruction successful, exit code 0 [2024-11-09 00:46:54,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:46:54,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:46:54,061 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:46:54,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:46:54,062 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:46:54,062 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:46:54,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:46:54,064 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:46:54,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-09 00:46:54,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:54,316 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:46:54,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:54,352 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:46:54,353 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:46:54,683 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:46:54,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-11-09 00:46:54,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:46:54,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:46:54,690 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:46:54,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:46:54,690 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:46:54,690 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:46:54,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:46:54,695 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:46:54,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-09 00:46:54,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:54,929 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:46:54,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:54,959 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:46:54,961 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:46:55,234 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:46:55,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (34)] Forceful destruction successful, exit code 0 [2024-11-09 00:46:55,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:46:55,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:46:55,240 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:46:55,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:46:55,240 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:46:55,240 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:46:55,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:46:55,243 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:46:55,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-09 00:46:55,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:55,535 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:46:55,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:55,593 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:46:55,595 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:46:55,883 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:46:55,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (35)] Forceful destruction successful, exit code 0 [2024-11-09 00:46:55,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:46:55,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:46:55,891 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:46:55,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:46:55,891 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:46:55,892 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:46:55,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:46:55,895 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:46:55,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-09 00:46:56,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:56,153 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:46:56,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:56,189 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:46:56,191 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:46:56,543 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:46:56,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (36)] Forceful destruction successful, exit code 0 [2024-11-09 00:46:56,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:46:56,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:46:56,550 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:46:56,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:46:56,551 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:46:56,551 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:46:56,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:46:56,552 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:46:56,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-09 00:46:56,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:56,835 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:46:56,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:56,895 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:46:56,896 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:46:57,198 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:46:57,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (37)] Forceful destruction successful, exit code 0 [2024-11-09 00:46:57,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:46:57,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:46:57,204 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:46:57,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:46:57,205 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:46:57,205 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:46:57,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:46:57,206 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:46:57,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-09 00:46:57,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:57,462 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:46:57,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:57,501 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:46:57,502 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:46:57,787 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:46:57,791 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (38)] Forceful destruction successful, exit code 0 [2024-11-09 00:46:57,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:46:57,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:46:57,794 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:46:57,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:46:57,795 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:46:57,795 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:46:57,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:46:57,798 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:46:57,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-09 00:46:58,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:58,057 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:46:58,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:58,092 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:46:58,093 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:46:58,389 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:46:58,392 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (39)] Forceful destruction successful, exit code 0 [2024-11-09 00:46:58,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:46:58,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:46:58,396 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:46:58,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:46:58,396 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:46:58,397 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:46:58,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:46:58,398 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:46:58,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-09 00:46:58,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:58,650 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:46:58,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:58,731 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:46:58,732 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:46:59,026 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:46:59,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (40)] Forceful destruction successful, exit code 0 [2024-11-09 00:46:59,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:46:59,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:46:59,032 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:46:59,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:46:59,033 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:46:59,033 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:46:59,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:46:59,035 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:46:59,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-09 00:46:59,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:59,288 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:46:59,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:59,325 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:46:59,326 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:46:59,567 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:46:59,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-11-09 00:46:59,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:46:59,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:46:59,575 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:46:59,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:46:59,575 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:46:59,576 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:46:59,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:46:59,577 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:46:59,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-11-09 00:46:59,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:59,846 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:46:59,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:59,903 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:46:59,904 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:00,214 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:00,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (42)] Forceful destruction successful, exit code 0 [2024-11-09 00:47:00,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:00,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:00,220 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:00,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:00,220 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:00,221 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:00,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:00,224 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:00,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-11-09 00:47:00,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:00,485 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:00,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:00,544 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:00,546 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:00,835 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:00,838 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-11-09 00:47:00,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:00,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:00,842 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:00,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:00,842 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:00,843 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:00,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:00,845 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:00,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-11-09 00:47:01,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:01,115 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:01,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:01,189 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:01,190 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:01,493 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:01,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (44)] Forceful destruction successful, exit code 0 [2024-11-09 00:47:01,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:01,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:01,503 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:01,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:01,503 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:01,503 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:01,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:01,509 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:01,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-11-09 00:47:01,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:01,772 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:01,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:01,808 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:01,809 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:02,203 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:02,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (45)] Forceful destruction successful, exit code 0 [2024-11-09 00:47:02,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:02,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:02,209 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:02,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:02,209 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:02,210 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:02,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:02,211 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:02,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-11-09 00:47:02,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:02,477 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:02,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:02,545 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:47:02,546 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:02,954 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:47:02,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (46)] Forceful destruction successful, exit code 0 [2024-11-09 00:47:02,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:02,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:02,965 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:02,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:02,965 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:02,966 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:02,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:02,969 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:02,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-11-09 00:47:03,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:03,315 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:03,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:03,391 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:03,393 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:03,689 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:03,691 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2024-11-09 00:47:03,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:03,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:03,694 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:03,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:03,695 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:03,695 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:03,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:03,698 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:03,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-11-09 00:47:04,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:04,018 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:04,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:04,066 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:04,068 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:04,436 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:04,439 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (48)] Forceful destruction successful, exit code 0 [2024-11-09 00:47:04,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:04,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:04,441 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:04,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:04,442 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:04,442 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:04,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:04,443 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:04,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-11-09 00:47:04,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:04,715 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:04,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:04,756 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:04,757 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:05,046 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:05,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (49)] Forceful destruction successful, exit code 0 [2024-11-09 00:47:05,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:05,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:05,053 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:05,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:05,053 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:05,054 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:05,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:05,055 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:05,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-11-09 00:47:05,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:05,323 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:05,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:05,357 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:05,358 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:05,693 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:05,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (50)] Forceful destruction successful, exit code 0 [2024-11-09 00:47:05,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:05,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:05,699 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:05,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:05,699 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:05,699 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:05,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:05,702 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:05,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-11-09 00:47:05,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:05,948 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:05,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:05,985 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:47:05,985 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:06,255 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:47:06,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2024-11-09 00:47:06,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:06,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:06,261 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:06,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:06,261 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:06,261 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:06,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:06,262 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:06,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-11-09 00:47:06,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:06,520 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:06,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:06,551 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:06,552 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:06,886 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:06,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (52)] Forceful destruction successful, exit code 0 [2024-11-09 00:47:06,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:06,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:06,893 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:06,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:06,893 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:06,894 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:06,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:06,898 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:06,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-11-09 00:47:07,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:07,154 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:07,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:07,226 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:07,227 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:07,549 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:07,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2024-11-09 00:47:07,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:07,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:07,554 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:07,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:07,555 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:07,555 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:07,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:07,556 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:07,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-11-09 00:47:07,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:07,805 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:07,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:07,882 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:07,883 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:08,319 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:08,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (54)] Forceful destruction successful, exit code 0 [2024-11-09 00:47:08,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:08,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:08,329 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:08,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:08,332 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:08,332 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:08,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:08,334 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:08,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-11-09 00:47:08,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:08,596 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:08,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:08,625 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:08,626 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:08,935 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:08,938 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (55)] Forceful destruction successful, exit code 0 [2024-11-09 00:47:08,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:08,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:08,941 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:08,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:08,941 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:08,941 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:08,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:08,944 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:08,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-11-09 00:47:09,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:09,203 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:09,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:09,257 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:09,258 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:09,554 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:09,557 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2024-11-09 00:47:09,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:09,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:09,560 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:09,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:09,561 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:09,561 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:09,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:09,563 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:09,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-11-09 00:47:09,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:09,817 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:09,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:09,887 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:09,888 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:10,162 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:10,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2024-11-09 00:47:10,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:10,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:10,168 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:10,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:10,168 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:10,168 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:10,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:10,169 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:10,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-11-09 00:47:10,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:10,420 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:10,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:10,473 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:10,474 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:10,784 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:10,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (58)] Forceful destruction successful, exit code 0 [2024-11-09 00:47:10,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:10,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:10,790 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:10,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:10,790 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:10,790 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:10,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:10,791 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:10,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-11-09 00:47:11,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:11,036 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:11,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:11,068 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:11,069 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:11,387 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:11,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (59)] Forceful destruction successful, exit code 0 [2024-11-09 00:47:11,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:11,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:11,395 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:11,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:11,395 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:11,395 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:11,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:11,397 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:11,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-11-09 00:47:11,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:11,685 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:11,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:11,751 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:11,752 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:12,078 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:12,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (60)] Forceful destruction successful, exit code 0 [2024-11-09 00:47:12,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:12,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:12,083 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:12,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:12,084 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:12,084 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:12,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:12,085 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:12,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-11-09 00:47:12,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:12,329 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:12,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:12,373 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:47:12,374 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:12,730 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:47:12,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (61)] Forceful destruction successful, exit code 0 [2024-11-09 00:47:12,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:12,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:12,742 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:12,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:12,742 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:12,743 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:12,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:12,752 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:12,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2024-11-09 00:47:13,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:13,038 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:13,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:13,069 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:13,070 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:13,372 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:13,375 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (62)] Forceful destruction successful, exit code 0 [2024-11-09 00:47:13,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:13,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:13,378 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:13,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:13,378 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:13,378 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:13,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:13,381 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:13,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2024-11-09 00:47:13,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:13,627 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:13,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:13,695 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:13,696 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:13,976 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:13,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2024-11-09 00:47:13,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:13,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:13,981 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:13,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:13,982 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:13,982 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:13,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:13,986 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:13,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2024-11-09 00:47:14,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:14,226 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:14,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:14,260 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:14,261 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:14,536 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:14,539 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2024-11-09 00:47:14,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:14,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:14,542 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:14,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:14,542 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:14,543 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:14,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:14,545 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:14,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2024-11-09 00:47:14,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:14,828 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:14,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:14,870 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:47:14,871 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:15,136 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:47:15,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2024-11-09 00:47:15,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:15,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:15,142 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:15,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:15,143 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:15,143 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:15,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:15,144 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:15,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2024-11-09 00:47:15,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:15,388 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:15,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:15,446 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:15,448 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:15,727 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:15,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2024-11-09 00:47:15,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:15,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:15,734 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:15,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:15,734 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:15,734 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:15,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:15,736 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:15,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2024-11-09 00:47:16,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:16,018 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:16,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:16,067 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:16,068 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:16,359 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:16,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2024-11-09 00:47:16,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:16,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:16,365 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:16,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:16,366 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:16,366 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:16,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:16,368 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:16,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2024-11-09 00:47:16,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:16,630 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:16,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:16,685 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:16,686 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:17,018 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:17,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2024-11-09 00:47:17,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:17,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:17,024 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:17,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:17,024 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:17,024 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:17,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:17,025 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:17,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2024-11-09 00:47:17,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:17,258 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:17,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:17,300 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:17,301 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:17,569 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:17,572 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (69)] Forceful destruction successful, exit code 0 [2024-11-09 00:47:17,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:17,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:17,575 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:17,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:17,575 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:17,575 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:17,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:17,578 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:17,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2024-11-09 00:47:17,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:17,814 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:17,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:17,844 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:17,846 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:18,157 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:18,160 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (70)] Forceful destruction successful, exit code 0 [2024-11-09 00:47:18,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:18,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:18,163 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:18,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:18,163 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:18,163 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:18,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:18,164 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:18,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2024-11-09 00:47:18,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:18,418 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:18,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:18,468 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:18,469 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:18,821 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:18,824 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (71)] Forceful destruction successful, exit code 0 [2024-11-09 00:47:18,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:18,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:18,827 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:18,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:18,827 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:18,827 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:18,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:18,829 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:18,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2024-11-09 00:47:19,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:19,070 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:19,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:19,126 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:47:19,128 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:19,415 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:47:19,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2024-11-09 00:47:19,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:19,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:19,421 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:19,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:19,422 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:19,422 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:19,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:19,427 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:19,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2024-11-09 00:47:19,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:19,665 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:19,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:19,697 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:19,699 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:20,032 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:20,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (73)] Forceful destruction successful, exit code 0 [2024-11-09 00:47:20,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:20,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:20,037 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:20,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:20,038 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:20,038 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:20,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:20,039 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:20,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2024-11-09 00:47:20,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:20,279 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:20,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:20,324 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:20,325 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:20,606 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:20,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2024-11-09 00:47:20,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:20,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:20,612 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:20,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:20,612 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:20,612 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:20,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:20,617 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:20,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2024-11-09 00:47:20,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:20,885 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:20,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:20,919 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:47:20,920 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:21,146 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:47:21,149 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (75)] Forceful destruction successful, exit code 0 [2024-11-09 00:47:21,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:21,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:21,152 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:21,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:21,152 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:21,152 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:21,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:21,153 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:21,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2024-11-09 00:47:21,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:21,426 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:21,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:21,457 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:21,458 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:21,738 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:21,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2024-11-09 00:47:21,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:21,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:21,744 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:21,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:21,744 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:21,744 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:21,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:21,745 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:21,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2024-11-09 00:47:21,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:21,977 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:22,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:22,030 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:22,031 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:22,306 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:22,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2024-11-09 00:47:22,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:22,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:22,311 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:22,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:22,311 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:22,312 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:22,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:22,313 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:22,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2024-11-09 00:47:22,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:22,603 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:22,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:22,696 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:22,697 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:23,049 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:23,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (78)] Forceful destruction successful, exit code 0 [2024-11-09 00:47:23,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:23,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:23,055 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:23,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:23,056 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:23,056 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:23,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:23,058 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:23,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2024-11-09 00:47:23,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:23,306 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:23,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:23,342 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:47:23,343 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:23,566 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:47:23,570 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2024-11-09 00:47:23,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:23,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:23,572 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:23,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:23,572 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:23,572 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:23,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:23,573 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:23,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2024-11-09 00:47:23,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:23,817 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:23,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:23,850 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:23,851 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:24,184 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:24,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2024-11-09 00:47:24,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:24,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:24,189 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:24,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:24,190 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:24,190 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:24,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:24,193 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:24,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2024-11-09 00:47:24,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:24,423 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:24,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:24,477 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:24,478 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:24,808 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:24,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (81)] Forceful destruction successful, exit code 0 [2024-11-09 00:47:24,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:24,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:24,815 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:24,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:24,816 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:24,816 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:24,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:24,817 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:24,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2024-11-09 00:47:25,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:25,069 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:25,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:25,119 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:25,120 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:25,397 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:25,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2024-11-09 00:47:25,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:25,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:25,405 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:25,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:25,406 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:25,406 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:25,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:25,408 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:25,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2024-11-09 00:47:25,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:25,764 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:25,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:25,810 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:25,811 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:26,078 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:26,083 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2024-11-09 00:47:26,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:26,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:26,085 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:26,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:26,085 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:26,085 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:26,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:26,086 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:26,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2024-11-09 00:47:26,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:26,322 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:26,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:26,356 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:26,356 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:26,603 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:26,606 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (84)] Forceful destruction successful, exit code 0 [2024-11-09 00:47:26,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:26,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:26,608 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:26,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:26,609 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:26,609 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:26,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:26,611 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:26,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2024-11-09 00:47:26,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:26,843 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:26,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:26,878 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:47:26,880 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:27,122 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:47:27,125 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2024-11-09 00:47:27,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:27,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:27,127 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:27,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:27,128 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:27,128 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:27,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:27,133 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:27,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2024-11-09 00:47:27,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:27,386 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:27,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:27,422 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:27,423 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:27,732 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:27,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (86)] Forceful destruction successful, exit code 0 [2024-11-09 00:47:27,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:27,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:27,738 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:27,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:27,738 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:27,738 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:27,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:27,739 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:27,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2024-11-09 00:47:27,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:27,977 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:28,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:28,022 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:28,024 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:28,350 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:28,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2024-11-09 00:47:28,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:28,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:28,356 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:28,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:28,356 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:28,356 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:28,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:28,359 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:28,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2024-11-09 00:47:28,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:28,594 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:28,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:28,650 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:28,651 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:28,979 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:28,982 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (88)] Forceful destruction successful, exit code 0 [2024-11-09 00:47:28,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:28,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:28,984 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:28,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:28,984 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:28,984 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:28,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:28,985 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:28,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2024-11-09 00:47:29,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:29,220 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:29,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:29,267 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:29,268 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:29,541 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:29,545 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2024-11-09 00:47:29,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:29,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:29,548 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:29,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:29,548 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:29,548 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:29,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:29,551 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:29,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2024-11-09 00:47:29,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:29,799 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:29,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:29,832 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:29,833 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:30,119 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:30,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2024-11-09 00:47:30,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:30,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:30,124 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:30,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:30,125 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:30,125 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:30,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:30,126 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:30,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2024-11-09 00:47:30,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:30,366 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:30,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:30,422 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:30,423 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:30,767 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:30,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2024-11-09 00:47:30,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:30,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:30,772 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:30,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:30,773 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:30,773 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:30,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:30,774 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:30,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2024-11-09 00:47:31,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:31,007 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:31,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:31,051 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:31,052 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:31,318 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:31,322 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (92)] Forceful destruction successful, exit code 0 [2024-11-09 00:47:31,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:31,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:31,324 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:31,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:31,324 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:31,324 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:31,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:31,325 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:31,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2024-11-09 00:47:31,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:31,558 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:31,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:31,598 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:31,599 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:31,865 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:31,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2024-11-09 00:47:31,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:31,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:31,870 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:31,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:31,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:31,870 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:31,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:31,875 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:31,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2024-11-09 00:47:32,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:32,122 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:32,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:32,180 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:32,181 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:32,460 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:32,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2024-11-09 00:47:32,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:32,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:32,466 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:32,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:32,466 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:32,467 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:32,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:32,469 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:32,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2024-11-09 00:47:32,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:32,788 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:32,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:32,864 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:32,865 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:33,214 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:33,217 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2024-11-09 00:47:33,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:33,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:33,219 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:33,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:33,220 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:33,220 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:33,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:33,221 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:33,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2024-11-09 00:47:33,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:33,453 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:33,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:33,484 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:33,485 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:33,741 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:33,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (96)] Forceful destruction successful, exit code 0 [2024-11-09 00:47:33,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:33,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:33,747 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:33,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:33,747 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:33,747 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:33,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:33,750 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:33,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2024-11-09 00:47:33,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:33,983 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:34,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:34,016 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:34,017 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:34,282 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:34,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (97)] Forceful destruction successful, exit code 0 [2024-11-09 00:47:34,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:34,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:34,287 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:34,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:34,287 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:34,287 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:34,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:34,288 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:34,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2024-11-09 00:47:34,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:34,525 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:34,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:34,618 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:34,619 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:34,923 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:34,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2024-11-09 00:47:34,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:34,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:34,929 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:34,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:34,929 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:34,929 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:34,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:34,930 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:34,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2024-11-09 00:47:35,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:35,206 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:35,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:35,252 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:35,253 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:35,556 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:35,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2024-11-09 00:47:35,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:35,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:35,561 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:35,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:35,561 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:35,561 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:35,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:35,565 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:35,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2024-11-09 00:47:35,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:35,813 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:35,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:35,853 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:35,854 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:36,131 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:36,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2024-11-09 00:47:36,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:36,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:36,136 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:36,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:36,137 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:36,137 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:36,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:36,142 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:36,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2024-11-09 00:47:36,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:36,385 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:36,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:36,459 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:36,460 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:36,774 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:36,777 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (101)] Forceful destruction successful, exit code 0 [2024-11-09 00:47:36,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:36,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:36,779 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:36,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:36,780 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:36,780 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:36,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:36,783 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:36,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2024-11-09 00:47:37,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:37,021 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:37,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:37,067 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:37,068 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:37,323 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:37,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2024-11-09 00:47:37,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:37,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:37,328 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:37,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:37,328 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:37,328 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:37,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:37,329 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:37,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2024-11-09 00:47:37,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:37,559 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:37,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:37,606 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:37,607 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:37,881 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:37,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2024-11-09 00:47:37,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:37,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:37,886 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:37,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:37,886 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:37,886 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:37,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:37,891 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:37,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2024-11-09 00:47:38,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:38,152 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:38,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:38,238 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:38,239 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:38,610 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:38,613 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2024-11-09 00:47:38,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:38,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:38,615 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:38,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:38,616 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:38,616 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:38,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:38,618 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:38,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2024-11-09 00:47:38,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:38,857 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:38,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:38,888 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:38,889 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:39,174 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:39,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2024-11-09 00:47:39,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:39,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:39,179 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:39,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:39,180 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:39,180 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:39,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:39,182 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:39,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2024-11-09 00:47:39,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:39,433 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:39,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:39,464 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:39,465 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:39,728 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:39,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (106)] Forceful destruction successful, exit code 0 [2024-11-09 00:47:39,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:39,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:39,732 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:39,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:39,733 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:39,733 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:39,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:39,734 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:39,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2024-11-09 00:47:39,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:39,966 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:40,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:40,037 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:40,037 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:40,339 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:40,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (107)] Forceful destruction successful, exit code 0 [2024-11-09 00:47:40,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:40,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:40,345 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:40,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:40,346 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:40,346 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:40,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:40,349 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:40,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2024-11-09 00:47:40,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:40,581 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:40,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:40,615 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:40,616 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:40,890 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:40,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2024-11-09 00:47:40,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:40,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:40,895 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:40,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:40,896 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:40,896 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:40,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:40,897 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:40,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2024-11-09 00:47:41,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:41,131 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:41,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:41,197 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:41,198 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:41,498 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:41,501 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (109)] Forceful destruction successful, exit code 0 [2024-11-09 00:47:41,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:41,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:41,503 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:41,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:41,503 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:41,503 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:41,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:41,505 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:41,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2024-11-09 00:47:41,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:41,759 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:41,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:41,791 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:41,792 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:42,068 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:42,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2024-11-09 00:47:42,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:42,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:42,073 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:42,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:42,073 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:42,073 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:42,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:42,074 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:42,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2024-11-09 00:47:42,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:42,335 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:42,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:42,366 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:42,367 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:42,680 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:42,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2024-11-09 00:47:42,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:42,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:42,685 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:42,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:42,685 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:42,685 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:42,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:42,686 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:42,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2024-11-09 00:47:42,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:42,984 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:43,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:43,019 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:47:43,020 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:43,241 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:47:43,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2024-11-09 00:47:43,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:43,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:43,246 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:43,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:43,247 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:43,247 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:43,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:43,248 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:43,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2024-11-09 00:47:43,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:43,520 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:43,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:43,625 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:43,627 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:43,978 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:43,982 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (113)] Forceful destruction successful, exit code 0 [2024-11-09 00:47:43,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:43,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:43,985 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:43,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:43,985 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:43,985 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:43,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:43,986 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:43,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2024-11-09 00:47:44,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:44,224 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:44,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:44,265 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:44,267 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:44,570 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:44,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2024-11-09 00:47:44,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:44,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:44,577 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:44,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:44,577 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:44,578 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:44,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:44,582 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:44,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2024-11-09 00:47:44,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:44,829 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:44,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:44,861 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:44,862 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:45,141 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:45,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (115)] Forceful destruction successful, exit code 0 [2024-11-09 00:47:45,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:45,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:45,148 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:45,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:45,149 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:45,149 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:45,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:45,152 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:45,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2024-11-09 00:47:45,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:45,397 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:45,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:45,451 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:45,452 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:45,718 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:45,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2024-11-09 00:47:45,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:45,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:45,724 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:45,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:45,724 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:45,724 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:45,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:45,725 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:45,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2024-11-09 00:47:45,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:45,960 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:45,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:45,991 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:45,993 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:46,286 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:46,288 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (117)] Ended with exit code 0 [2024-11-09 00:47:46,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:46,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:46,290 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:46,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:46,291 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:46,291 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:46,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:46,292 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:46,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2024-11-09 00:47:46,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:46,525 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:46,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:46,601 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:46,602 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:46,869 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:46,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (118)] Forceful destruction successful, exit code 0 [2024-11-09 00:47:46,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:46,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:46,875 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:46,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:46,875 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:46,875 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:46,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:46,879 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:46,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2024-11-09 00:47:47,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:47,113 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:47,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:47,147 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:47:47,148 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:47,381 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:47:47,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (119)] Ended with exit code 0 [2024-11-09 00:47:47,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:47,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:47,386 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:47,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:47,386 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:47,386 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:47,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:47,387 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:47,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2024-11-09 00:47:47,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:47,620 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:47,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:47,694 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:47,695 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:47,998 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:48,000 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (120)] Ended with exit code 0 [2024-11-09 00:47:48,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:48,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:48,003 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:48,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:48,003 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:48,003 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:48,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:48,004 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:48,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2024-11-09 00:47:48,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:48,252 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:48,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:48,284 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:48,285 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:48,590 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:48,593 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (121)] Forceful destruction successful, exit code 0 [2024-11-09 00:47:48,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:48,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:48,596 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:48,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:48,596 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:48,596 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:48,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:48,599 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:48,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2024-11-09 00:47:48,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:48,855 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:48,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:48,886 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:48,887 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:49,174 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:49,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (122)] Forceful destruction successful, exit code 0 [2024-11-09 00:47:49,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:49,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:49,181 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:49,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:49,181 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:49,181 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:49,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:49,184 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:49,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2024-11-09 00:47:49,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:49,422 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:49,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:49,455 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:49,456 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:49,793 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:49,796 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (123)] Ended with exit code 0 [2024-11-09 00:47:49,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:49,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:49,798 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:49,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:49,798 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:49,798 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:49,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:49,799 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:49,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2024-11-09 00:47:50,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:50,035 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:50,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:50,102 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:50,103 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:50,370 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:50,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (124)] Forceful destruction successful, exit code 0 [2024-11-09 00:47:50,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:50,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:50,375 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:50,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:50,375 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:50,375 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:50,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:50,376 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:50,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2024-11-09 00:47:50,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:50,608 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:50,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:50,640 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:50,641 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:50,909 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:50,912 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (125)] Ended with exit code 0 [2024-11-09 00:47:50,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:50,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:50,914 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:50,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:50,914 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:50,914 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:50,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:50,916 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:50,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2024-11-09 00:47:51,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:51,152 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:51,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:51,192 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:51,193 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:51,516 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:51,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (126)] Forceful destruction successful, exit code 0 [2024-11-09 00:47:51,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:51,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:51,521 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:51,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:51,522 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:51,522 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:51,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:51,523 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:51,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2024-11-09 00:47:51,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:51,772 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:51,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:51,801 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:51,802 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:52,044 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:52,047 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (127)] Ended with exit code 0 [2024-11-09 00:47:52,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:52,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:52,049 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:52,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:52,050 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:52,050 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:52,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:52,051 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:52,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2024-11-09 00:47:52,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:52,287 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:52,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:52,320 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:52,321 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:52,589 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:52,592 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (128)] Ended with exit code 0 [2024-11-09 00:47:52,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:52,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:52,595 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:52,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:52,595 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:52,595 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:52,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:52,596 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:52,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2024-11-09 00:47:52,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:52,833 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:52,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:52,869 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:47:52,870 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:53,095 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:47:53,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (129)] Ended with exit code 0 [2024-11-09 00:47:53,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:53,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:53,106 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:53,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:53,106 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:53,106 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:53,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:53,109 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:53,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2024-11-09 00:47:53,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:53,341 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:53,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:53,431 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:53,432 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:53,691 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:53,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (130)] Forceful destruction successful, exit code 0 [2024-11-09 00:47:53,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:53,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:53,697 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:53,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:53,697 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:53,698 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:53,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:53,700 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:53,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2024-11-09 00:47:54,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:54,030 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:54,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:54,088 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:54,088 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:54,347 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:54,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (131)] Ended with exit code 0 [2024-11-09 00:47:54,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:54,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:54,353 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:54,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:54,353 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:54,353 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:54,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:54,356 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:54,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2024-11-09 00:47:54,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:54,602 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:54,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:54,634 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:54,635 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:54,900 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:54,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (132)] Ended with exit code 0 [2024-11-09 00:47:54,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:54,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:54,906 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:54,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:54,906 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:54,907 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:54,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:54,908 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:54,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2024-11-09 00:47:55,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:55,266 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:55,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:55,352 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:55,353 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:55,620 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:55,623 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (133)] Exception during sending of exit command (exit): Broken pipe [2024-11-09 00:47:55,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (133)] Ended with exit code 0 [2024-11-09 00:47:55,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:55,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:55,625 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:55,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:55,626 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:55,626 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:55,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:55,627 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:55,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2024-11-09 00:47:55,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:55,857 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:55,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:55,924 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:55,925 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:56,216 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:56,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2024-11-09 00:47:56,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:56,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:56,221 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:56,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:56,221 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:56,221 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:56,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:56,222 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:56,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2024-11-09 00:47:56,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:56,454 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:56,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:56,489 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:47:56,490 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:56,727 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:47:56,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (135)] Ended with exit code 0 [2024-11-09 00:47:56,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:56,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:56,732 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:56,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:56,732 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:56,732 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:56,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:56,735 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:56,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2024-11-09 00:47:56,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:56,976 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:57,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:57,008 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:57,009 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:57,270 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:57,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (136)] Ended with exit code 0 [2024-11-09 00:47:57,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:57,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:57,275 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:57,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:57,275 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:57,275 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:57,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:57,276 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:57,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2024-11-09 00:47:57,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:57,506 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:57,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:57,558 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:57,559 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:57,829 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:57,833 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (137)] Ended with exit code 0 [2024-11-09 00:47:57,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:57,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:57,836 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:57,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:57,837 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:57,837 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:57,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:57,839 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:57,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2024-11-09 00:47:58,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:58,127 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:58,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:58,163 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:58,164 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:58,436 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:58,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (138)] Ended with exit code 0 [2024-11-09 00:47:58,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:58,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:58,441 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:58,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:58,441 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:58,442 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:58,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:58,443 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:58,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process [2024-11-09 00:47:58,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:58,683 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:58,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:58,734 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:58,735 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:59,034 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:47:59,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (139)] Ended with exit code 0 [2024-11-09 00:47:59,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:59,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:59,039 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:59,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:59,040 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:59,040 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:59,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:59,041 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:59,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2024-11-09 00:47:59,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:59,282 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:59,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:59,316 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:47:59,317 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:59,541 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:47:59,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (140)] Ended with exit code 0 [2024-11-09 00:47:59,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:59,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:47:59,546 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:47:59,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:47:59,546 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:59,546 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:59,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:59,547 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:59,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (141)] Waiting until timeout for monitored process [2024-11-09 00:47:59,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:59,783 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:59,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:59,813 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:47:59,814 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:00,091 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:00,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (141)] Forceful destruction successful, exit code 0 [2024-11-09 00:48:00,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:00,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:00,096 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:00,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:00,096 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:00,096 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:00,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:00,097 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:00,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2024-11-09 00:48:00,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:00,328 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:00,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:00,363 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:48:00,364 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:00,633 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:48:00,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (142)] Ended with exit code 0 [2024-11-09 00:48:00,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:00,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:00,639 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:00,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:00,639 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:00,639 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:00,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:00,640 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:00,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (143)] Waiting until timeout for monitored process [2024-11-09 00:48:00,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:00,870 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:00,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:00,982 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:00,983 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:01,238 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:01,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (143)] Ended with exit code 0 [2024-11-09 00:48:01,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:01,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:01,243 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:01,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:01,244 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:01,244 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:01,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:01,247 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:01,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2024-11-09 00:48:01,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:01,479 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:01,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:01,511 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:01,512 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:01,800 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:01,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (144)] Ended with exit code 0 [2024-11-09 00:48:01,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:01,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:01,807 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:01,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:01,807 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:01,807 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:01,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:01,812 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:01,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (145)] Waiting until timeout for monitored process [2024-11-09 00:48:02,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:02,052 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:02,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:02,115 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:02,116 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:02,415 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:02,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (145)] Ended with exit code 0 [2024-11-09 00:48:02,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:02,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:02,420 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:02,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:02,420 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:02,420 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:02,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:02,423 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:02,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2024-11-09 00:48:02,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:02,661 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:02,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:02,689 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:02,690 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:02,985 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:02,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (146)] Forceful destruction successful, exit code 0 [2024-11-09 00:48:02,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:02,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:02,991 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:02,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:02,991 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:02,991 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:02,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:02,994 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:02,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (147)] Waiting until timeout for monitored process [2024-11-09 00:48:03,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:03,235 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:03,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:03,264 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:03,265 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:03,615 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:03,618 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (147)] Ended with exit code 0 [2024-11-09 00:48:03,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:03,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:03,620 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:03,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:03,621 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:03,621 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:03,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:03,623 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:03,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process [2024-11-09 00:48:03,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:03,896 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:03,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:03,947 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:03,949 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:04,276 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:04,279 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (148)] Forceful destruction successful, exit code 0 [2024-11-09 00:48:04,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:04,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:04,282 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:04,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:04,282 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:04,283 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:04,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:04,284 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:04,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (149)] Waiting until timeout for monitored process [2024-11-09 00:48:04,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:04,516 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:04,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:04,562 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:04,563 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:04,863 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:04,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (149)] Forceful destruction successful, exit code 0 [2024-11-09 00:48:04,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:04,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:04,870 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:04,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:04,871 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:04,871 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:04,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:04,872 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:04,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (150)] Waiting until timeout for monitored process [2024-11-09 00:48:05,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:05,114 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:05,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:05,146 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:05,147 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:05,415 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:05,417 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (150)] Forceful destruction successful, exit code 0 [2024-11-09 00:48:05,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:05,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:05,419 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:05,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:05,420 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:05,420 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:05,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:05,421 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:05,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (151)] Waiting until timeout for monitored process [2024-11-09 00:48:05,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:05,655 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:05,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:05,703 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:05,704 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:06,053 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:06,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (151)] Forceful destruction successful, exit code 0 [2024-11-09 00:48:06,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:06,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:06,059 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:06,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:06,059 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:06,060 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:06,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:06,062 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:06,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (152)] Waiting until timeout for monitored process [2024-11-09 00:48:06,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:06,413 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:06,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:06,459 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:06,460 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:06,737 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:06,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (152)] Forceful destruction successful, exit code 0 [2024-11-09 00:48:06,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:06,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:06,742 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:06,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:06,742 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:06,742 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:06,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:06,743 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:06,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (153)] Waiting until timeout for monitored process [2024-11-09 00:48:06,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:06,984 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:07,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:07,021 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:07,022 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:07,318 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:07,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (153)] Ended with exit code 0 [2024-11-09 00:48:07,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:07,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:07,322 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:07,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:07,322 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:07,322 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:07,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:07,324 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:07,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (154)] Waiting until timeout for monitored process [2024-11-09 00:48:07,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:07,557 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:07,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:07,587 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:07,588 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:07,875 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:07,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (154)] Ended with exit code 0 [2024-11-09 00:48:07,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:07,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:07,879 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:07,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:07,880 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:07,880 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:07,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:07,881 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:07,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (155)] Waiting until timeout for monitored process [2024-11-09 00:48:08,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:08,113 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:08,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:08,146 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:08,147 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:08,413 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:08,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (155)] Ended with exit code 0 [2024-11-09 00:48:08,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:08,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:08,418 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:08,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:08,418 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:08,418 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:08,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:08,419 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:08,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (156)] Waiting until timeout for monitored process [2024-11-09 00:48:08,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:08,650 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:08,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:08,682 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:08,682 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:08,945 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:08,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (156)] Ended with exit code 0 [2024-11-09 00:48:08,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:08,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:08,950 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:08,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:08,950 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:08,950 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:08,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:08,951 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:08,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (157)] Waiting until timeout for monitored process [2024-11-09 00:48:09,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:09,182 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:09,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:09,239 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:09,239 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:09,501 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:09,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (157)] Ended with exit code 0 [2024-11-09 00:48:09,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:09,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:09,506 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:09,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:09,507 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:09,507 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:09,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:09,508 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:09,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (158)] Waiting until timeout for monitored process [2024-11-09 00:48:09,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:09,742 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:09,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:09,773 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:09,774 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:10,058 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:10,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (158)] Ended with exit code 0 [2024-11-09 00:48:10,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:10,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:10,063 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:10,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:10,063 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:10,063 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:10,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:10,064 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:10,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (159)] Waiting until timeout for monitored process [2024-11-09 00:48:10,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:10,299 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:10,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:10,330 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:10,331 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:10,593 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:10,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (159)] Forceful destruction successful, exit code 0 [2024-11-09 00:48:10,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:10,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:10,598 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:10,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:10,598 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:10,598 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:10,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:10,599 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:10,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (160)] Waiting until timeout for monitored process [2024-11-09 00:48:10,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:10,842 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:10,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:10,875 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:10,876 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:11,129 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:11,132 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (160)] Ended with exit code 0 [2024-11-09 00:48:11,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:11,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:11,134 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:11,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:11,134 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:11,134 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:11,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:11,135 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:11,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (161)] Waiting until timeout for monitored process [2024-11-09 00:48:11,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:11,373 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:11,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:11,404 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:11,405 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:11,670 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:11,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (161)] Ended with exit code 0 [2024-11-09 00:48:11,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:11,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:11,675 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:11,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:11,676 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:11,676 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:11,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:11,680 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:11,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (162)] Waiting until timeout for monitored process [2024-11-09 00:48:11,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:11,922 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:11,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:11,953 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:11,954 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:12,210 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:12,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (162)] Ended with exit code 0 [2024-11-09 00:48:12,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:12,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:12,215 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:12,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:12,216 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:12,216 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:12,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:12,217 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:12,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (163)] Waiting until timeout for monitored process [2024-11-09 00:48:12,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:12,450 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:12,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:12,486 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:48:12,486 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:12,708 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:48:12,711 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (163)] Ended with exit code 0 [2024-11-09 00:48:12,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:12,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:12,713 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:12,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:12,713 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:12,713 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:12,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:12,715 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:12,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (164)] Waiting until timeout for monitored process [2024-11-09 00:48:12,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:12,950 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:13,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:13,011 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:13,012 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:13,326 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:13,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (164)] Ended with exit code 0 [2024-11-09 00:48:13,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:13,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:13,331 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:13,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:13,331 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:13,331 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:13,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:13,334 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:13,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (165)] Waiting until timeout for monitored process [2024-11-09 00:48:13,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:13,583 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:13,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:13,634 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:13,636 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:13,988 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:13,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (165)] Ended with exit code 0 [2024-11-09 00:48:13,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:13,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:13,993 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:13,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:13,993 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:13,993 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:13,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:13,994 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:13,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (166)] Waiting until timeout for monitored process [2024-11-09 00:48:14,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:14,226 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:14,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:14,275 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:14,276 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:14,555 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:14,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (166)] Ended with exit code 0 [2024-11-09 00:48:14,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:14,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:14,561 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:14,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:14,561 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:14,561 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:14,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:14,562 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:14,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (167)] Waiting until timeout for monitored process [2024-11-09 00:48:14,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:14,810 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:14,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:14,855 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:48:14,856 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:15,096 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:48:15,098 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (167)] Forceful destruction successful, exit code 0 [2024-11-09 00:48:15,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:15,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:15,100 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:15,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:15,101 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:15,101 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:15,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:15,103 INFO L229 MonitoredProcess]: Starting monitored process 168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:15,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (168)] Waiting until timeout for monitored process [2024-11-09 00:48:15,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:15,354 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:15,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:15,410 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:15,411 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:15,684 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:15,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (168)] Ended with exit code 0 [2024-11-09 00:48:15,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:15,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:15,689 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:15,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:15,689 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:15,689 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:15,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:15,691 INFO L229 MonitoredProcess]: Starting monitored process 169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:15,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (169)] Waiting until timeout for monitored process [2024-11-09 00:48:15,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:15,920 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:15,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:15,955 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:48:15,956 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:16,193 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:48:16,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (169)] Forceful destruction successful, exit code 0 [2024-11-09 00:48:16,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:16,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:16,198 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:16,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:16,199 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:16,199 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:16,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:16,200 INFO L229 MonitoredProcess]: Starting monitored process 170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:16,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (170)] Waiting until timeout for monitored process [2024-11-09 00:48:16,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:16,433 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:16,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:16,464 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:16,465 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:16,735 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:16,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (170)] Ended with exit code 0 [2024-11-09 00:48:16,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:16,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:16,739 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:16,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:16,740 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:16,740 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:16,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:16,741 INFO L229 MonitoredProcess]: Starting monitored process 171 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:16,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (171)] Waiting until timeout for monitored process [2024-11-09 00:48:16,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:16,973 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:17,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:17,053 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:17,053 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:17,315 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:17,318 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (171)] Forceful destruction successful, exit code 0 [2024-11-09 00:48:17,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:17,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:17,320 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:17,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:17,320 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:17,320 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:17,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:17,321 INFO L229 MonitoredProcess]: Starting monitored process 172 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:17,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (172)] Waiting until timeout for monitored process [2024-11-09 00:48:17,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:17,553 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:17,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:17,583 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:17,584 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:17,855 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:17,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (172)] Ended with exit code 0 [2024-11-09 00:48:17,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:17,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:17,860 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:17,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:17,861 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:17,861 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:17,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:17,862 INFO L229 MonitoredProcess]: Starting monitored process 173 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:17,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (173)] Waiting until timeout for monitored process [2024-11-09 00:48:18,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:18,095 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:18,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:18,143 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:18,144 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:18,426 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:18,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (173)] Ended with exit code 0 [2024-11-09 00:48:18,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:18,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:18,431 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:18,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:18,431 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:18,431 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:18,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:18,432 INFO L229 MonitoredProcess]: Starting monitored process 174 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:18,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (174)] Waiting until timeout for monitored process [2024-11-09 00:48:18,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:18,663 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:18,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:18,698 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:48:18,698 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:18,915 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:48:18,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (174)] Ended with exit code 0 [2024-11-09 00:48:18,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:18,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:18,919 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:18,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:18,919 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:18,919 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:18,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:18,920 INFO L229 MonitoredProcess]: Starting monitored process 175 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:18,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (175)] Waiting until timeout for monitored process [2024-11-09 00:48:19,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:19,162 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:19,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:19,196 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:19,197 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:19,512 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:19,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (175)] Ended with exit code 0 [2024-11-09 00:48:19,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:19,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:19,518 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:19,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:19,518 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:19,518 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:19,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:19,519 INFO L229 MonitoredProcess]: Starting monitored process 176 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:19,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (176)] Waiting until timeout for monitored process [2024-11-09 00:48:19,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:19,764 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:19,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:19,809 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:19,810 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:20,173 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:20,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (176)] Forceful destruction successful, exit code 0 [2024-11-09 00:48:20,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:20,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:20,178 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:20,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:20,178 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:20,178 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:20,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:20,179 INFO L229 MonitoredProcess]: Starting monitored process 177 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:20,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (177)] Waiting until timeout for monitored process [2024-11-09 00:48:20,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:20,412 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:20,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:20,442 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:20,443 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:20,690 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:20,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (177)] Forceful destruction successful, exit code 0 [2024-11-09 00:48:20,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:20,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:20,695 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:20,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:20,696 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:20,696 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:20,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:20,698 INFO L229 MonitoredProcess]: Starting monitored process 178 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:20,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (178)] Waiting until timeout for monitored process [2024-11-09 00:48:20,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:20,939 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:20,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:20,971 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:20,972 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:21,275 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:21,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (178)] Ended with exit code 0 [2024-11-09 00:48:21,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:21,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:21,280 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:21,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:21,280 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:21,280 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:21,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:21,281 INFO L229 MonitoredProcess]: Starting monitored process 179 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:21,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (179)] Waiting until timeout for monitored process [2024-11-09 00:48:21,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:21,513 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:21,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:21,543 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:21,544 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:21,817 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:21,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (179)] Ended with exit code 0 [2024-11-09 00:48:21,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:21,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:21,821 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:21,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:21,822 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:21,822 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:21,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:21,823 INFO L229 MonitoredProcess]: Starting monitored process 180 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:21,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (180)] Waiting until timeout for monitored process [2024-11-09 00:48:22,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:22,053 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:22,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:22,091 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:22,092 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:22,369 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:22,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (180)] Ended with exit code 0 [2024-11-09 00:48:22,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:22,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:22,374 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:22,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:22,374 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:22,374 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:22,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:22,375 INFO L229 MonitoredProcess]: Starting monitored process 181 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:22,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (181)] Waiting until timeout for monitored process [2024-11-09 00:48:22,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:22,674 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:22,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:22,721 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:22,722 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:23,029 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:23,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (181)] Forceful destruction successful, exit code 0 [2024-11-09 00:48:23,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:23,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:23,034 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:23,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:23,034 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:23,034 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:23,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:23,035 INFO L229 MonitoredProcess]: Starting monitored process 182 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:23,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (182)] Waiting until timeout for monitored process [2024-11-09 00:48:23,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:23,272 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:23,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:23,305 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:48:23,306 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:23,525 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:48:23,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (182)] Ended with exit code 0 [2024-11-09 00:48:23,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:23,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:23,531 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:23,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:23,531 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:23,531 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:23,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:23,532 INFO L229 MonitoredProcess]: Starting monitored process 183 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:23,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (183)] Waiting until timeout for monitored process [2024-11-09 00:48:23,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:23,776 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:23,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:23,820 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:23,820 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:24,102 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:24,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (183)] Forceful destruction successful, exit code 0 [2024-11-09 00:48:24,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:24,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:24,108 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:24,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:24,108 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:24,108 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:24,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:24,109 INFO L229 MonitoredProcess]: Starting monitored process 184 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:24,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (184)] Waiting until timeout for monitored process [2024-11-09 00:48:24,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:24,349 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:24,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:24,381 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:24,381 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:24,681 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:24,684 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (184)] Forceful destruction successful, exit code 0 [2024-11-09 00:48:24,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:24,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:24,686 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:24,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:24,687 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:24,687 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:24,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:24,688 INFO L229 MonitoredProcess]: Starting monitored process 185 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:24,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (185)] Waiting until timeout for monitored process [2024-11-09 00:48:24,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:24,918 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:24,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:24,946 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:24,947 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:25,263 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:25,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (185)] Ended with exit code 0 [2024-11-09 00:48:25,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:25,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:25,268 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:25,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:25,268 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:25,268 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:25,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:25,274 INFO L229 MonitoredProcess]: Starting monitored process 186 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:25,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (186)] Waiting until timeout for monitored process [2024-11-09 00:48:25,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:25,627 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:25,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:25,679 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:48:25,680 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:26,020 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:48:26,024 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (186)] Forceful destruction successful, exit code 0 [2024-11-09 00:48:26,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:26,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:26,027 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:26,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:26,028 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:26,028 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:26,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:26,031 INFO L229 MonitoredProcess]: Starting monitored process 187 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:26,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (187)] Waiting until timeout for monitored process [2024-11-09 00:48:26,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:26,366 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:26,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:26,421 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:26,422 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:26,682 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:26,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (187)] Forceful destruction successful, exit code 0 [2024-11-09 00:48:26,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:26,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:26,687 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:26,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:26,687 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:26,687 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:26,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:26,688 INFO L229 MonitoredProcess]: Starting monitored process 188 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:26,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (188)] Waiting until timeout for monitored process [2024-11-09 00:48:26,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:26,920 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:26,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:26,973 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:26,974 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:27,250 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:27,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (188)] Ended with exit code 0 [2024-11-09 00:48:27,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:27,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:27,255 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:27,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:27,255 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:27,255 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:27,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:27,256 INFO L229 MonitoredProcess]: Starting monitored process 189 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:27,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (189)] Waiting until timeout for monitored process [2024-11-09 00:48:27,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:27,487 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:27,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:27,549 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:27,550 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:27,836 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:27,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (189)] Ended with exit code 0 [2024-11-09 00:48:27,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:27,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:27,841 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:27,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:27,841 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:27,841 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:27,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:27,842 INFO L229 MonitoredProcess]: Starting monitored process 190 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:27,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (190)] Waiting until timeout for monitored process [2024-11-09 00:48:28,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:28,075 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:28,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:28,133 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:28,134 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:28,404 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:28,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (190)] Ended with exit code 0 [2024-11-09 00:48:28,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:28,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:28,409 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:28,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:28,409 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:28,409 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:28,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:28,410 INFO L229 MonitoredProcess]: Starting monitored process 191 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:28,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (191)] Waiting until timeout for monitored process [2024-11-09 00:48:28,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:28,649 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:28,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:28,699 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:28,700 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:28,991 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:28,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (191)] Ended with exit code 0 [2024-11-09 00:48:28,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:28,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:28,996 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:28,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:28,996 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:28,996 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:28,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:28,997 INFO L229 MonitoredProcess]: Starting monitored process 192 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:29,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (192)] Waiting until timeout for monitored process [2024-11-09 00:48:29,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:29,239 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:29,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:29,274 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:48:29,275 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:29,510 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:48:29,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (192)] Ended with exit code 0 [2024-11-09 00:48:29,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:29,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:29,515 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:29,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:29,516 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:29,516 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:29,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:29,519 INFO L229 MonitoredProcess]: Starting monitored process 193 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:29,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (193)] Waiting until timeout for monitored process [2024-11-09 00:48:29,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:29,752 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:29,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:29,791 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:48:29,791 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:30,088 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:48:30,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (193)] Ended with exit code 0 [2024-11-09 00:48:30,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:30,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:30,094 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:30,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:30,094 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:30,094 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:30,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:30,095 INFO L229 MonitoredProcess]: Starting monitored process 194 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:30,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (194)] Waiting until timeout for monitored process [2024-11-09 00:48:30,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:30,327 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:30,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:30,357 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:30,358 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:30,599 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:30,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (194)] Ended with exit code 0 [2024-11-09 00:48:30,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:30,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:30,603 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:30,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:30,604 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:30,604 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:30,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:30,605 INFO L229 MonitoredProcess]: Starting monitored process 195 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:30,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (195)] Waiting until timeout for monitored process [2024-11-09 00:48:30,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:30,838 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:30,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:30,872 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:30,872 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:31,145 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:31,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (195)] Ended with exit code 0 [2024-11-09 00:48:31,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:31,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:31,150 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:31,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:31,150 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:31,150 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:31,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:31,151 INFO L229 MonitoredProcess]: Starting monitored process 196 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:31,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (196)] Waiting until timeout for monitored process [2024-11-09 00:48:31,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:31,387 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:31,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:31,432 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:31,433 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:31,713 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:31,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (196)] Ended with exit code 0 [2024-11-09 00:48:31,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:31,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:31,718 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:31,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:31,718 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:31,718 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:31,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:31,719 INFO L229 MonitoredProcess]: Starting monitored process 197 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:31,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (197)] Waiting until timeout for monitored process [2024-11-09 00:48:31,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:31,952 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:31,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:31,986 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:48:31,987 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:32,229 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:48:32,232 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (197)] Ended with exit code 0 [2024-11-09 00:48:32,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:32,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:32,234 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:32,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:32,234 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:32,234 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:32,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:32,235 INFO L229 MonitoredProcess]: Starting monitored process 198 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:32,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (198)] Waiting until timeout for monitored process [2024-11-09 00:48:32,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:32,468 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:32,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:32,537 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:32,538 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:33,015 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:33,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (198)] Ended with exit code 0 [2024-11-09 00:48:33,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:33,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:33,021 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:33,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:33,021 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:33,021 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:33,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:33,024 INFO L229 MonitoredProcess]: Starting monitored process 199 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:33,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (199)] Waiting until timeout for monitored process [2024-11-09 00:48:33,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:33,314 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:33,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:33,347 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:33,348 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:33,603 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:33,606 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (199)] Forceful destruction successful, exit code 0 [2024-11-09 00:48:33,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:33,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:33,608 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:33,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:33,608 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:33,608 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:33,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:33,609 INFO L229 MonitoredProcess]: Starting monitored process 200 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:33,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (200)] Waiting until timeout for monitored process [2024-11-09 00:48:33,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:33,848 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:33,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:33,879 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:33,880 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:34,157 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:34,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (200)] Ended with exit code 0 [2024-11-09 00:48:34,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:34,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:34,162 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:34,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:34,163 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:34,163 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:34,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:34,164 INFO L229 MonitoredProcess]: Starting monitored process 201 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:34,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (201)] Waiting until timeout for monitored process [2024-11-09 00:48:34,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:34,397 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:34,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:34,431 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:48:34,432 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:34,678 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:48:34,681 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (201)] Ended with exit code 0 [2024-11-09 00:48:34,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:34,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:34,684 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:34,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:34,684 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:34,684 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:34,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:34,687 INFO L229 MonitoredProcess]: Starting monitored process 202 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:34,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (202)] Waiting until timeout for monitored process [2024-11-09 00:48:34,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:34,940 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:34,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:35,002 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:35,003 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:35,312 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:35,315 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (202)] Forceful destruction successful, exit code 0 [2024-11-09 00:48:35,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:35,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:35,317 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:35,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:35,317 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:35,318 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:35,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:35,319 INFO L229 MonitoredProcess]: Starting monitored process 203 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:35,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (203)] Waiting until timeout for monitored process [2024-11-09 00:48:35,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:35,551 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:35,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:35,605 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:48:35,606 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:35,835 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:48:35,838 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (203)] Ended with exit code 0 [2024-11-09 00:48:35,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:35,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:35,840 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:35,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:35,840 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:35,840 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:35,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:35,842 INFO L229 MonitoredProcess]: Starting monitored process 204 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:35,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (204)] Waiting until timeout for monitored process [2024-11-09 00:48:36,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:36,073 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:36,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:36,121 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:48:36,122 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:36,366 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:48:36,369 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (204)] Ended with exit code 0 [2024-11-09 00:48:36,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:36,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:36,371 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:36,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:36,371 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:36,372 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:36,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:36,373 INFO L229 MonitoredProcess]: Starting monitored process 205 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:36,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (205)] Waiting until timeout for monitored process [2024-11-09 00:48:36,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:36,605 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:36,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:36,650 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:36,651 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:36,917 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:36,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (205)] Forceful destruction successful, exit code 0 [2024-11-09 00:48:36,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:36,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:36,922 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:36,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:36,923 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:36,923 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:36,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:36,924 INFO L229 MonitoredProcess]: Starting monitored process 206 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:36,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (206)] Waiting until timeout for monitored process [2024-11-09 00:48:37,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:37,156 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:37,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:37,190 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:48:37,191 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:37,486 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:48:37,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (206)] Forceful destruction successful, exit code 0 [2024-11-09 00:48:37,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:37,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:37,495 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:37,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:37,495 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:37,495 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:37,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:37,504 INFO L229 MonitoredProcess]: Starting monitored process 207 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:37,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (207)] Waiting until timeout for monitored process [2024-11-09 00:48:37,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:37,747 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:37,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:37,777 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:37,778 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:38,071 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:38,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (207)] Ended with exit code 0 [2024-11-09 00:48:38,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:38,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:38,076 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:38,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:38,076 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:38,076 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:38,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:38,077 INFO L229 MonitoredProcess]: Starting monitored process 208 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:38,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (208)] Waiting until timeout for monitored process [2024-11-09 00:48:38,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:38,312 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:38,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:38,343 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:38,344 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:38,622 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:38,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (208)] Forceful destruction successful, exit code 0 [2024-11-09 00:48:38,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:38,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:38,627 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:38,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:38,628 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:38,628 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:38,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:38,629 INFO L229 MonitoredProcess]: Starting monitored process 209 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:38,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (209)] Waiting until timeout for monitored process [2024-11-09 00:48:38,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:38,864 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:38,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:38,895 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:38,896 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:39,188 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:39,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (209)] Forceful destruction successful, exit code 0 [2024-11-09 00:48:39,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:39,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:39,194 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:39,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:39,194 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:39,194 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:39,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:39,197 INFO L229 MonitoredProcess]: Starting monitored process 210 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:39,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (210)] Waiting until timeout for monitored process [2024-11-09 00:48:39,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:39,441 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:39,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:39,498 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:39,499 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:39,758 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:39,761 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (210)] Forceful destruction successful, exit code 0 [2024-11-09 00:48:39,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:39,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:39,764 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:39,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:39,764 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:39,764 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:39,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:39,767 INFO L229 MonitoredProcess]: Starting monitored process 211 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:39,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (211)] Waiting until timeout for monitored process [2024-11-09 00:48:40,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:40,007 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:40,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:40,039 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:40,039 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:40,306 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:40,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (211)] Ended with exit code 0 [2024-11-09 00:48:40,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:40,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:40,311 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:40,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:40,311 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:40,311 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:40,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:40,312 INFO L229 MonitoredProcess]: Starting monitored process 212 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:40,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (212)] Waiting until timeout for monitored process [2024-11-09 00:48:40,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:40,547 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:40,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:40,582 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:48:40,582 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:40,805 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:48:40,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (212)] Ended with exit code 0 [2024-11-09 00:48:40,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:40,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:40,810 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:40,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:40,810 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:40,810 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:40,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:40,811 INFO L229 MonitoredProcess]: Starting monitored process 213 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:40,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (213)] Waiting until timeout for monitored process [2024-11-09 00:48:41,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:41,048 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:41,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:41,080 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:41,080 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:41,333 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:41,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (213)] Ended with exit code 0 [2024-11-09 00:48:41,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:41,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:41,338 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:41,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:41,338 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:41,339 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:41,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:41,340 INFO L229 MonitoredProcess]: Starting monitored process 214 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:41,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (214)] Waiting until timeout for monitored process [2024-11-09 00:48:41,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:41,572 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:41,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:41,626 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:41,627 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:41,918 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:41,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (214)] Ended with exit code 0 [2024-11-09 00:48:41,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:41,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:41,923 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:41,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:41,923 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:41,923 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:41,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:41,924 INFO L229 MonitoredProcess]: Starting monitored process 215 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:41,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (215)] Waiting until timeout for monitored process [2024-11-09 00:48:42,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:42,160 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:42,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:42,191 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:42,192 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:42,457 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:42,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (215)] Forceful destruction successful, exit code 0 [2024-11-09 00:48:42,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:42,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:42,461 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:42,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:42,462 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:42,462 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:42,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:42,464 INFO L229 MonitoredProcess]: Starting monitored process 216 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:42,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (216)] Waiting until timeout for monitored process [2024-11-09 00:48:42,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:42,776 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:42,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:42,828 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:48:42,829 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:43,092 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:48:43,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (216)] Ended with exit code 0 [2024-11-09 00:48:43,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:43,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:43,096 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:43,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:43,096 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:43,096 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:43,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:43,101 INFO L229 MonitoredProcess]: Starting monitored process 217 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:43,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (217)] Waiting until timeout for monitored process [2024-11-09 00:48:43,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:43,339 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:43,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:43,395 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:43,396 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:43,686 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:43,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (217)] Ended with exit code 0 [2024-11-09 00:48:43,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:43,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:43,691 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:43,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:43,691 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:43,691 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:43,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:43,692 INFO L229 MonitoredProcess]: Starting monitored process 218 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:43,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (218)] Waiting until timeout for monitored process [2024-11-09 00:48:43,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:43,943 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:43,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:43,977 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:43,978 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:44,256 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:44,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (218)] Ended with exit code 0 [2024-11-09 00:48:44,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:44,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:44,261 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:44,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:44,261 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:44,261 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:44,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:44,262 INFO L229 MonitoredProcess]: Starting monitored process 219 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:44,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (219)] Waiting until timeout for monitored process [2024-11-09 00:48:44,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:44,506 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:44,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:44,624 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:44,625 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:44,889 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:44,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (219)] Ended with exit code 0 [2024-11-09 00:48:44,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:44,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:44,895 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:44,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:44,895 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:44,896 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:44,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:44,896 INFO L229 MonitoredProcess]: Starting monitored process 220 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:44,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (220)] Waiting until timeout for monitored process [2024-11-09 00:48:45,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:45,166 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:45,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:45,198 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:45,199 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:45,460 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:45,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (220)] Ended with exit code 0 [2024-11-09 00:48:45,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:45,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:45,465 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:45,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:45,465 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:45,465 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:45,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:45,466 INFO L229 MonitoredProcess]: Starting monitored process 221 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:45,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (221)] Waiting until timeout for monitored process [2024-11-09 00:48:45,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:45,706 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:45,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:45,751 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:45,751 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:46,018 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:46,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (221)] Ended with exit code 0 [2024-11-09 00:48:46,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:46,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:46,023 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:46,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:46,023 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:46,023 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:46,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:46,025 INFO L229 MonitoredProcess]: Starting monitored process 222 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:46,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (222)] Waiting until timeout for monitored process [2024-11-09 00:48:46,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:46,265 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:46,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:46,304 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:46,305 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:46,683 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:46,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (222)] Forceful destruction successful, exit code 0 [2024-11-09 00:48:46,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:46,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:46,690 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:46,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:46,690 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:46,690 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:46,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:46,694 INFO L229 MonitoredProcess]: Starting monitored process 223 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:46,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (223)] Waiting until timeout for monitored process [2024-11-09 00:48:47,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:47,044 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:47,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:47,094 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:48:47,095 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:47,327 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:48:47,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (223)] Forceful destruction successful, exit code 0 [2024-11-09 00:48:47,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:47,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:47,333 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:47,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:47,333 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:47,333 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:47,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:47,334 INFO L229 MonitoredProcess]: Starting monitored process 224 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:47,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (224)] Waiting until timeout for monitored process [2024-11-09 00:48:47,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:47,567 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:47,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:47,601 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:47,602 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:47,870 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:47,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (224)] Ended with exit code 0 [2024-11-09 00:48:47,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:47,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:47,875 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:47,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:47,875 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:47,875 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:47,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:47,876 INFO L229 MonitoredProcess]: Starting monitored process 225 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:47,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (225)] Waiting until timeout for monitored process [2024-11-09 00:48:48,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:48,111 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:48,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:48,160 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:48,160 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:48,436 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:48,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (225)] Forceful destruction successful, exit code 0 [2024-11-09 00:48:48,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:48,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:48,441 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:48,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:48,441 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:48,441 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:48,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:48,442 INFO L229 MonitoredProcess]: Starting monitored process 226 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:48,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (226)] Waiting until timeout for monitored process [2024-11-09 00:48:48,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:48,674 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:48,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:48,704 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:48,704 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:48,996 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:49,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (226)] Ended with exit code 0 [2024-11-09 00:48:49,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:49,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:49,007 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:49,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:49,007 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:49,007 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:49,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:49,010 INFO L229 MonitoredProcess]: Starting monitored process 227 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:49,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (227)] Waiting until timeout for monitored process [2024-11-09 00:48:49,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:49,277 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:49,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:49,344 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:49,345 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:49,648 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:49,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (227)] Ended with exit code 0 [2024-11-09 00:48:49,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:49,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:49,653 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:49,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:49,653 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:49,653 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:49,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:49,654 INFO L229 MonitoredProcess]: Starting monitored process 228 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:49,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (228)] Waiting until timeout for monitored process [2024-11-09 00:48:49,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:49,901 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:49,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:49,935 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:49,936 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:50,225 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:50,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (228)] Ended with exit code 0 [2024-11-09 00:48:50,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:50,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:50,229 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:50,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:50,230 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:50,230 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:50,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:50,231 INFO L229 MonitoredProcess]: Starting monitored process 229 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:50,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (229)] Waiting until timeout for monitored process [2024-11-09 00:48:50,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:50,469 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:50,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:50,526 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:50,527 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:50,801 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:50,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (229)] Ended with exit code 0 [2024-11-09 00:48:50,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:50,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:50,806 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:50,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:50,806 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:50,806 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:50,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:50,807 INFO L229 MonitoredProcess]: Starting monitored process 230 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:50,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (230)] Waiting until timeout for monitored process [2024-11-09 00:48:51,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:51,040 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:51,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:51,082 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:51,083 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:51,386 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:51,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (230)] Ended with exit code 0 [2024-11-09 00:48:51,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:51,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:51,391 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:51,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:51,391 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:51,391 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:51,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:51,394 INFO L229 MonitoredProcess]: Starting monitored process 231 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:51,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (231)] Waiting until timeout for monitored process [2024-11-09 00:48:51,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:51,626 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:51,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:51,659 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:51,659 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:52,060 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:52,064 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (231)] Ended with exit code 0 [2024-11-09 00:48:52,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:52,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:52,067 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:52,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:52,067 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:52,067 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:52,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:52,070 INFO L229 MonitoredProcess]: Starting monitored process 232 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:52,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (232)] Waiting until timeout for monitored process [2024-11-09 00:48:52,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:52,313 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:52,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:52,381 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:52,382 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:52,810 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:52,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (232)] Ended with exit code 0 [2024-11-09 00:48:52,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:52,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:52,817 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:52,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:52,817 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:52,817 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:52,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:52,820 INFO L229 MonitoredProcess]: Starting monitored process 233 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:52,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (233)] Waiting until timeout for monitored process [2024-11-09 00:48:53,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:53,088 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:53,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:53,123 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:48:53,123 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:53,346 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:48:53,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (233)] Forceful destruction successful, exit code 0 [2024-11-09 00:48:53,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:53,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:53,351 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:53,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:53,352 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:53,352 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:53,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:53,355 INFO L229 MonitoredProcess]: Starting monitored process 234 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:53,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (234)] Waiting until timeout for monitored process [2024-11-09 00:48:53,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:53,610 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:53,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:53,659 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:53,660 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:53,960 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:53,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (234)] Forceful destruction successful, exit code 0 [2024-11-09 00:48:53,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:53,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:53,965 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:53,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:53,966 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:53,966 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:53,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:53,969 INFO L229 MonitoredProcess]: Starting monitored process 235 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:53,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (235)] Waiting until timeout for monitored process [2024-11-09 00:48:54,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:54,323 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:54,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:54,360 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:54,361 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:54,704 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:54,710 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (235)] Forceful destruction successful, exit code 0 [2024-11-09 00:48:54,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:54,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:54,714 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:54,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:54,715 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:54,715 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:54,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:54,717 INFO L229 MonitoredProcess]: Starting monitored process 236 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:54,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (236)] Waiting until timeout for monitored process [2024-11-09 00:48:54,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:54,964 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:54,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:54,995 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:54,996 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:55,300 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:55,302 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (236)] Forceful destruction successful, exit code 0 [2024-11-09 00:48:55,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:55,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:55,304 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:55,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:55,305 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:55,305 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:55,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:55,306 INFO L229 MonitoredProcess]: Starting monitored process 237 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:55,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (237)] Waiting until timeout for monitored process [2024-11-09 00:48:55,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:55,540 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:55,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:55,592 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:55,593 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:55,916 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:55,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (237)] Ended with exit code 0 [2024-11-09 00:48:55,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:55,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:55,924 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:55,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:55,924 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:55,924 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:55,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:55,927 INFO L229 MonitoredProcess]: Starting monitored process 238 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:55,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (238)] Waiting until timeout for monitored process [2024-11-09 00:48:56,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:56,241 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:56,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:56,277 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:56,277 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:56,666 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:56,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (238)] Ended with exit code 0 [2024-11-09 00:48:56,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:56,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:56,671 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:56,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:56,672 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:56,672 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:56,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:56,673 INFO L229 MonitoredProcess]: Starting monitored process 239 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:56,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (239)] Waiting until timeout for monitored process [2024-11-09 00:48:57,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:57,015 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:57,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:57,061 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:48:57,062 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:57,377 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:48:57,380 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (239)] Ended with exit code 0 [2024-11-09 00:48:57,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:57,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:57,384 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:57,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:57,384 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:57,384 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:57,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:57,387 INFO L229 MonitoredProcess]: Starting monitored process 240 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:57,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (240)] Waiting until timeout for monitored process [2024-11-09 00:48:57,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:57,671 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:57,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:57,705 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:57,706 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:58,008 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:58,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (240)] Ended with exit code 0 [2024-11-09 00:48:58,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:58,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:58,013 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:58,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:58,013 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:58,014 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:58,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:58,015 INFO L229 MonitoredProcess]: Starting monitored process 241 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:58,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (241)] Waiting until timeout for monitored process [2024-11-09 00:48:58,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:58,258 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:58,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:58,291 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:58,292 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:58,604 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:58,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (241)] Ended with exit code 0 [2024-11-09 00:48:58,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:58,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:58,610 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:58,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:58,610 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:58,610 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:58,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:58,613 INFO L229 MonitoredProcess]: Starting monitored process 242 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:58,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (242)] Waiting until timeout for monitored process [2024-11-09 00:48:58,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:58,894 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:58,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:58,955 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:58,956 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:59,240 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:59,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (242)] Ended with exit code 0 [2024-11-09 00:48:59,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:59,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:59,245 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:59,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:59,245 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:59,245 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:59,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:59,246 INFO L229 MonitoredProcess]: Starting monitored process 243 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:59,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (243)] Waiting until timeout for monitored process [2024-11-09 00:48:59,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:59,495 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:59,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:59,551 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:48:59,552 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:59,834 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:48:59,837 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (243)] Ended with exit code 0 [2024-11-09 00:48:59,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:59,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:48:59,839 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:48:59,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:48:59,839 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:59,839 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:59,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:59,840 INFO L229 MonitoredProcess]: Starting monitored process 244 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:59,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (244)] Waiting until timeout for monitored process [2024-11-09 00:49:00,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:00,096 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:00,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:00,127 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:00,127 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:00,408 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:00,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (244)] Ended with exit code 0 [2024-11-09 00:49:00,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:00,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:00,413 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:00,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:00,414 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:00,414 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:00,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:00,415 INFO L229 MonitoredProcess]: Starting monitored process 245 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:00,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (245)] Waiting until timeout for monitored process [2024-11-09 00:49:00,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:00,661 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:00,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:00,720 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:00,721 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:00,983 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:00,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (245)] Forceful destruction successful, exit code 0 [2024-11-09 00:49:00,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:00,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:00,987 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:00,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:00,988 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:00,988 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:00,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:00,989 INFO L229 MonitoredProcess]: Starting monitored process 246 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:00,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (246)] Waiting until timeout for monitored process [2024-11-09 00:49:01,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:01,243 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:01,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:01,281 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:01,282 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:01,568 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:01,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (246)] Ended with exit code 0 [2024-11-09 00:49:01,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:01,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:01,574 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:01,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:01,574 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:01,574 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:01,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:01,575 INFO L229 MonitoredProcess]: Starting monitored process 247 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:01,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (247)] Waiting until timeout for monitored process [2024-11-09 00:49:01,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:01,835 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:01,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:01,872 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:49:01,873 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:02,126 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:49:02,129 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (247)] Forceful destruction successful, exit code 0 [2024-11-09 00:49:02,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:02,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:02,131 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:02,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:02,131 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:02,131 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:02,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:02,132 INFO L229 MonitoredProcess]: Starting monitored process 248 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:02,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (248)] Waiting until timeout for monitored process [2024-11-09 00:49:02,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:02,359 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:02,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:02,390 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:02,391 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:02,756 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:02,761 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (248)] Forceful destruction successful, exit code 0 [2024-11-09 00:49:02,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:02,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:02,765 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:02,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:02,765 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:02,765 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:02,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:02,768 INFO L229 MonitoredProcess]: Starting monitored process 249 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:02,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (249)] Waiting until timeout for monitored process [2024-11-09 00:49:03,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:03,047 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:03,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:03,078 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:03,079 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:03,380 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:03,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (249)] Forceful destruction successful, exit code 0 [2024-11-09 00:49:03,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:03,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:03,385 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:03,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:03,385 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:03,385 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:03,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:03,386 INFO L229 MonitoredProcess]: Starting monitored process 250 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:03,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (250)] Waiting until timeout for monitored process [2024-11-09 00:49:03,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:03,634 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:03,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:03,690 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:03,690 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:03,981 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:03,984 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (250)] Forceful destruction successful, exit code 0 [2024-11-09 00:49:03,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:03,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:03,987 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:03,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:03,987 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:03,987 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:03,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:03,988 INFO L229 MonitoredProcess]: Starting monitored process 251 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:03,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (251)] Waiting until timeout for monitored process [2024-11-09 00:49:04,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:04,235 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:04,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:04,265 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:04,265 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:04,574 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:04,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (251)] Ended with exit code 0 [2024-11-09 00:49:04,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:04,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:04,582 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:04,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:04,582 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:04,582 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:04,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:04,589 INFO L229 MonitoredProcess]: Starting monitored process 252 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:04,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (252)] Waiting until timeout for monitored process [2024-11-09 00:49:04,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:04,844 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:04,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:04,877 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:04,878 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:05,168 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:05,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (252)] Ended with exit code 0 [2024-11-09 00:49:05,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:05,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:05,174 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:05,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:05,174 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:05,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:05,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:05,177 INFO L229 MonitoredProcess]: Starting monitored process 253 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:05,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (253)] Waiting until timeout for monitored process [2024-11-09 00:49:05,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:05,438 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:05,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:05,501 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:05,502 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:05,791 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:05,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (253)] Forceful destruction successful, exit code 0 [2024-11-09 00:49:05,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:05,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:05,796 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:05,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:05,796 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:05,796 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:05,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:05,797 INFO L229 MonitoredProcess]: Starting monitored process 254 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:05,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (254)] Waiting until timeout for monitored process [2024-11-09 00:49:06,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:06,046 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:06,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:06,076 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:06,076 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:06,384 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:06,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (254)] Ended with exit code 0 [2024-11-09 00:49:06,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:06,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:06,389 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:06,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:06,389 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:06,389 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:06,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:06,391 INFO L229 MonitoredProcess]: Starting monitored process 255 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:06,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (255)] Waiting until timeout for monitored process [2024-11-09 00:49:06,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:06,642 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:06,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:06,689 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:06,690 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:07,009 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:07,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (255)] Ended with exit code 0 [2024-11-09 00:49:07,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:07,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:07,014 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:07,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:07,014 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:07,014 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:07,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:07,017 INFO L229 MonitoredProcess]: Starting monitored process 256 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:07,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (256)] Waiting until timeout for monitored process [2024-11-09 00:49:07,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:07,268 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:07,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:07,302 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:07,303 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:07,574 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:07,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (256)] Forceful destruction successful, exit code 0 [2024-11-09 00:49:07,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:07,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:07,580 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:07,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:07,580 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:07,580 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:07,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:07,583 INFO L229 MonitoredProcess]: Starting monitored process 257 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:07,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (257)] Waiting until timeout for monitored process [2024-11-09 00:49:07,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:07,838 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:07,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:07,875 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:49:07,876 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:08,118 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:49:08,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (257)] Ended with exit code 0 [2024-11-09 00:49:08,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:08,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:08,127 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:08,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:08,127 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:08,127 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:08,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:08,128 INFO L229 MonitoredProcess]: Starting monitored process 258 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:08,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (258)] Waiting until timeout for monitored process [2024-11-09 00:49:08,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:08,380 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:08,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:08,414 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:08,415 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:08,697 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:08,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (258)] Forceful destruction successful, exit code 0 [2024-11-09 00:49:08,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:08,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:08,703 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:08,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:08,704 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:08,704 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:08,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:08,705 INFO L229 MonitoredProcess]: Starting monitored process 259 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:08,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (259)] Waiting until timeout for monitored process [2024-11-09 00:49:08,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:08,968 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:09,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:09,019 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:09,019 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:09,292 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:09,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (259)] Forceful destruction successful, exit code 0 [2024-11-09 00:49:09,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:09,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:09,297 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:09,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:09,297 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:09,297 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:09,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:09,298 INFO L229 MonitoredProcess]: Starting monitored process 260 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:09,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (260)] Waiting until timeout for monitored process [2024-11-09 00:49:09,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:09,522 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:09,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:09,564 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:09,565 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:09,871 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:09,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (260)] Ended with exit code 0 [2024-11-09 00:49:09,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:09,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:09,876 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:09,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:09,876 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:09,876 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:09,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:09,877 INFO L229 MonitoredProcess]: Starting monitored process 261 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:09,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (261)] Waiting until timeout for monitored process [2024-11-09 00:49:10,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:10,124 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:10,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:10,158 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:10,158 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:10,472 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:10,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (261)] Ended with exit code 0 [2024-11-09 00:49:10,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:10,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:10,477 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:10,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:10,477 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:10,477 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:10,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:10,478 INFO L229 MonitoredProcess]: Starting monitored process 262 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:10,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (262)] Waiting until timeout for monitored process [2024-11-09 00:49:10,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:10,721 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:10,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:10,753 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:10,754 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:11,045 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:11,048 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (262)] Ended with exit code 0 [2024-11-09 00:49:11,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:11,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:11,051 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:11,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:11,051 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:11,051 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:11,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:11,054 INFO L229 MonitoredProcess]: Starting monitored process 263 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:11,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (263)] Waiting until timeout for monitored process [2024-11-09 00:49:11,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:11,341 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:11,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:11,407 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:11,408 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:11,706 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:11,710 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (263)] Forceful destruction successful, exit code 0 [2024-11-09 00:49:11,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:11,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:11,712 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:11,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:11,712 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:11,712 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:11,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:11,715 INFO L229 MonitoredProcess]: Starting monitored process 264 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:11,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (264)] Waiting until timeout for monitored process [2024-11-09 00:49:11,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:11,970 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:12,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:12,025 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:12,026 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:12,307 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:12,310 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (264)] Forceful destruction successful, exit code 0 [2024-11-09 00:49:12,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:12,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:12,312 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:12,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:12,312 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:12,312 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:12,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:12,313 INFO L229 MonitoredProcess]: Starting monitored process 265 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:12,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (265)] Waiting until timeout for monitored process [2024-11-09 00:49:12,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:12,589 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:12,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:12,714 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:12,715 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:13,115 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:13,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (265)] Ended with exit code 0 [2024-11-09 00:49:13,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:13,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:13,120 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:13,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:13,121 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:13,121 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:13,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:13,122 INFO L229 MonitoredProcess]: Starting monitored process 266 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:13,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (266)] Waiting until timeout for monitored process [2024-11-09 00:49:13,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:13,365 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:13,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:13,434 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:13,434 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:13,715 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:13,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (266)] Ended with exit code 0 [2024-11-09 00:49:13,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:13,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:13,720 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:13,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:13,720 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:13,720 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:13,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:13,721 INFO L229 MonitoredProcess]: Starting monitored process 267 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:13,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (267)] Waiting until timeout for monitored process [2024-11-09 00:49:13,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:13,967 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:14,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:14,039 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:14,040 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:14,308 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:14,311 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (267)] Ended with exit code 0 [2024-11-09 00:49:14,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:14,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:14,313 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:14,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:14,313 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:14,313 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:14,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:14,314 INFO L229 MonitoredProcess]: Starting monitored process 268 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:14,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (268)] Waiting until timeout for monitored process [2024-11-09 00:49:14,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:14,587 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:14,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:14,669 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:14,670 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:14,939 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:14,942 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (268)] Ended with exit code 0 [2024-11-09 00:49:14,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:14,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:14,944 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:14,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:14,944 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:14,944 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:14,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:14,945 INFO L229 MonitoredProcess]: Starting monitored process 269 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:14,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (269)] Waiting until timeout for monitored process [2024-11-09 00:49:15,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:15,193 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:15,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:15,290 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:15,291 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:15,622 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:15,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (269)] Forceful destruction successful, exit code 0 [2024-11-09 00:49:15,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:15,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:15,628 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:15,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:15,628 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:15,628 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:15,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:15,631 INFO L229 MonitoredProcess]: Starting monitored process 270 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:15,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (270)] Waiting until timeout for monitored process [2024-11-09 00:49:15,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:15,975 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:16,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:16,006 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:16,006 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:16,286 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:16,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (270)] Ended with exit code 0 [2024-11-09 00:49:16,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:16,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:16,291 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:16,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:16,291 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:16,291 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:16,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:16,292 INFO L229 MonitoredProcess]: Starting monitored process 271 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:16,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (271)] Waiting until timeout for monitored process [2024-11-09 00:49:16,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:16,542 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:16,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:16,578 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:49:16,579 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:16,834 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:49:16,837 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (271)] Ended with exit code 0 [2024-11-09 00:49:16,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:16,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:16,839 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:16,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:16,839 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:16,840 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:16,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:16,841 INFO L229 MonitoredProcess]: Starting monitored process 272 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:16,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (272)] Waiting until timeout for monitored process [2024-11-09 00:49:17,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:17,087 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:17,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:17,120 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:17,121 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:17,398 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:17,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (272)] Ended with exit code 0 [2024-11-09 00:49:17,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:17,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:17,406 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:17,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:17,406 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:17,406 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:17,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:17,407 INFO L229 MonitoredProcess]: Starting monitored process 273 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:17,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (273)] Waiting until timeout for monitored process [2024-11-09 00:49:17,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:17,657 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:17,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:17,690 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:17,691 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:17,975 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:17,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (273)] Ended with exit code 0 [2024-11-09 00:49:17,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:17,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:17,980 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:17,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:17,980 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:17,980 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:17,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:17,983 INFO L229 MonitoredProcess]: Starting monitored process 274 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:17,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (274)] Waiting until timeout for monitored process [2024-11-09 00:49:18,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:18,304 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:18,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:18,340 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:49:18,341 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:18,579 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:49:18,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (274)] Ended with exit code 0 [2024-11-09 00:49:18,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:18,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:18,584 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:18,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:18,584 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:18,584 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:18,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:18,587 INFO L229 MonitoredProcess]: Starting monitored process 275 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:18,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (275)] Waiting until timeout for monitored process [2024-11-09 00:49:18,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:18,835 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:18,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:18,868 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:18,868 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:19,206 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:19,209 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (275)] Ended with exit code 0 [2024-11-09 00:49:19,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:19,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:19,211 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:19,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:19,212 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:19,212 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:19,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:19,215 INFO L229 MonitoredProcess]: Starting monitored process 276 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:19,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (276)] Waiting until timeout for monitored process [2024-11-09 00:49:19,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:19,473 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:19,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:19,507 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:19,508 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:19,840 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:19,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (276)] Forceful destruction successful, exit code 0 [2024-11-09 00:49:19,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:19,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:19,845 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:19,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:19,845 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:19,845 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:19,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:19,846 INFO L229 MonitoredProcess]: Starting monitored process 277 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:19,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (277)] Waiting until timeout for monitored process [2024-11-09 00:49:20,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:20,094 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:20,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:20,150 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:20,151 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:20,618 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:20,622 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (277)] Ended with exit code 0 [2024-11-09 00:49:20,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:20,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:20,625 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:20,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:20,625 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:20,626 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:20,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:20,628 INFO L229 MonitoredProcess]: Starting monitored process 278 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:20,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (278)] Waiting until timeout for monitored process [2024-11-09 00:49:20,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:20,999 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:21,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:21,040 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:21,042 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:21,348 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:21,351 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (278)] Ended with exit code 0 [2024-11-09 00:49:21,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:21,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:21,353 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:21,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:21,353 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:21,353 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:21,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:21,357 INFO L229 MonitoredProcess]: Starting monitored process 279 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:21,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (279)] Waiting until timeout for monitored process [2024-11-09 00:49:21,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:21,650 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:21,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:21,682 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:21,682 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:22,009 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:22,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (279)] Ended with exit code 0 [2024-11-09 00:49:22,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:22,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:22,014 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:22,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:22,014 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:22,014 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:22,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:22,015 INFO L229 MonitoredProcess]: Starting monitored process 280 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:22,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (280)] Waiting until timeout for monitored process [2024-11-09 00:49:22,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:22,278 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:22,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:22,314 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:49:22,315 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:22,575 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:49:22,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (280)] Ended with exit code 0 [2024-11-09 00:49:22,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:22,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:22,581 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:22,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:22,581 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:22,581 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:22,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:22,582 INFO L229 MonitoredProcess]: Starting monitored process 281 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:22,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (281)] Waiting until timeout for monitored process [2024-11-09 00:49:22,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:22,892 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:22,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:22,932 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:22,932 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:23,271 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:23,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (281)] Ended with exit code 0 [2024-11-09 00:49:23,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:23,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:23,277 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:23,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:23,277 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:23,277 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:23,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:23,278 INFO L229 MonitoredProcess]: Starting monitored process 282 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:23,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (282)] Waiting until timeout for monitored process [2024-11-09 00:49:23,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:23,557 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:23,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:23,599 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:49:23,600 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:23,888 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:49:23,892 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (282)] Forceful destruction successful, exit code 0 [2024-11-09 00:49:23,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:23,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:23,895 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:23,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:23,895 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:23,895 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:23,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:23,897 INFO L229 MonitoredProcess]: Starting monitored process 283 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:23,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (283)] Waiting until timeout for monitored process [2024-11-09 00:49:24,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:24,183 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:24,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:24,235 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:24,236 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:24,554 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:24,557 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (283)] Ended with exit code 0 [2024-11-09 00:49:24,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:24,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:24,559 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:24,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:24,559 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:24,559 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:24,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:24,560 INFO L229 MonitoredProcess]: Starting monitored process 284 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:24,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (284)] Waiting until timeout for monitored process [2024-11-09 00:49:24,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:24,839 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:24,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:24,880 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:24,881 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:25,208 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:25,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (284)] Ended with exit code 0 [2024-11-09 00:49:25,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:25,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:25,214 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:25,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:25,214 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:25,214 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:25,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:25,216 INFO L229 MonitoredProcess]: Starting monitored process 285 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:25,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (285)] Waiting until timeout for monitored process [2024-11-09 00:49:25,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:25,493 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:25,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:25,536 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:49:25,537 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:25,809 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:49:25,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (285)] Forceful destruction successful, exit code 0 [2024-11-09 00:49:25,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:25,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:25,815 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:25,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:25,815 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:25,815 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:25,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:25,816 INFO L229 MonitoredProcess]: Starting monitored process 286 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:25,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (286)] Waiting until timeout for monitored process [2024-11-09 00:49:26,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:26,087 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:26,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:26,120 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:26,121 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:26,476 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:26,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (286)] Ended with exit code 0 [2024-11-09 00:49:26,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:26,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:26,481 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:26,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:26,481 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:26,481 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:26,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:26,482 INFO L229 MonitoredProcess]: Starting monitored process 287 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:26,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (287)] Waiting until timeout for monitored process [2024-11-09 00:49:26,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:26,753 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:26,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:26,789 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:26,789 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:27,099 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:27,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (287)] Ended with exit code 0 [2024-11-09 00:49:27,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:27,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:27,105 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:27,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:27,105 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:27,105 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:27,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:27,106 INFO L229 MonitoredProcess]: Starting monitored process 288 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:27,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (288)] Waiting until timeout for monitored process [2024-11-09 00:49:27,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:27,367 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:27,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:27,443 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:27,444 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:27,806 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:27,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (288)] Forceful destruction successful, exit code 0 [2024-11-09 00:49:27,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:27,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:27,811 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:27,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:27,812 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:27,812 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:27,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:27,813 INFO L229 MonitoredProcess]: Starting monitored process 289 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:27,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (289)] Waiting until timeout for monitored process [2024-11-09 00:49:28,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:28,093 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:28,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:28,136 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:49:28,137 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:28,486 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:49:28,491 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (289)] Ended with exit code 0 [2024-11-09 00:49:28,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:28,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:28,495 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:28,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:28,495 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:28,496 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:28,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:28,499 INFO L229 MonitoredProcess]: Starting monitored process 290 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:28,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (290)] Waiting until timeout for monitored process [2024-11-09 00:49:28,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:28,823 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:28,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:28,862 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:28,862 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:29,185 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:29,188 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (290)] Ended with exit code 0 [2024-11-09 00:49:29,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:29,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:29,190 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:29,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:29,190 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:29,191 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:29,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:29,194 INFO L229 MonitoredProcess]: Starting monitored process 291 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:29,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (291)] Waiting until timeout for monitored process [2024-11-09 00:49:29,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:29,490 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:29,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:29,531 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:29,531 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:29,883 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:29,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (291)] Ended with exit code 0 [2024-11-09 00:49:29,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:29,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:29,889 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:29,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:29,889 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:29,889 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:29,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:29,891 INFO L229 MonitoredProcess]: Starting monitored process 292 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:29,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (292)] Waiting until timeout for monitored process [2024-11-09 00:49:30,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:30,186 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:30,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:30,224 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:30,225 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:30,552 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:30,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (292)] Forceful destruction successful, exit code 0 [2024-11-09 00:49:30,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:30,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:30,558 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:30,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:30,558 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:30,558 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:30,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:30,559 INFO L229 MonitoredProcess]: Starting monitored process 293 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:30,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (293)] Waiting until timeout for monitored process [2024-11-09 00:49:30,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:30,832 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:30,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:30,866 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:30,867 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:31,220 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:31,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (293)] Forceful destruction successful, exit code 0 [2024-11-09 00:49:31,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:31,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:31,225 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:31,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:31,225 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:31,226 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:31,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:31,227 INFO L229 MonitoredProcess]: Starting monitored process 294 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:31,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (294)] Waiting until timeout for monitored process [2024-11-09 00:49:31,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:31,492 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:31,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:31,541 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:31,542 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:31,905 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:31,908 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (294)] Ended with exit code 0 [2024-11-09 00:49:31,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:31,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:31,910 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:31,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:31,910 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:31,910 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:31,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:31,912 INFO L229 MonitoredProcess]: Starting monitored process 295 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:31,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (295)] Waiting until timeout for monitored process [2024-11-09 00:49:32,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:32,190 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:32,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:32,230 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:49:32,231 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:32,500 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:49:32,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (295)] Forceful destruction successful, exit code 0 [2024-11-09 00:49:32,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:32,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:32,506 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:32,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:32,506 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:32,506 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:32,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:32,507 INFO L229 MonitoredProcess]: Starting monitored process 296 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:32,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (296)] Waiting until timeout for monitored process [2024-11-09 00:49:32,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:32,812 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:32,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:32,876 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:32,877 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:33,208 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:33,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (296)] Ended with exit code 0 [2024-11-09 00:49:33,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:33,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:33,215 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:33,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:33,215 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:33,215 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:33,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:33,218 INFO L229 MonitoredProcess]: Starting monitored process 297 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:33,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (297)] Waiting until timeout for monitored process [2024-11-09 00:49:33,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:33,505 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:33,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:33,575 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:33,576 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:33,906 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:33,908 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (297)] Ended with exit code 0 [2024-11-09 00:49:33,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:33,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:33,911 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:33,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:33,911 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:33,911 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:33,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:33,912 INFO L229 MonitoredProcess]: Starting monitored process 298 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:33,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (298)] Waiting until timeout for monitored process [2024-11-09 00:49:34,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:34,192 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:34,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:34,233 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:49:34,233 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:34,498 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:49:34,502 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (298)] Ended with exit code 0 [2024-11-09 00:49:34,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:34,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:34,504 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:34,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:34,504 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:34,504 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:34,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:34,505 INFO L229 MonitoredProcess]: Starting monitored process 299 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:34,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (299)] Waiting until timeout for monitored process [2024-11-09 00:49:34,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:34,811 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:34,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:34,847 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:34,847 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:35,186 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:35,189 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (299)] Forceful destruction successful, exit code 0 [2024-11-09 00:49:35,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:35,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:35,191 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:35,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:35,191 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:35,191 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:35,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:35,192 INFO L229 MonitoredProcess]: Starting monitored process 300 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:35,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (300)] Waiting until timeout for monitored process [2024-11-09 00:49:35,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:35,478 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:35,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:35,547 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:35,548 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:36,006 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:36,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (300)] Ended with exit code 0 [2024-11-09 00:49:36,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:36,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:36,013 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:36,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:36,014 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:36,014 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:36,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:36,017 INFO L229 MonitoredProcess]: Starting monitored process 301 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:36,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (301)] Waiting until timeout for monitored process [2024-11-09 00:49:36,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:36,320 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:36,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:36,363 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:49:36,364 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:36,650 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:49:36,653 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (301)] Forceful destruction successful, exit code 0 [2024-11-09 00:49:36,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:36,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:36,656 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:36,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:36,656 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:36,656 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:36,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:36,657 INFO L229 MonitoredProcess]: Starting monitored process 302 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:36,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (302)] Waiting until timeout for monitored process [2024-11-09 00:49:36,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:36,947 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:36,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:36,985 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:36,985 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:37,339 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:37,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (302)] Ended with exit code 0 [2024-11-09 00:49:37,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:37,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:37,345 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:37,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:37,345 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:37,345 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:37,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:37,346 INFO L229 MonitoredProcess]: Starting monitored process 303 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:37,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (303)] Waiting until timeout for monitored process [2024-11-09 00:49:37,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:37,652 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:37,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:37,720 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:37,721 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:38,034 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:38,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (303)] Forceful destruction successful, exit code 0 [2024-11-09 00:49:38,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:38,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:38,040 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:38,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:38,040 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:38,040 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:38,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:38,041 INFO L229 MonitoredProcess]: Starting monitored process 304 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:38,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (304)] Waiting until timeout for monitored process [2024-11-09 00:49:38,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:38,330 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:38,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:38,393 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:38,394 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:38,681 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:38,684 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (304)] Forceful destruction successful, exit code 0 [2024-11-09 00:49:38,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:38,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:38,687 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:38,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:38,687 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:38,687 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:38,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:38,688 INFO L229 MonitoredProcess]: Starting monitored process 305 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:38,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (305)] Waiting until timeout for monitored process [2024-11-09 00:49:38,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:38,929 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:38,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:38,961 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:38,962 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:39,227 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:39,230 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (305)] Forceful destruction successful, exit code 0 [2024-11-09 00:49:39,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:39,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:39,232 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:39,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:39,232 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:39,232 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:39,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:39,233 INFO L229 MonitoredProcess]: Starting monitored process 306 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:39,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (306)] Waiting until timeout for monitored process [2024-11-09 00:49:39,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:39,471 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:39,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:39,525 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:49:39,525 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:39,762 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:49:39,765 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (306)] Forceful destruction successful, exit code 0 [2024-11-09 00:49:39,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:39,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:39,767 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:39,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:39,767 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:39,767 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:39,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:39,768 INFO L229 MonitoredProcess]: Starting monitored process 307 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:39,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (307)] Waiting until timeout for monitored process [2024-11-09 00:49:40,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:40,012 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:40,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:40,042 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:40,043 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:40,324 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:40,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (307)] Forceful destruction successful, exit code 0 [2024-11-09 00:49:40,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:40,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:40,332 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:40,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:40,332 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:40,332 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:40,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:40,333 INFO L229 MonitoredProcess]: Starting monitored process 308 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:40,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (308)] Waiting until timeout for monitored process [2024-11-09 00:49:40,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:40,576 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:40,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:40,607 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:40,608 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:40,869 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:40,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (308)] Forceful destruction successful, exit code 0 [2024-11-09 00:49:40,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:40,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:40,875 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:40,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:40,875 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:40,875 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:40,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:40,876 INFO L229 MonitoredProcess]: Starting monitored process 309 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:40,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (309)] Waiting until timeout for monitored process [2024-11-09 00:49:41,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:41,118 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:41,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:41,152 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:49:41,153 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:41,382 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:49:41,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (309)] Ended with exit code 0 [2024-11-09 00:49:41,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:41,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:41,387 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:41,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:41,387 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:41,388 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:41,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:41,389 INFO L229 MonitoredProcess]: Starting monitored process 310 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:41,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (310)] Waiting until timeout for monitored process [2024-11-09 00:49:41,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:41,630 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:41,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:41,664 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:41,664 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:41,954 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:41,957 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (310)] Ended with exit code 0 [2024-11-09 00:49:41,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:41,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:41,959 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:41,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:41,959 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:41,959 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:41,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:41,960 INFO L229 MonitoredProcess]: Starting monitored process 311 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:41,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (311)] Waiting until timeout for monitored process [2024-11-09 00:49:42,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:42,206 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:42,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:42,239 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:42,240 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:42,536 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:42,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (311)] Forceful destruction successful, exit code 0 [2024-11-09 00:49:42,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:42,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:42,543 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:42,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:42,543 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:42,544 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:42,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:42,546 INFO L229 MonitoredProcess]: Starting monitored process 312 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:42,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (312)] Waiting until timeout for monitored process [2024-11-09 00:49:42,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:42,861 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:42,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:42,897 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:49:42,897 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:43,141 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:49:43,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (312)] Ended with exit code 0 [2024-11-09 00:49:43,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:43,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:43,146 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:43,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:43,146 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:43,146 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:43,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:43,147 INFO L229 MonitoredProcess]: Starting monitored process 313 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:43,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (313)] Waiting until timeout for monitored process [2024-11-09 00:49:43,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:43,387 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:43,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:43,432 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:43,433 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:43,705 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:43,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (313)] Ended with exit code 0 [2024-11-09 00:49:43,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:43,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:43,709 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:43,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:43,710 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:43,710 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:43,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:43,712 INFO L229 MonitoredProcess]: Starting monitored process 314 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:43,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (314)] Waiting until timeout for monitored process [2024-11-09 00:49:43,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:43,958 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:43,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:43,990 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:43,991 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:44,282 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:44,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (314)] Ended with exit code 0 [2024-11-09 00:49:44,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:44,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:44,286 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:44,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:44,287 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:44,287 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:44,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:44,288 INFO L229 MonitoredProcess]: Starting monitored process 315 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:44,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (315)] Waiting until timeout for monitored process [2024-11-09 00:49:44,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:44,540 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:44,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:44,581 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:44,581 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:44,934 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:44,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (315)] Ended with exit code 0 [2024-11-09 00:49:44,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:44,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:44,940 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:44,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:44,940 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:44,940 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:44,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:44,941 INFO L229 MonitoredProcess]: Starting monitored process 316 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:44,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (316)] Waiting until timeout for monitored process [2024-11-09 00:49:45,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:45,199 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:45,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:45,237 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:49:45,238 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:45,481 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:49:45,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (316)] Ended with exit code 0 [2024-11-09 00:49:45,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:45,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:45,486 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:45,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:45,486 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:45,486 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:45,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:45,487 INFO L229 MonitoredProcess]: Starting monitored process 317 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:45,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (317)] Waiting until timeout for monitored process [2024-11-09 00:49:45,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:45,743 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:45,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:45,804 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:45,804 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:46,064 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:46,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (317)] Forceful destruction successful, exit code 0 [2024-11-09 00:49:46,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:46,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:46,069 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:46,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:46,069 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:46,069 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:46,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:46,070 INFO L229 MonitoredProcess]: Starting monitored process 318 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:46,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (318)] Waiting until timeout for monitored process [2024-11-09 00:49:46,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:46,324 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:46,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:46,354 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:46,355 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:46,655 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:46,658 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (318)] Ended with exit code 0 [2024-11-09 00:49:46,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:46,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:46,659 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:46,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:46,660 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:46,660 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:46,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:46,663 INFO L229 MonitoredProcess]: Starting monitored process 319 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:46,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (319)] Waiting until timeout for monitored process [2024-11-09 00:49:47,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:47,017 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:47,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:47,123 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:47,124 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:47,492 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:47,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (319)] Forceful destruction successful, exit code 0 [2024-11-09 00:49:47,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:47,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:47,498 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:47,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:47,498 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:47,498 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:47,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:47,500 INFO L229 MonitoredProcess]: Starting monitored process 320 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:47,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (320)] Waiting until timeout for monitored process [2024-11-09 00:49:47,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:47,773 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:47,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:47,864 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:47,865 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:48,125 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:48,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (320)] Ended with exit code 0 [2024-11-09 00:49:48,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:48,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:48,131 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:48,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:48,131 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:48,131 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:48,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:48,132 INFO L229 MonitoredProcess]: Starting monitored process 321 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:48,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (321)] Waiting until timeout for monitored process [2024-11-09 00:49:48,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:48,374 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:48,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:48,433 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:48,434 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:48,715 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:48,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (321)] Forceful destruction successful, exit code 0 [2024-11-09 00:49:48,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:48,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:48,720 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:48,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:48,721 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:48,721 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:48,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:48,722 INFO L229 MonitoredProcess]: Starting monitored process 322 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:48,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (322)] Waiting until timeout for monitored process [2024-11-09 00:49:48,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:48,955 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:48,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:48,986 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:48,987 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:49,272 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:49,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (322)] Forceful destruction successful, exit code 0 [2024-11-09 00:49:49,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:49,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:49,277 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:49,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:49,277 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:49,277 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:49,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:49,278 INFO L229 MonitoredProcess]: Starting monitored process 323 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:49,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (323)] Waiting until timeout for monitored process [2024-11-09 00:49:49,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:49,510 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:49,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:49,539 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:49,540 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:49,838 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:49,842 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (323)] Ended with exit code 0 [2024-11-09 00:49:49,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:49,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:49,844 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:49,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:49,844 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:49,844 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:49,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:49,845 INFO L229 MonitoredProcess]: Starting monitored process 324 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:49,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (324)] Waiting until timeout for monitored process [2024-11-09 00:49:50,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:50,101 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:50,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:50,144 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:50,145 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:50,433 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:50,436 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (324)] Ended with exit code 0 [2024-11-09 00:49:50,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:50,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:50,437 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:50,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:50,438 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:50,438 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:50,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:50,439 INFO L229 MonitoredProcess]: Starting monitored process 325 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:50,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (325)] Waiting until timeout for monitored process [2024-11-09 00:49:50,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:50,731 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:50,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:50,789 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:50,789 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:51,098 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:51,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (325)] Ended with exit code 0 [2024-11-09 00:49:51,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:51,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:51,103 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:51,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:51,104 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:51,104 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:51,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:51,105 INFO L229 MonitoredProcess]: Starting monitored process 326 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:51,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (326)] Waiting until timeout for monitored process [2024-11-09 00:49:51,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:51,347 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:51,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:51,405 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:51,406 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:51,764 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:51,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (326)] Forceful destruction successful, exit code 0 [2024-11-09 00:49:51,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:51,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:51,769 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:51,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:51,769 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:51,769 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:51,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:51,773 INFO L229 MonitoredProcess]: Starting monitored process 327 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:51,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (327)] Waiting until timeout for monitored process [2024-11-09 00:49:52,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:52,031 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:52,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:52,062 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:52,063 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:52,344 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:52,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (327)] Ended with exit code 0 [2024-11-09 00:49:52,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:52,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:52,349 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:52,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:52,349 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:52,349 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:52,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:52,350 INFO L229 MonitoredProcess]: Starting monitored process 328 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:52,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (328)] Waiting until timeout for monitored process [2024-11-09 00:49:52,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:52,665 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:52,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:52,716 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:49:52,717 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:53,016 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:49:53,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (328)] Ended with exit code 0 [2024-11-09 00:49:53,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:53,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:53,022 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:53,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:53,022 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:53,022 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:53,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:53,023 INFO L229 MonitoredProcess]: Starting monitored process 329 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:53,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (329)] Waiting until timeout for monitored process [2024-11-09 00:49:53,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:53,286 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:53,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:53,351 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:53,352 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:53,704 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:53,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (329)] Forceful destruction successful, exit code 0 [2024-11-09 00:49:53,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:53,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:53,710 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:53,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:53,710 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:53,710 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:53,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:53,711 INFO L229 MonitoredProcess]: Starting monitored process 330 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:53,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (330)] Waiting until timeout for monitored process [2024-11-09 00:49:53,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:53,980 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:54,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:54,064 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:54,065 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:54,398 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:54,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (330)] Ended with exit code 0 [2024-11-09 00:49:54,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:54,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:54,403 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:54,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:54,403 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:54,403 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:54,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:54,404 INFO L229 MonitoredProcess]: Starting monitored process 331 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:54,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (331)] Waiting until timeout for monitored process [2024-11-09 00:49:54,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:54,670 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:54,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:54,746 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:54,747 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:55,021 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:55,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (331)] Ended with exit code 0 [2024-11-09 00:49:55,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:55,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:55,026 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:55,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:55,026 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:55,026 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:55,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:55,027 INFO L229 MonitoredProcess]: Starting monitored process 332 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:55,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (332)] Waiting until timeout for monitored process [2024-11-09 00:49:55,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:55,282 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:55,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:55,314 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:55,315 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:55,600 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:55,602 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (332)] Ended with exit code 0 [2024-11-09 00:49:55,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:55,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:55,604 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:55,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:55,604 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:55,605 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:55,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:55,606 INFO L229 MonitoredProcess]: Starting monitored process 333 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:55,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (333)] Waiting until timeout for monitored process [2024-11-09 00:49:55,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:55,844 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:55,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:55,873 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:55,874 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:56,160 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:56,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (333)] Forceful destruction successful, exit code 0 [2024-11-09 00:49:56,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:56,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:56,165 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:56,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:56,165 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:56,165 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:56,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:56,168 INFO L229 MonitoredProcess]: Starting monitored process 334 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:56,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (334)] Waiting until timeout for monitored process [2024-11-09 00:49:56,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:56,421 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:56,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:56,459 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:56,460 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:56,737 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:56,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (334)] Ended with exit code 0 [2024-11-09 00:49:56,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:56,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:56,742 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:56,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:56,742 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:56,742 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:56,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:56,743 INFO L229 MonitoredProcess]: Starting monitored process 335 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:56,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (335)] Waiting until timeout for monitored process [2024-11-09 00:49:57,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:57,063 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:57,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:57,096 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:57,096 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:57,420 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:57,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (335)] Ended with exit code 0 [2024-11-09 00:49:57,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:57,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:57,424 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:57,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:57,425 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:57,425 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:57,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:57,426 INFO L229 MonitoredProcess]: Starting monitored process 336 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:57,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (336)] Waiting until timeout for monitored process [2024-11-09 00:49:57,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:57,677 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:57,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:57,708 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:57,709 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:57,973 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:57,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (336)] Ended with exit code 0 [2024-11-09 00:49:57,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:57,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:57,978 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:57,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:57,978 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:57,978 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:57,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:57,979 INFO L229 MonitoredProcess]: Starting monitored process 337 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:57,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (337)] Waiting until timeout for monitored process [2024-11-09 00:49:58,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:58,223 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:58,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:58,293 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:58,294 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:58,614 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:58,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (337)] Ended with exit code 0 [2024-11-09 00:49:58,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:58,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:58,619 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:58,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:58,619 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:58,619 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:58,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:58,620 INFO L229 MonitoredProcess]: Starting monitored process 338 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:58,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (338)] Waiting until timeout for monitored process [2024-11-09 00:49:58,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:58,908 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:58,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:58,937 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:58,938 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:59,217 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:59,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (338)] Ended with exit code 0 [2024-11-09 00:49:59,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:59,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:59,222 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:59,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:59,222 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:59,222 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:59,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:59,223 INFO L229 MonitoredProcess]: Starting monitored process 339 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:59,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (339)] Waiting until timeout for monitored process [2024-11-09 00:49:59,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:59,462 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:59,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:59,493 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:49:59,494 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:59,815 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:49:59,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (339)] Ended with exit code 0 [2024-11-09 00:49:59,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:59,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:49:59,820 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:49:59,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:49:59,821 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:59,821 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:59,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:59,822 INFO L229 MonitoredProcess]: Starting monitored process 340 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:59,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (340)] Waiting until timeout for monitored process [2024-11-09 00:50:00,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:00,087 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:50:00,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:00,128 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:50:00,129 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:50:00,404 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:50:00,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (340)] Forceful destruction successful, exit code 0 [2024-11-09 00:50:00,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:00,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:50:00,410 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:50:00,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:50:00,410 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:00,410 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:50:00,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:50:00,412 INFO L229 MonitoredProcess]: Starting monitored process 341 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:50:00,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (341)] Waiting until timeout for monitored process [2024-11-09 00:50:00,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:00,708 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:50:00,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:00,748 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:50:00,749 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:50:01,024 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:50:01,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (341)] Ended with exit code 0 [2024-11-09 00:50:01,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:01,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:50:01,030 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:50:01,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:50:01,030 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:01,030 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:50:01,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:50:01,031 INFO L229 MonitoredProcess]: Starting monitored process 342 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:50:01,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (342)] Waiting until timeout for monitored process [2024-11-09 00:50:01,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:01,294 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:50:01,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:01,329 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:50:01,330 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:50:01,645 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:50:01,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (342)] Forceful destruction successful, exit code 0 [2024-11-09 00:50:01,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:01,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:50:01,650 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:50:01,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:50:01,650 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:01,650 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:50:01,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:50:01,651 INFO L229 MonitoredProcess]: Starting monitored process 343 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:50:01,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (343)] Waiting until timeout for monitored process [2024-11-09 00:50:01,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:01,940 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:50:01,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:01,975 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:50:01,976 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:50:02,297 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:50:02,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (343)] Ended with exit code 0 [2024-11-09 00:50:02,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:02,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:50:02,303 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:50:02,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:50:02,303 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:02,303 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:50:02,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:50:02,304 INFO L229 MonitoredProcess]: Starting monitored process 344 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:50:02,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (344)] Waiting until timeout for monitored process [2024-11-09 00:50:02,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:02,609 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:50:02,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:02,709 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:50:02,710 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:50:03,106 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:50:03,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (344)] Ended with exit code 0 [2024-11-09 00:50:03,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:03,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:50:03,112 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:50:03,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:50:03,112 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:03,113 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:50:03,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:50:03,114 INFO L229 MonitoredProcess]: Starting monitored process 345 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:50:03,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (345)] Waiting until timeout for monitored process [2024-11-09 00:50:03,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:03,462 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:50:03,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:03,553 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:50:03,554 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:50:03,889 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:50:03,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (345)] Ended with exit code 0 [2024-11-09 00:50:03,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:03,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:50:03,894 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:50:03,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:50:03,894 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:03,894 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:50:03,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:50:03,895 INFO L229 MonitoredProcess]: Starting monitored process 346 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:50:03,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (346)] Waiting until timeout for monitored process [2024-11-09 00:50:04,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:04,140 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:50:04,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:04,176 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:50:04,176 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:50:04,413 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:50:04,416 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (346)] Forceful destruction successful, exit code 0 [2024-11-09 00:50:04,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:04,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:50:04,419 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:50:04,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:50:04,419 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:04,419 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:50:04,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:50:04,422 INFO L229 MonitoredProcess]: Starting monitored process 347 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:50:04,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (347)] Waiting until timeout for monitored process [2024-11-09 00:50:04,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:04,690 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:50:04,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:04,739 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:50:04,739 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:50:05,088 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:50:05,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (347)] Forceful destruction successful, exit code 0 [2024-11-09 00:50:05,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:05,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:50:05,093 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:50:05,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:50:05,093 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:05,093 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:50:05,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:50:05,094 INFO L229 MonitoredProcess]: Starting monitored process 348 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:50:05,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (348)] Waiting until timeout for monitored process [2024-11-09 00:50:05,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:05,414 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:50:05,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:05,515 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:50:05,516 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:50:05,819 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:50:05,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (348)] Forceful destruction successful, exit code 0 [2024-11-09 00:50:05,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:05,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:50:05,823 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:50:05,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:50:05,823 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:05,823 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:50:05,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:50:05,824 INFO L229 MonitoredProcess]: Starting monitored process 349 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:50:05,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (349)] Waiting until timeout for monitored process [2024-11-09 00:50:06,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:06,111 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:50:06,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:06,170 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:50:06,170 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:50:06,445 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:50:06,447 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (349)] Ended with exit code 0 [2024-11-09 00:50:06,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:06,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:50:06,449 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:50:06,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:50:06,450 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:06,450 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:50:06,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:50:06,451 INFO L229 MonitoredProcess]: Starting monitored process 350 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:50:06,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (350)] Waiting until timeout for monitored process [2024-11-09 00:50:06,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:06,682 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:50:06,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:06,717 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:50:06,717 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:50:06,953 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:50:06,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (350)] Ended with exit code 0 [2024-11-09 00:50:06,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:06,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:50:06,957 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:50:06,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:50:06,958 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:06,958 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:50:06,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:50:06,959 INFO L229 MonitoredProcess]: Starting monitored process 351 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:50:06,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (351)] Waiting until timeout for monitored process [2024-11-09 00:50:07,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:07,188 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:50:07,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:07,221 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:50:07,222 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:50:07,539 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:50:07,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (351)] Ended with exit code 0 [2024-11-09 00:50:07,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:07,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:50:07,544 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:50:07,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:50:07,544 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:07,544 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:50:07,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:50:07,547 INFO L229 MonitoredProcess]: Starting monitored process 352 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:50:07,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (352)] Waiting until timeout for monitored process [2024-11-09 00:50:07,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:07,803 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:50:07,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:07,852 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:50:07,852 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:50:08,122 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:50:08,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (352)] Ended with exit code 0 [2024-11-09 00:50:08,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:08,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:50:08,126 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:50:08,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:50:08,128 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:08,128 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:50:08,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:50:08,129 INFO L229 MonitoredProcess]: Starting monitored process 353 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:50:08,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (353)] Waiting until timeout for monitored process [2024-11-09 00:50:08,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:08,381 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:50:08,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:08,414 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:50:08,415 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:50:08,722 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:50:08,725 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (353)] Forceful destruction successful, exit code 0 [2024-11-09 00:50:08,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:08,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:50:08,727 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:50:08,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:50:08,727 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:08,727 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:50:08,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:50:08,728 INFO L229 MonitoredProcess]: Starting monitored process 354 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:50:08,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (354)] Waiting until timeout for monitored process [2024-11-09 00:50:08,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:08,966 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:50:08,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:08,998 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:50:08,999 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:50:09,263 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:50:09,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (354)] Ended with exit code 0 [2024-11-09 00:50:09,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:09,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:50:09,267 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:50:09,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:50:09,267 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:09,268 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:50:09,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:50:09,269 INFO L229 MonitoredProcess]: Starting monitored process 355 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:50:09,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (355)] Waiting until timeout for monitored process [2024-11-09 00:50:09,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:09,535 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:50:09,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:09,580 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:50:09,580 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:50:09,843 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:50:09,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (355)] Ended with exit code 0 [2024-11-09 00:50:09,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:09,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:50:09,847 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:50:09,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:50:09,848 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:09,848 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:50:09,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:50:09,849 INFO L229 MonitoredProcess]: Starting monitored process 356 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:50:09,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (356)] Waiting until timeout for monitored process [2024-11-09 00:50:10,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:10,080 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:50:10,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:10,131 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:50:10,132 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:50:10,401 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:50:10,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (356)] Ended with exit code 0 [2024-11-09 00:50:10,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:10,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:50:10,406 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:50:10,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:50:10,406 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:10,406 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:50:10,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:50:10,407 INFO L229 MonitoredProcess]: Starting monitored process 357 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:50:10,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (357)] Waiting until timeout for monitored process [2024-11-09 00:50:10,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:10,636 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:50:10,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:10,665 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:50:10,666 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:50:10,964 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:50:10,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (357)] Forceful destruction successful, exit code 0 [2024-11-09 00:50:10,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:10,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:50:10,968 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:50:10,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:50:10,969 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:10,969 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:50:10,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:50:10,970 INFO L229 MonitoredProcess]: Starting monitored process 358 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:50:10,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (358)] Waiting until timeout for monitored process [2024-11-09 00:50:11,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:11,199 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:50:11,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:11,229 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:50:11,230 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:50:11,488 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:50:11,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (358)] Ended with exit code 0 [2024-11-09 00:50:11,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:11,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:50:11,492 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:50:11,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:50:11,492 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:11,492 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:50:11,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:50:11,493 INFO L229 MonitoredProcess]: Starting monitored process 359 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:50:11,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (359)] Waiting until timeout for monitored process [2024-11-09 00:50:11,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:11,741 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:50:11,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:11,772 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:50:11,773 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:50:12,113 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:50:12,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (359)] Ended with exit code 0 [2024-11-09 00:50:12,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:12,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:50:12,118 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:50:12,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:50:12,118 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:12,118 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:50:12,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:50:12,119 INFO L229 MonitoredProcess]: Starting monitored process 360 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:50:12,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (360)] Waiting until timeout for monitored process [2024-11-09 00:50:12,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:12,345 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:50:12,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:12,376 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:50:12,377 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:50:12,773 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:50:12,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (360)] Ended with exit code 0 [2024-11-09 00:50:12,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:12,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:50:12,778 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:50:12,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:50:12,778 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:12,778 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:50:12,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:50:12,779 INFO L229 MonitoredProcess]: Starting monitored process 361 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:50:12,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (361)] Waiting until timeout for monitored process [2024-11-09 00:50:13,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:13,018 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:50:13,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:13,049 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:50:13,049 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:50:13,305 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:50:13,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (361)] Ended with exit code 0 [2024-11-09 00:50:13,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:13,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:50:13,310 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:50:13,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:50:13,310 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:13,310 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:50:13,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:50:13,311 INFO L229 MonitoredProcess]: Starting monitored process 362 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:50:13,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (362)] Waiting until timeout for monitored process [2024-11-09 00:50:13,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:13,559 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:50:13,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:13,614 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:50:13,614 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:50:13,931 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:50:13,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (362)] Ended with exit code 0 [2024-11-09 00:50:13,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:13,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:50:13,937 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:50:13,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:50:13,937 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:13,937 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:50:13,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:50:13,940 INFO L229 MonitoredProcess]: Starting monitored process 363 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:50:13,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (363)] Waiting until timeout for monitored process [2024-11-09 00:50:14,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:14,170 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:50:14,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:14,205 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:50:14,206 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:50:14,426 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:50:14,428 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (363)] Ended with exit code 0 [2024-11-09 00:50:14,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:14,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:50:14,430 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:50:14,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:50:14,431 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:14,431 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:50:14,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:50:14,432 INFO L229 MonitoredProcess]: Starting monitored process 364 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:50:14,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (364)] Waiting until timeout for monitored process [2024-11-09 00:50:14,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:14,700 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:50:14,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:14,754 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:50:14,755 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:50:15,050 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:50:15,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (364)] Forceful destruction successful, exit code 0 [2024-11-09 00:50:15,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:15,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:50:15,055 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:50:15,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:50:15,055 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:15,055 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:50:15,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:50:15,056 INFO L229 MonitoredProcess]: Starting monitored process 365 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:50:15,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (365)] Waiting until timeout for monitored process [2024-11-09 00:50:15,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:15,285 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:50:15,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:15,321 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:50:15,322 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:50:15,547 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:50:15,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (365)] Ended with exit code 0 [2024-11-09 00:50:15,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:15,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:50:15,553 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:50:15,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:50:15,553 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:15,553 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:50:15,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:50:15,555 INFO L229 MonitoredProcess]: Starting monitored process 366 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:50:15,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (366)] Waiting until timeout for monitored process [2024-11-09 00:50:15,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:15,787 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:50:15,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:15,845 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:50:15,845 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:50:16,153 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:50:16,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (366)] Forceful destruction successful, exit code 0 [2024-11-09 00:50:16,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:16,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:50:16,158 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:50:16,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:50:16,158 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:16,158 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:50:16,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:50:16,159 INFO L229 MonitoredProcess]: Starting monitored process 367 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:50:16,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (367)] Waiting until timeout for monitored process [2024-11-09 00:50:16,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:16,386 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:50:16,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:16,417 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:50:16,418 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:50:16,688 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:50:16,690 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (367)] Forceful destruction successful, exit code 0 [2024-11-09 00:50:16,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:16,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:50:16,692 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:50:16,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:50:16,692 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:16,693 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:50:16,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:50:16,694 INFO L229 MonitoredProcess]: Starting monitored process 368 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:50:16,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (368)] Waiting until timeout for monitored process [2024-11-09 00:50:16,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:16,948 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:50:16,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:16,999 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:50:16,999 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:50:17,307 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:50:17,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (368)] Ended with exit code 0 [2024-11-09 00:50:17,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:17,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:50:17,312 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:50:17,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:50:17,312 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:17,312 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:50:17,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:50:17,313 INFO L229 MonitoredProcess]: Starting monitored process 369 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:50:17,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (369)] Waiting until timeout for monitored process [2024-11-09 00:50:17,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:17,549 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:50:17,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:17,598 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:50:17,599 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:50:17,883 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:50:17,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (369)] Ended with exit code 0 [2024-11-09 00:50:17,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:17,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:50:17,887 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:50:17,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:50:17,887 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:17,888 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:50:17,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:50:17,889 INFO L229 MonitoredProcess]: Starting monitored process 370 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:50:17,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (370)] Waiting until timeout for monitored process [2024-11-09 00:50:18,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:18,124 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:50:18,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:18,175 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:50:18,176 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:50:18,482 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:50:18,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (370)] Ended with exit code 0 [2024-11-09 00:50:18,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:18,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:50:18,486 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:50:18,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:50:18,487 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:18,487 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:50:18,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:50:18,488 INFO L229 MonitoredProcess]: Starting monitored process 371 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:50:18,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (371)] Waiting until timeout for monitored process [2024-11-09 00:50:18,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:18,723 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:50:18,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:18,781 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:50:18,782 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:50:19,066 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:50:19,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (371)] Ended with exit code 0 [2024-11-09 00:50:19,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:19,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:50:19,071 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:50:19,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:50:19,071 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:19,071 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:50:19,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:50:19,072 INFO L229 MonitoredProcess]: Starting monitored process 372 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:50:19,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (372)] Waiting until timeout for monitored process [2024-11-09 00:50:19,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:19,314 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:50:19,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:19,365 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:50:19,365 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:50:19,688 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:50:19,691 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (372)] Ended with exit code 0 [2024-11-09 00:50:19,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:19,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:50:19,693 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:50:19,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:50:19,694 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:19,694 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:50:19,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:50:19,695 INFO L229 MonitoredProcess]: Starting monitored process 373 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:50:19,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (373)] Waiting until timeout for monitored process [2024-11-09 00:50:19,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:19,988 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:50:20,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:20,025 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:50:20,026 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:50:20,267 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:50:20,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (373)] Ended with exit code 0 [2024-11-09 00:50:20,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:20,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:50:20,272 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:50:20,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:50:20,272 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:20,272 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:50:20,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:50:20,273 INFO L229 MonitoredProcess]: Starting monitored process 374 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:50:20,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (374)] Waiting until timeout for monitored process [2024-11-09 00:50:20,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:20,523 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:50:20,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:20,587 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:50:20,588 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:50:20,897 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:50:20,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (374)] Ended with exit code 0 [2024-11-09 00:50:20,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:20,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-09 00:50:20,902 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-09 00:50:20,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:50:20,902 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:20,902 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:50:20,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:50:20,903 INFO L229 MonitoredProcess]: Starting monitored process 375 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:50:20,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (375)] Waiting until timeout for monitored process [2024-11-09 00:50:21,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:21,141 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:50:21,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:21,171 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:50:21,171 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:50:21,438 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:50:21,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (375)] Forceful destruction successful, exit code 0 WARNING: YOUR LOGFILE WAS TOO LONG, SOME LINES IN THE MIDDLE WERE REMOVED. [2024-11-09 00:58:06,669 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:06,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:06,669 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:06,669 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:06,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:06,670 INFO L229 MonitoredProcess]: Starting monitored process 1427 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:06,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1427)] Waiting until timeout for monitored process [2024-11-09 00:58:06,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:06,896 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:06,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:06,981 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:58:06,982 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:07,218 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:58:07,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1427)] Ended with exit code 0 [2024-11-09 00:58:07,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:07,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:07,232 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:07,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:07,232 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:07,232 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:07,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:07,233 INFO L229 MonitoredProcess]: Starting monitored process 1428 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:07,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1428)] Waiting until timeout for monitored process [2024-11-09 00:58:07,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:07,457 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:07,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:07,486 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:07,486 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:07,610 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:07,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1428)] Ended with exit code 0 [2024-11-09 00:58:07,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:07,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:07,614 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:07,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:07,614 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:07,614 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:07,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:07,615 INFO L229 MonitoredProcess]: Starting monitored process 1429 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:07,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1429)] Waiting until timeout for monitored process [2024-11-09 00:58:07,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:07,843 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:07,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:07,892 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:07,893 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:08,008 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:08,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1429)] Forceful destruction successful, exit code 0 [2024-11-09 00:58:08,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:08,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:08,013 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:08,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:08,013 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:08,013 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:08,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:08,014 INFO L229 MonitoredProcess]: Starting monitored process 1430 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:08,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1430)] Waiting until timeout for monitored process [2024-11-09 00:58:08,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:08,245 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:08,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:08,276 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:08,277 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:08,392 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:08,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1430)] Ended with exit code 0 [2024-11-09 00:58:08,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:08,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:08,397 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:08,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:08,397 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:08,397 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:08,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:08,398 INFO L229 MonitoredProcess]: Starting monitored process 1431 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:08,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1431)] Waiting until timeout for monitored process [2024-11-09 00:58:08,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:08,626 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:08,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:08,660 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:58:08,661 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:08,892 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:58:08,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1431)] Ended with exit code 0 [2024-11-09 00:58:08,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:08,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:08,911 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:08,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:08,911 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:08,911 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:08,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:08,912 INFO L229 MonitoredProcess]: Starting monitored process 1432 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:08,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1432)] Waiting until timeout for monitored process [2024-11-09 00:58:09,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:09,139 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:09,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:09,170 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:09,171 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:09,286 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:09,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1432)] Ended with exit code 0 [2024-11-09 00:58:09,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:09,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:09,291 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:09,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:09,291 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:09,291 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:09,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:09,292 INFO L229 MonitoredProcess]: Starting monitored process 1433 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:09,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1433)] Waiting until timeout for monitored process [2024-11-09 00:58:09,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:09,519 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:09,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:09,569 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:09,570 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:09,686 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:09,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1433)] Forceful destruction successful, exit code 0 [2024-11-09 00:58:09,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:09,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:09,692 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:09,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:09,692 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:09,692 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:09,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:09,693 INFO L229 MonitoredProcess]: Starting monitored process 1434 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:09,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1434)] Waiting until timeout for monitored process [2024-11-09 00:58:09,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:09,917 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:09,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:09,973 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:09,973 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:10,091 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:10,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1434)] Forceful destruction successful, exit code 0 [2024-11-09 00:58:10,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:10,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:10,097 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:10,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:10,097 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:10,097 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:10,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:10,098 INFO L229 MonitoredProcess]: Starting monitored process 1435 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:10,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1435)] Waiting until timeout for monitored process [2024-11-09 00:58:10,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:10,328 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:10,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:10,358 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:10,359 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:10,480 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:10,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1435)] Forceful destruction successful, exit code 0 [2024-11-09 00:58:10,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:10,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:10,484 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:10,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:10,484 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:10,484 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:10,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:10,485 INFO L229 MonitoredProcess]: Starting monitored process 1436 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:10,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1436)] Waiting until timeout for monitored process [2024-11-09 00:58:10,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:10,712 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:10,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:10,748 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:58:10,748 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:10,970 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:58:10,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1436)] Ended with exit code 0 [2024-11-09 00:58:10,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:10,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:10,990 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:10,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:10,990 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:10,991 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:10,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:10,991 INFO L229 MonitoredProcess]: Starting monitored process 1437 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:10,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1437)] Waiting until timeout for monitored process [2024-11-09 00:58:11,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:11,218 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:11,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:11,254 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:58:11,255 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:11,494 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:58:11,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1437)] Forceful destruction successful, exit code 0 [2024-11-09 00:58:11,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:11,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:11,520 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:11,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:11,521 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:11,521 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:11,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:11,523 INFO L229 MonitoredProcess]: Starting monitored process 1438 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:11,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1438)] Waiting until timeout for monitored process [2024-11-09 00:58:11,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:11,746 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:11,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:11,774 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:11,775 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:11,892 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:11,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1438)] Forceful destruction successful, exit code 0 [2024-11-09 00:58:11,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:11,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:11,897 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:11,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:11,898 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:11,898 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:11,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:11,899 INFO L229 MonitoredProcess]: Starting monitored process 1439 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:11,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1439)] Waiting until timeout for monitored process [2024-11-09 00:58:12,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:12,129 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:12,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:12,162 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:12,162 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:12,277 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:12,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1439)] Forceful destruction successful, exit code 0 [2024-11-09 00:58:12,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:12,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:12,282 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:12,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:12,283 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:12,283 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:12,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:12,284 INFO L229 MonitoredProcess]: Starting monitored process 1440 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:12,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1440)] Waiting until timeout for monitored process [2024-11-09 00:58:12,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:12,513 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:12,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:12,549 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:58:12,549 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:12,779 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:58:12,782 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1440)] Forceful destruction successful, exit code 0 [2024-11-09 00:58:12,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:12,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:12,798 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:12,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:12,798 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:12,798 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:12,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:12,799 INFO L229 MonitoredProcess]: Starting monitored process 1441 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:12,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1441)] Waiting until timeout for monitored process [2024-11-09 00:58:13,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:13,028 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:13,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:13,073 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:13,074 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:13,201 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:13,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1441)] Ended with exit code 0 [2024-11-09 00:58:13,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:13,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:13,205 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:13,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:13,206 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:13,206 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:13,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:13,207 INFO L229 MonitoredProcess]: Starting monitored process 1442 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:13,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1442)] Waiting until timeout for monitored process [2024-11-09 00:58:13,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:13,433 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:13,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:13,464 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:13,464 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:13,622 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:13,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1442)] Ended with exit code 0 [2024-11-09 00:58:13,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:13,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:13,627 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:13,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:13,627 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:13,627 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:13,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:13,628 INFO L229 MonitoredProcess]: Starting monitored process 1443 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:13,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1443)] Waiting until timeout for monitored process [2024-11-09 00:58:13,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:13,885 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:13,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:13,919 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:13,920 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:14,039 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:14,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1443)] Ended with exit code 0 [2024-11-09 00:58:14,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:14,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:14,044 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:14,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:14,044 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:14,044 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:14,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:14,045 INFO L229 MonitoredProcess]: Starting monitored process 1444 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:14,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1444)] Waiting until timeout for monitored process [2024-11-09 00:58:14,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:14,274 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:14,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:14,305 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:14,306 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:14,428 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:14,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1444)] Forceful destruction successful, exit code 0 [2024-11-09 00:58:14,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:14,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:14,433 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:14,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:14,433 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:14,433 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:14,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:14,434 INFO L229 MonitoredProcess]: Starting monitored process 1445 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:14,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1445)] Waiting until timeout for monitored process [2024-11-09 00:58:14,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:14,706 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:14,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:14,745 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:58:14,745 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:15,003 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:58:15,005 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1445)] Ended with exit code 0 [2024-11-09 00:58:15,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:15,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:15,021 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:15,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:15,022 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:15,022 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:15,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:15,023 INFO L229 MonitoredProcess]: Starting monitored process 1446 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:15,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1446)] Waiting until timeout for monitored process [2024-11-09 00:58:15,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:15,253 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:15,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:15,334 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:58:15,335 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:15,574 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:58:15,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1446)] Ended with exit code 0 [2024-11-09 00:58:15,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:15,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:15,591 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:15,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:15,591 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:15,592 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:15,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:15,592 INFO L229 MonitoredProcess]: Starting monitored process 1447 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:15,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1447)] Waiting until timeout for monitored process [2024-11-09 00:58:15,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:15,821 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:15,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:15,889 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:15,889 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:16,006 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:16,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1447)] Ended with exit code 0 [2024-11-09 00:58:16,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:16,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:16,011 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:16,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:16,011 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:16,012 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:16,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:16,012 INFO L229 MonitoredProcess]: Starting monitored process 1448 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:16,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1448)] Waiting until timeout for monitored process [2024-11-09 00:58:16,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:16,233 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:16,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:16,265 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:16,266 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:16,381 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:16,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1448)] Ended with exit code 0 [2024-11-09 00:58:16,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:16,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:16,385 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:16,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:16,385 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:16,385 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:16,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:16,386 INFO L229 MonitoredProcess]: Starting monitored process 1449 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:16,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1449)] Waiting until timeout for monitored process [2024-11-09 00:58:16,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:16,617 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:16,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:16,652 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:58:16,653 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:16,900 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:58:16,902 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1449)] Ended with exit code 0 [2024-11-09 00:58:16,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:16,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:16,915 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:16,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:16,915 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:16,916 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:16,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:16,916 INFO L229 MonitoredProcess]: Starting monitored process 1450 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:16,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1450)] Waiting until timeout for monitored process [2024-11-09 00:58:17,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:17,144 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:17,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:17,174 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:17,174 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:17,291 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:17,293 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1450)] Ended with exit code 0 [2024-11-09 00:58:17,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:17,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:17,298 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:17,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:17,299 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:17,299 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:17,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:17,300 INFO L229 MonitoredProcess]: Starting monitored process 1451 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:17,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1451)] Waiting until timeout for monitored process [2024-11-09 00:58:17,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:17,525 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:17,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:17,591 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:17,592 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:17,706 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:17,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1451)] Ended with exit code 0 [2024-11-09 00:58:17,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:17,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:17,711 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:17,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:17,711 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:17,711 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:17,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:17,712 INFO L229 MonitoredProcess]: Starting monitored process 1452 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:17,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1452)] Waiting until timeout for monitored process [2024-11-09 00:58:17,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:17,941 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:17,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:17,994 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:17,994 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:18,120 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:18,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1452)] Ended with exit code 0 [2024-11-09 00:58:18,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:18,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:18,125 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:18,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:18,125 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:18,125 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:18,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:18,126 INFO L229 MonitoredProcess]: Starting monitored process 1453 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:18,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1453)] Waiting until timeout for monitored process [2024-11-09 00:58:18,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:18,355 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:18,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:18,396 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:18,397 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:18,512 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:18,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1453)] Ended with exit code 0 [2024-11-09 00:58:18,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:18,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:18,516 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:18,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:18,516 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:18,516 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:18,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:18,517 INFO L229 MonitoredProcess]: Starting monitored process 1454 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:18,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1454)] Waiting until timeout for monitored process [2024-11-09 00:58:18,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:18,754 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:18,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:18,806 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:18,806 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:18,922 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:18,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1454)] Ended with exit code 0 [2024-11-09 00:58:18,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:18,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:18,927 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:18,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:18,927 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:18,927 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:18,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:18,928 INFO L229 MonitoredProcess]: Starting monitored process 1455 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:18,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1455)] Waiting until timeout for monitored process [2024-11-09 00:58:19,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:19,155 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:19,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:19,208 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:19,208 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:19,324 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:19,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1455)] Ended with exit code 0 [2024-11-09 00:58:19,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:19,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:19,328 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:19,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:19,328 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:19,328 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:19,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:19,329 INFO L229 MonitoredProcess]: Starting monitored process 1456 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:19,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1456)] Waiting until timeout for monitored process [2024-11-09 00:58:19,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:19,556 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:19,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:19,618 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:19,619 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:19,737 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:19,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1456)] Ended with exit code 0 [2024-11-09 00:58:19,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:19,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:19,742 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:19,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:19,742 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:19,743 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:19,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:19,743 INFO L229 MonitoredProcess]: Starting monitored process 1457 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:19,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1457)] Waiting until timeout for monitored process [2024-11-09 00:58:19,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:19,973 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:20,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:20,043 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:20,044 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:20,156 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:20,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1457)] Ended with exit code 0 [2024-11-09 00:58:20,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:20,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:20,161 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:20,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:20,161 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:20,161 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:20,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:20,162 INFO L229 MonitoredProcess]: Starting monitored process 1458 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:20,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1458)] Waiting until timeout for monitored process [2024-11-09 00:58:20,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:20,389 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:20,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:20,446 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:20,447 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:20,592 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:20,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1458)] Ended with exit code 0 [2024-11-09 00:58:20,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:20,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:20,596 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:20,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:20,596 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:20,596 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:20,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:20,597 INFO L229 MonitoredProcess]: Starting monitored process 1459 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:20,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1459)] Waiting until timeout for monitored process [2024-11-09 00:58:20,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:20,826 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:20,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:20,859 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:20,860 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:20,972 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:20,974 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1459)] Forceful destruction successful, exit code 0 [2024-11-09 00:58:20,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:20,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:20,976 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:20,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:20,977 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:20,977 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:20,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:20,978 INFO L229 MonitoredProcess]: Starting monitored process 1460 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:20,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1460)] Waiting until timeout for monitored process [2024-11-09 00:58:21,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:21,203 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:21,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:21,254 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:21,255 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:21,366 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:21,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1460)] Ended with exit code 0 [2024-11-09 00:58:21,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:21,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:21,370 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:21,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:21,370 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:21,371 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:21,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:21,371 INFO L229 MonitoredProcess]: Starting monitored process 1461 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:21,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1461)] Waiting until timeout for monitored process [2024-11-09 00:58:21,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:21,599 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:21,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:21,630 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:21,630 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:21,746 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:21,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1461)] Ended with exit code 0 [2024-11-09 00:58:21,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:21,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:21,751 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:21,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:21,751 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:21,751 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:21,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:21,752 INFO L229 MonitoredProcess]: Starting monitored process 1462 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:21,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1462)] Waiting until timeout for monitored process [2024-11-09 00:58:21,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:21,978 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:22,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:22,032 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:22,033 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:22,148 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:22,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1462)] Ended with exit code 0 [2024-11-09 00:58:22,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:22,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:22,153 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:22,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:22,153 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:22,153 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:22,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:22,154 INFO L229 MonitoredProcess]: Starting monitored process 1463 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:22,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1463)] Waiting until timeout for monitored process [2024-11-09 00:58:22,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:22,375 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:22,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:22,403 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:22,404 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:22,540 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:22,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1463)] Ended with exit code 0 [2024-11-09 00:58:22,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:22,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:22,544 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:22,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:22,545 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:22,545 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:22,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:22,546 INFO L229 MonitoredProcess]: Starting monitored process 1464 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:22,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1464)] Waiting until timeout for monitored process [2024-11-09 00:58:22,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:22,772 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:22,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:22,807 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:58:22,807 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:23,029 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:58:23,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1464)] Ended with exit code 0 [2024-11-09 00:58:23,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:23,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:23,049 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:23,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:23,049 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:23,049 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:23,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:23,050 INFO L229 MonitoredProcess]: Starting monitored process 1465 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:23,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1465)] Waiting until timeout for monitored process [2024-11-09 00:58:23,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:23,293 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:23,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:23,391 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:58:23,392 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:23,674 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:58:23,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1465)] Forceful destruction successful, exit code 0 [2024-11-09 00:58:23,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:23,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:23,692 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:23,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:23,692 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:23,692 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:23,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:23,693 INFO L229 MonitoredProcess]: Starting monitored process 1466 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:23,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1466)] Waiting until timeout for monitored process [2024-11-09 00:58:23,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:23,921 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:23,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:23,962 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:23,962 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:24,079 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:24,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1466)] Ended with exit code 0 [2024-11-09 00:58:24,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:24,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:24,084 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:24,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:24,084 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:24,084 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:24,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:24,085 INFO L229 MonitoredProcess]: Starting monitored process 1467 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:24,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1467)] Waiting until timeout for monitored process [2024-11-09 00:58:24,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:24,313 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:24,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:24,345 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:24,345 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:24,468 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:24,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1467)] Ended with exit code 0 [2024-11-09 00:58:24,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:24,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:24,472 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:24,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:24,473 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:24,473 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:24,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:24,473 INFO L229 MonitoredProcess]: Starting monitored process 1468 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:24,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1468)] Waiting until timeout for monitored process [2024-11-09 00:58:24,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:24,710 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:24,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:24,744 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:24,745 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:24,898 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:24,900 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1468)] Forceful destruction successful, exit code 0 [2024-11-09 00:58:24,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:24,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:24,902 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:24,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:24,902 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:24,902 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:24,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:24,903 INFO L229 MonitoredProcess]: Starting monitored process 1469 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:24,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1469)] Waiting until timeout for monitored process [2024-11-09 00:58:25,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:25,130 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:25,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:25,191 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:25,192 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:25,318 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:25,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1469)] Forceful destruction successful, exit code 0 [2024-11-09 00:58:25,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:25,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:25,323 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:25,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:25,323 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:25,323 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:25,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:25,324 INFO L229 MonitoredProcess]: Starting monitored process 1470 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:25,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1470)] Waiting until timeout for monitored process [2024-11-09 00:58:25,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:25,552 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:25,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:25,614 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:25,615 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:25,724 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:25,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1470)] Forceful destruction successful, exit code 0 [2024-11-09 00:58:25,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:25,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:25,730 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:25,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:25,730 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:25,730 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:25,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:25,731 INFO L229 MonitoredProcess]: Starting monitored process 1471 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:25,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1471)] Waiting until timeout for monitored process [2024-11-09 00:58:25,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:25,956 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:25,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:25,991 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:58:25,992 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:26,213 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:58:26,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1471)] Ended with exit code 0 [2024-11-09 00:58:26,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:26,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:26,230 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:26,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:26,230 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:26,231 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:26,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:26,231 INFO L229 MonitoredProcess]: Starting monitored process 1472 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:26,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1472)] Waiting until timeout for monitored process [2024-11-09 00:58:26,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:26,457 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:26,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:26,486 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:26,487 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:26,601 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:26,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1472)] Ended with exit code 0 [2024-11-09 00:58:26,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:26,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:26,606 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:26,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:26,606 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:26,606 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:26,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:26,607 INFO L229 MonitoredProcess]: Starting monitored process 1473 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:26,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1473)] Waiting until timeout for monitored process [2024-11-09 00:58:26,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:26,838 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:26,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:26,870 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:26,871 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:26,987 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:26,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1473)] Forceful destruction successful, exit code 0 [2024-11-09 00:58:26,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:26,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:26,991 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:26,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:26,992 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:26,992 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:26,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:26,992 INFO L229 MonitoredProcess]: Starting monitored process 1474 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:26,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1474)] Waiting until timeout for monitored process [2024-11-09 00:58:27,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:27,219 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:27,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:27,269 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:27,269 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:27,384 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:27,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1474)] Forceful destruction successful, exit code 0 [2024-11-09 00:58:27,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:27,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:27,389 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:27,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:27,389 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:27,390 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:27,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:27,390 INFO L229 MonitoredProcess]: Starting monitored process 1475 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:27,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1475)] Waiting until timeout for monitored process [2024-11-09 00:58:27,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:27,615 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:27,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:27,682 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:27,683 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:27,798 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:27,800 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1475)] Forceful destruction successful, exit code 0 [2024-11-09 00:58:27,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:27,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:27,803 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:27,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:27,803 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:27,803 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:27,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:27,804 INFO L229 MonitoredProcess]: Starting monitored process 1476 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:27,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1476)] Waiting until timeout for monitored process [2024-11-09 00:58:28,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:28,034 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:28,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:28,069 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:28,069 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:28,184 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:28,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1476)] Ended with exit code 0 [2024-11-09 00:58:28,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:28,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:28,189 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:28,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:28,189 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:28,189 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:28,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:28,190 INFO L229 MonitoredProcess]: Starting monitored process 1477 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:28,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1477)] Waiting until timeout for monitored process [2024-11-09 00:58:28,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:28,419 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:28,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:28,450 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:28,450 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:28,565 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:28,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1477)] Ended with exit code 0 [2024-11-09 00:58:28,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:28,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:28,570 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:28,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:28,570 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:28,570 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:28,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:28,571 INFO L229 MonitoredProcess]: Starting monitored process 1478 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:28,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1478)] Waiting until timeout for monitored process [2024-11-09 00:58:28,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:28,802 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:28,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:28,855 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:28,856 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:28,967 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:28,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1478)] Ended with exit code 0 [2024-11-09 00:58:28,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:28,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:28,972 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:28,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:28,972 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:28,972 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:28,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:28,973 INFO L229 MonitoredProcess]: Starting monitored process 1479 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:28,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1479)] Waiting until timeout for monitored process [2024-11-09 00:58:29,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:29,200 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:29,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:29,234 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:58:29,235 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:29,455 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:58:29,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1479)] Ended with exit code 0 [2024-11-09 00:58:29,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:29,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:29,471 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:29,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:29,471 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:29,471 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:29,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:29,472 INFO L229 MonitoredProcess]: Starting monitored process 1480 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:29,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1480)] Waiting until timeout for monitored process [2024-11-09 00:58:29,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:29,701 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:29,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:29,734 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:29,735 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:29,845 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:29,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1480)] Ended with exit code 0 [2024-11-09 00:58:29,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:29,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:29,849 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:29,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:29,850 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:29,850 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:29,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:29,851 INFO L229 MonitoredProcess]: Starting monitored process 1481 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:29,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1481)] Waiting until timeout for monitored process [2024-11-09 00:58:30,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:30,072 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:30,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:30,131 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:30,132 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:30,247 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:30,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1481)] Ended with exit code 0 [2024-11-09 00:58:30,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:30,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:30,251 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:30,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:30,251 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:30,251 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:30,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:30,252 INFO L229 MonitoredProcess]: Starting monitored process 1482 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:30,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1482)] Waiting until timeout for monitored process [2024-11-09 00:58:30,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:30,483 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:30,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:30,516 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:30,517 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:30,635 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:30,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1482)] Ended with exit code 0 [2024-11-09 00:58:30,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:30,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:30,639 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:30,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:30,640 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:30,640 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:30,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:30,641 INFO L229 MonitoredProcess]: Starting monitored process 1483 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:30,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1483)] Waiting until timeout for monitored process [2024-11-09 00:58:30,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:30,870 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:30,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:30,905 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:58:30,906 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:31,127 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:58:31,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1483)] Forceful destruction successful, exit code 0 [2024-11-09 00:58:31,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:31,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:31,143 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:31,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:31,143 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:31,144 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:31,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:31,144 INFO L229 MonitoredProcess]: Starting monitored process 1484 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:31,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1484)] Waiting until timeout for monitored process [2024-11-09 00:58:31,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:31,369 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:31,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:31,401 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:31,402 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:31,524 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:31,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1484)] Ended with exit code 0 [2024-11-09 00:58:31,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:31,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:31,529 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:31,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:31,529 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:31,529 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:31,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:31,530 INFO L229 MonitoredProcess]: Starting monitored process 1485 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:31,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1485)] Waiting until timeout for monitored process [2024-11-09 00:58:31,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:31,761 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:31,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:31,792 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:31,793 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:31,905 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:31,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1485)] Ended with exit code 0 [2024-11-09 00:58:31,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:31,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:31,909 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:31,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:31,909 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:31,910 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:31,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:31,910 INFO L229 MonitoredProcess]: Starting monitored process 1486 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:31,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1486)] Waiting until timeout for monitored process [2024-11-09 00:58:32,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:32,141 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:32,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:32,196 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:32,197 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:32,320 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:32,322 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1486)] Forceful destruction successful, exit code 0 [2024-11-09 00:58:32,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:32,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:32,325 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:32,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:32,325 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:32,325 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:32,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:32,326 INFO L229 MonitoredProcess]: Starting monitored process 1487 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:32,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1487)] Waiting until timeout for monitored process [2024-11-09 00:58:32,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:32,585 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:32,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:32,686 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:32,687 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:32,815 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:32,817 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1487)] Ended with exit code 0 [2024-11-09 00:58:32,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:32,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:32,819 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:32,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:32,819 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:32,820 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:32,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:32,820 INFO L229 MonitoredProcess]: Starting monitored process 1488 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:32,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1488)] Waiting until timeout for monitored process [2024-11-09 00:58:33,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:33,065 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:33,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:33,101 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:58:33,101 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:33,329 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:58:33,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1488)] Forceful destruction successful, exit code 0 [2024-11-09 00:58:33,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:33,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:33,345 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:33,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:33,345 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:33,345 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:33,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:33,346 INFO L229 MonitoredProcess]: Starting monitored process 1489 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:33,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1489)] Waiting until timeout for monitored process [2024-11-09 00:58:33,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:33,572 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:33,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:33,647 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:58:33,648 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:33,878 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:58:33,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1489)] Ended with exit code 0 [2024-11-09 00:58:33,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:33,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:33,895 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:33,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:33,895 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:33,895 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:33,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:33,896 INFO L229 MonitoredProcess]: Starting monitored process 1490 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:33,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1490)] Waiting until timeout for monitored process [2024-11-09 00:58:34,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:34,116 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:34,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:34,147 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:34,148 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:34,265 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:34,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1490)] Forceful destruction successful, exit code 0 [2024-11-09 00:58:34,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:34,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:34,269 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:34,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:34,270 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:34,270 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:34,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:34,271 INFO L229 MonitoredProcess]: Starting monitored process 1491 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:34,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1491)] Waiting until timeout for monitored process [2024-11-09 00:58:34,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:34,500 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:34,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:34,531 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:34,532 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:34,664 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:34,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1491)] Ended with exit code 0 [2024-11-09 00:58:34,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:34,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:34,669 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:34,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:34,669 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:34,669 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:34,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:34,670 INFO L229 MonitoredProcess]: Starting monitored process 1492 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:34,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1492)] Waiting until timeout for monitored process [2024-11-09 00:58:34,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:34,897 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:34,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:34,930 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:34,931 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:35,048 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:35,050 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1492)] Forceful destruction successful, exit code 0 [2024-11-09 00:58:35,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:35,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:35,052 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:35,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:35,052 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:35,052 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:35,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:35,053 INFO L229 MonitoredProcess]: Starting monitored process 1493 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:35,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1493)] Waiting until timeout for monitored process [2024-11-09 00:58:35,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:35,283 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:35,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:35,327 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:35,328 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:35,449 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:35,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1493)] Forceful destruction successful, exit code 0 [2024-11-09 00:58:35,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:35,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:35,453 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:35,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:35,453 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:35,453 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:35,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:35,454 INFO L229 MonitoredProcess]: Starting monitored process 1494 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:35,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1494)] Waiting until timeout for monitored process [2024-11-09 00:58:35,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:35,681 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:35,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:35,712 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:35,713 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:35,828 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:35,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1494)] Ended with exit code 0 [2024-11-09 00:58:35,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:35,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:35,833 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:35,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:35,833 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:35,833 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:35,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:35,834 INFO L229 MonitoredProcess]: Starting monitored process 1495 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:35,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1495)] Waiting until timeout for monitored process [2024-11-09 00:58:36,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:36,062 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:36,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:36,091 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:36,092 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:36,208 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:36,211 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1495)] Forceful destruction successful, exit code 0 [2024-11-09 00:58:36,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:36,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:36,214 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:36,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:36,214 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:36,214 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:36,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:36,215 INFO L229 MonitoredProcess]: Starting monitored process 1496 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:36,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1496)] Waiting until timeout for monitored process [2024-11-09 00:58:36,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:36,436 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:36,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:36,490 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:36,490 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:36,603 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:36,606 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1496)] Forceful destruction successful, exit code 0 [2024-11-09 00:58:36,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:36,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:36,608 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:36,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:36,608 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:36,608 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:36,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:36,609 INFO L229 MonitoredProcess]: Starting monitored process 1497 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:36,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1497)] Waiting until timeout for monitored process [2024-11-09 00:58:36,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:36,837 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:36,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:36,871 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:58:36,872 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:37,098 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:58:37,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1497)] Forceful destruction successful, exit code 0 [2024-11-09 00:58:37,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:37,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:37,120 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:37,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:37,120 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:37,120 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:37,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:37,121 INFO L229 MonitoredProcess]: Starting monitored process 1498 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:37,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1498)] Waiting until timeout for monitored process [2024-11-09 00:58:37,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:37,352 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:37,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:37,402 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:37,403 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:37,524 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:37,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1498)] Forceful destruction successful, exit code 0 [2024-11-09 00:58:37,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:37,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:37,528 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:37,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:37,529 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:37,529 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:37,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:37,530 INFO L229 MonitoredProcess]: Starting monitored process 1499 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:37,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1499)] Waiting until timeout for monitored process [2024-11-09 00:58:37,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:37,758 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:37,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:37,804 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:37,804 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:37,919 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:37,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1499)] Ended with exit code 0 [2024-11-09 00:58:37,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:37,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:37,924 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:37,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:37,925 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:37,925 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:37,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:37,926 INFO L229 MonitoredProcess]: Starting monitored process 1500 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:37,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1500)] Waiting until timeout for monitored process [2024-11-09 00:58:38,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:38,154 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:38,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:38,186 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:38,187 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:38,298 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:38,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1500)] Ended with exit code 0 [2024-11-09 00:58:38,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:38,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:38,303 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:38,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:38,303 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:38,303 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:38,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:38,304 INFO L229 MonitoredProcess]: Starting monitored process 1501 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:38,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1501)] Waiting until timeout for monitored process [2024-11-09 00:58:38,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:38,535 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:38,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:38,587 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:38,588 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:38,700 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:38,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1501)] Ended with exit code 0 [2024-11-09 00:58:38,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:38,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:38,705 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:38,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:38,705 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:38,705 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:38,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:38,706 INFO L229 MonitoredProcess]: Starting monitored process 1502 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:38,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1502)] Waiting until timeout for monitored process [2024-11-09 00:58:38,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:38,934 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:38,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:38,970 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:58:38,970 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:39,200 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:58:39,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1502)] Ended with exit code 0 [2024-11-09 00:58:39,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:39,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:39,218 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:39,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:39,218 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:39,218 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:39,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:39,219 INFO L229 MonitoredProcess]: Starting monitored process 1503 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:39,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1503)] Waiting until timeout for monitored process [2024-11-09 00:58:39,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:39,443 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:39,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:39,502 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:39,502 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:39,619 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:39,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1503)] Ended with exit code 0 [2024-11-09 00:58:39,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:39,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:39,624 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:39,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:39,624 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:39,624 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:39,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:39,625 INFO L229 MonitoredProcess]: Starting monitored process 1504 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:39,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1504)] Waiting until timeout for monitored process [2024-11-09 00:58:39,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:39,854 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:39,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:39,885 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:39,885 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:40,018 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:40,020 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1504)] Ended with exit code 0 [2024-11-09 00:58:40,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:40,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:40,022 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:40,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:40,022 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:40,023 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:40,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:40,023 INFO L229 MonitoredProcess]: Starting monitored process 1505 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:40,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1505)] Waiting until timeout for monitored process [2024-11-09 00:58:40,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:40,252 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:40,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:40,315 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:40,316 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:40,431 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:40,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1505)] Ended with exit code 0 [2024-11-09 00:58:40,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:40,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:40,436 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:40,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:40,436 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:40,436 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:40,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:40,437 INFO L229 MonitoredProcess]: Starting monitored process 1506 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:40,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1506)] Waiting until timeout for monitored process [2024-11-09 00:58:40,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:40,662 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:40,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:40,730 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:40,731 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:40,854 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:40,857 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1506)] Ended with exit code 0 [2024-11-09 00:58:40,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:40,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:40,860 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:40,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:40,860 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:40,860 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:40,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:40,861 INFO L229 MonitoredProcess]: Starting monitored process 1507 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:40,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1507)] Waiting until timeout for monitored process [2024-11-09 00:58:41,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:41,085 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:41,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:41,117 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:41,117 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:41,231 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:41,233 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1507)] Ended with exit code 0 [2024-11-09 00:58:41,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:41,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:41,236 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:41,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:41,237 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:41,237 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:41,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:41,238 INFO L229 MonitoredProcess]: Starting monitored process 1508 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:41,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1508)] Waiting until timeout for monitored process [2024-11-09 00:58:41,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:41,465 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:41,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:41,499 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:58:41,500 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:41,748 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:58:41,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1508)] Ended with exit code 0 [2024-11-09 00:58:41,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:41,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:41,765 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:41,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:41,765 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:41,765 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:41,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:41,766 INFO L229 MonitoredProcess]: Starting monitored process 1509 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:41,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1509)] Waiting until timeout for monitored process [2024-11-09 00:58:41,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:41,997 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:42,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:42,060 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:42,060 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:42,177 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:42,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1509)] Ended with exit code 0 [2024-11-09 00:58:42,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:42,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:42,182 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:42,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:42,182 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:42,182 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:42,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:42,183 INFO L229 MonitoredProcess]: Starting monitored process 1510 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:42,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1510)] Waiting until timeout for monitored process [2024-11-09 00:58:42,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:42,412 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:42,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:42,463 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:42,464 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:42,641 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:42,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1510)] Ended with exit code 0 [2024-11-09 00:58:42,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:42,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:42,648 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:42,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:42,648 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:42,648 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:42,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:42,651 INFO L229 MonitoredProcess]: Starting monitored process 1511 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:42,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1511)] Waiting until timeout for monitored process [2024-11-09 00:58:42,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:42,918 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:42,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:42,952 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:42,952 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:43,065 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:43,068 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1511)] Ended with exit code 0 [2024-11-09 00:58:43,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:43,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:43,070 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:43,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:43,071 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:43,071 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:43,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:43,072 INFO L229 MonitoredProcess]: Starting monitored process 1512 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:43,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1512)] Waiting until timeout for monitored process [2024-11-09 00:58:43,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:43,295 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:43,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:43,330 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:58:43,331 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:43,564 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:58:43,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1512)] Ended with exit code 0 [2024-11-09 00:58:43,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:43,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:43,581 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:43,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:43,581 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:43,581 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:43,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:43,582 INFO L229 MonitoredProcess]: Starting monitored process 1513 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:43,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1513)] Waiting until timeout for monitored process [2024-11-09 00:58:43,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:43,814 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:43,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:43,875 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:43,875 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:43,993 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:43,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1513)] Forceful destruction successful, exit code 0 [2024-11-09 00:58:43,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:43,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:43,998 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:43,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:43,999 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:43,999 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:43,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:44,000 INFO L229 MonitoredProcess]: Starting monitored process 1514 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:44,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1514)] Waiting until timeout for monitored process [2024-11-09 00:58:44,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:44,227 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:44,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:44,258 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:44,258 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:44,377 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:44,380 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1514)] Ended with exit code 0 [2024-11-09 00:58:44,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:44,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:44,382 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:44,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:44,382 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:44,382 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:44,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:44,383 INFO L229 MonitoredProcess]: Starting monitored process 1515 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:44,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1515)] Waiting until timeout for monitored process [2024-11-09 00:58:44,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:44,649 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:44,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:44,680 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:44,681 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:44,789 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:44,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1515)] Forceful destruction successful, exit code 0 [2024-11-09 00:58:44,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:44,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:44,794 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:44,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:44,794 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:44,794 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:44,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:44,795 INFO L229 MonitoredProcess]: Starting monitored process 1516 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:44,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1516)] Waiting until timeout for monitored process [2024-11-09 00:58:45,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:45,021 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:45,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:45,053 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:45,054 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:45,165 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:45,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1516)] Ended with exit code 0 [2024-11-09 00:58:45,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:45,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:45,170 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:45,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:45,170 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:45,170 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:45,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:45,171 INFO L229 MonitoredProcess]: Starting monitored process 1517 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:45,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1517)] Waiting until timeout for monitored process [2024-11-09 00:58:45,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:45,399 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:45,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:45,432 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:45,432 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:45,559 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:45,561 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1517)] Ended with exit code 0 [2024-11-09 00:58:45,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:45,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:45,564 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:45,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:45,564 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:45,564 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:45,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:45,565 INFO L229 MonitoredProcess]: Starting monitored process 1518 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:45,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1518)] Waiting until timeout for monitored process [2024-11-09 00:58:45,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:45,792 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:45,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:45,827 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:58:45,828 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:46,051 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:58:46,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1518)] Ended with exit code 0 [2024-11-09 00:58:46,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:46,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:46,067 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:46,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:46,067 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:46,068 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:46,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:46,068 INFO L229 MonitoredProcess]: Starting monitored process 1519 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:46,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1519)] Waiting until timeout for monitored process [2024-11-09 00:58:46,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:46,297 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:46,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:46,326 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:46,327 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:46,454 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:46,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1519)] Ended with exit code 0 [2024-11-09 00:58:46,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:46,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:46,459 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:46,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:46,459 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:46,460 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:46,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:46,460 INFO L229 MonitoredProcess]: Starting monitored process 1520 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:46,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1520)] Waiting until timeout for monitored process [2024-11-09 00:58:46,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:46,687 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:46,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:46,737 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:46,737 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:46,859 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:46,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1520)] Forceful destruction successful, exit code 0 [2024-11-09 00:58:46,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:46,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:46,864 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:46,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:46,864 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:46,864 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:46,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:46,865 INFO L229 MonitoredProcess]: Starting monitored process 1521 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:46,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1521)] Waiting until timeout for monitored process [2024-11-09 00:58:47,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:47,090 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:47,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:47,120 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:47,121 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:47,235 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:47,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1521)] Forceful destruction successful, exit code 0 [2024-11-09 00:58:47,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:47,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:47,240 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:47,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:47,240 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:47,240 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:47,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:47,241 INFO L229 MonitoredProcess]: Starting monitored process 1522 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:47,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1522)] Waiting until timeout for monitored process [2024-11-09 00:58:47,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:47,473 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:47,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:47,508 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:58:47,509 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:47,735 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:58:47,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1522)] Ended with exit code 0 [2024-11-09 00:58:47,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:47,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:47,749 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:47,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:47,749 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:47,750 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:47,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:47,750 INFO L229 MonitoredProcess]: Starting monitored process 1523 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:47,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1523)] Waiting until timeout for monitored process [2024-11-09 00:58:47,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:47,980 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:48,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:48,049 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:58:48,050 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:48,282 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:58:48,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1523)] Forceful destruction successful, exit code 0 [2024-11-09 00:58:48,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:48,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:48,298 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:48,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:48,299 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:48,299 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:48,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:48,300 INFO L229 MonitoredProcess]: Starting monitored process 1524 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:48,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1524)] Waiting until timeout for monitored process [2024-11-09 00:58:48,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:48,524 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:48,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:48,555 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:48,556 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:48,692 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:48,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1524)] Forceful destruction successful, exit code 0 [2024-11-09 00:58:48,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:48,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:48,697 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:48,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:48,698 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:48,698 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:48,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:48,699 INFO L229 MonitoredProcess]: Starting monitored process 1525 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:48,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1525)] Waiting until timeout for monitored process [2024-11-09 00:58:48,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:48,928 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:48,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:48,961 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:48,962 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:49,078 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:49,080 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1525)] Ended with exit code 0 [2024-11-09 00:58:49,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:49,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:49,082 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:49,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:49,083 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:49,083 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:49,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:49,084 INFO L229 MonitoredProcess]: Starting monitored process 1526 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:49,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1526)] Waiting until timeout for monitored process [2024-11-09 00:58:49,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:49,312 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:49,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:49,346 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:58:49,347 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:49,572 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:58:49,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1526)] Ended with exit code 0 [2024-11-09 00:58:49,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:49,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:49,591 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:49,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:49,591 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:49,592 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:49,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:49,592 INFO L229 MonitoredProcess]: Starting monitored process 1527 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:49,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1527)] Waiting until timeout for monitored process [2024-11-09 00:58:49,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:49,818 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:49,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:49,859 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:49,860 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:49,986 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:49,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1527)] Forceful destruction successful, exit code 0 [2024-11-09 00:58:49,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:49,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:49,991 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:49,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:49,991 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:49,991 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:49,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:49,992 INFO L229 MonitoredProcess]: Starting monitored process 1528 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:49,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1528)] Waiting until timeout for monitored process [2024-11-09 00:58:50,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:50,221 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:50,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:50,251 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:50,251 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:50,368 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:50,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1528)] Forceful destruction successful, exit code 0 [2024-11-09 00:58:50,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:50,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:50,373 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:50,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:50,373 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:50,373 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:50,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:50,374 INFO L229 MonitoredProcess]: Starting monitored process 1529 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:50,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1529)] Waiting until timeout for monitored process [2024-11-09 00:58:50,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:50,602 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:50,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:50,634 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:50,635 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:50,753 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:50,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1529)] Forceful destruction successful, exit code 0 [2024-11-09 00:58:50,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:50,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:50,758 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:50,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:50,758 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:50,758 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:50,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:50,759 INFO L229 MonitoredProcess]: Starting monitored process 1530 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:50,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1530)] Waiting until timeout for monitored process [2024-11-09 00:58:50,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:50,986 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:51,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:51,023 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:58:51,023 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:51,248 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:58:51,251 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1530)] Forceful destruction successful, exit code 0 [2024-11-09 00:58:51,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:51,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:51,264 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:51,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:51,265 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:51,265 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:51,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:51,266 INFO L229 MonitoredProcess]: Starting monitored process 1531 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:51,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1531)] Waiting until timeout for monitored process [2024-11-09 00:58:51,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:51,497 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:51,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:51,530 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:51,531 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:51,651 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:51,653 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1531)] Forceful destruction successful, exit code 0 [2024-11-09 00:58:51,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:51,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:51,656 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:51,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:51,656 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:51,656 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:51,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:51,657 INFO L229 MonitoredProcess]: Starting monitored process 1532 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:51,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1532)] Waiting until timeout for monitored process [2024-11-09 00:58:51,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:51,879 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:51,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:51,919 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:51,919 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:52,052 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:52,055 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1532)] Forceful destruction successful, exit code 0 [2024-11-09 00:58:52,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:52,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:52,058 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:52,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:52,058 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:52,058 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:52,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:52,059 INFO L229 MonitoredProcess]: Starting monitored process 1533 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:52,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1533)] Waiting until timeout for monitored process [2024-11-09 00:58:52,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:52,277 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:52,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:52,312 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:58:52,313 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:52,559 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:58:52,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1533)] Ended with exit code 0 [2024-11-09 00:58:52,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:52,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:52,584 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:52,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:52,584 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:52,585 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:52,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:52,587 INFO L229 MonitoredProcess]: Starting monitored process 1534 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:52,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1534)] Waiting until timeout for monitored process [2024-11-09 00:58:52,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:52,866 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:52,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:52,898 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:52,899 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:53,040 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:53,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1534)] Ended with exit code 0 [2024-11-09 00:58:53,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:53,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:53,045 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:53,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:53,045 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:53,045 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:53,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:53,046 INFO L229 MonitoredProcess]: Starting monitored process 1535 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:53,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1535)] Waiting until timeout for monitored process [2024-11-09 00:58:53,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:53,277 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:53,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:53,308 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:53,309 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:53,423 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:53,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1535)] Ended with exit code 0 [2024-11-09 00:58:53,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:53,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:53,428 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:53,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:53,428 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:53,428 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:53,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:53,430 INFO L229 MonitoredProcess]: Starting monitored process 1536 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:53,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1536)] Waiting until timeout for monitored process [2024-11-09 00:58:53,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:53,662 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:53,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:53,697 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:58:53,698 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:53,919 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:58:53,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1536)] Ended with exit code 0 [2024-11-09 00:58:53,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:53,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:53,935 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:53,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:53,935 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:53,935 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:53,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:53,936 INFO L229 MonitoredProcess]: Starting monitored process 1537 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:53,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1537)] Waiting until timeout for monitored process [2024-11-09 00:58:54,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:54,166 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:54,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:54,197 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:54,197 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:54,310 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:54,312 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1537)] Ended with exit code 0 [2024-11-09 00:58:54,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:54,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:54,315 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:54,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:54,315 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:54,315 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:54,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:54,316 INFO L229 MonitoredProcess]: Starting monitored process 1538 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:54,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1538)] Waiting until timeout for monitored process [2024-11-09 00:58:54,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:54,552 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:54,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:54,589 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:54,590 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:54,705 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:54,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1538)] Forceful destruction successful, exit code 0 [2024-11-09 00:58:54,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:54,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:54,709 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:54,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:54,710 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:54,710 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:54,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:54,711 INFO L229 MonitoredProcess]: Starting monitored process 1539 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:54,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1539)] Waiting until timeout for monitored process [2024-11-09 00:58:54,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:54,933 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:54,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:54,967 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:54,967 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:55,084 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:55,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1539)] Forceful destruction successful, exit code 0 [2024-11-09 00:58:55,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:55,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:55,089 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:55,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:55,089 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:55,089 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:55,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:55,090 INFO L229 MonitoredProcess]: Starting monitored process 1540 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:55,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1540)] Waiting until timeout for monitored process [2024-11-09 00:58:55,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:55,317 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:55,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:55,350 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:55,351 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:55,466 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:55,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1540)] Ended with exit code 0 [2024-11-09 00:58:55,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:55,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:55,470 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:55,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:55,471 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:55,471 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:55,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:55,472 INFO L229 MonitoredProcess]: Starting monitored process 1541 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:55,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1541)] Waiting until timeout for monitored process [2024-11-09 00:58:55,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:55,691 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:55,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:55,720 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:55,720 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:55,834 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:55,837 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1541)] Ended with exit code 0 [2024-11-09 00:58:55,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:55,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:55,839 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:55,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:55,839 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:55,839 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:55,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:55,840 INFO L229 MonitoredProcess]: Starting monitored process 1542 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:55,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1542)] Waiting until timeout for monitored process [2024-11-09 00:58:56,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:56,069 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:56,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:56,124 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:56,125 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:56,245 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:56,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1542)] Ended with exit code 0 [2024-11-09 00:58:56,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:56,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:56,250 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:56,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:56,250 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:56,251 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:56,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:56,251 INFO L229 MonitoredProcess]: Starting monitored process 1543 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:56,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1543)] Waiting until timeout for monitored process [2024-11-09 00:58:56,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:56,476 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:56,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:56,510 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:56,511 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:56,626 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:56,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1543)] Ended with exit code 0 [2024-11-09 00:58:56,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:56,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:56,630 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:56,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:56,630 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:56,630 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:56,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:56,631 INFO L229 MonitoredProcess]: Starting monitored process 1544 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:56,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1544)] Waiting until timeout for monitored process [2024-11-09 00:58:56,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:56,859 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:56,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:56,894 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:58:56,895 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:57,121 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:58:57,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1544)] Ended with exit code 0 [2024-11-09 00:58:57,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:57,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:57,135 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:57,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:57,135 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:57,135 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:57,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:57,136 INFO L229 MonitoredProcess]: Starting monitored process 1545 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:57,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1545)] Waiting until timeout for monitored process [2024-11-09 00:58:57,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:57,366 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:57,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:57,398 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:57,399 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:57,515 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:57,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1545)] Ended with exit code 0 [2024-11-09 00:58:57,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:57,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:57,520 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:57,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:57,520 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:57,520 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:57,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:57,521 INFO L229 MonitoredProcess]: Starting monitored process 1546 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:57,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1546)] Waiting until timeout for monitored process [2024-11-09 00:58:57,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:57,747 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:57,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:57,841 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:57,842 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:57,969 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:57,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1546)] Forceful destruction successful, exit code 0 [2024-11-09 00:58:57,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:57,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:57,974 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:57,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:57,974 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:57,974 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:57,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:57,975 INFO L229 MonitoredProcess]: Starting monitored process 1547 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:57,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1547)] Waiting until timeout for monitored process [2024-11-09 00:58:58,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:58,206 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:58,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:58,256 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:58,257 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:58,379 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:58,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1547)] Forceful destruction successful, exit code 0 [2024-11-09 00:58:58,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:58,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:58,384 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:58,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:58,384 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:58,384 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:58,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:58,385 INFO L229 MonitoredProcess]: Starting monitored process 1548 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:58,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1548)] Waiting until timeout for monitored process [2024-11-09 00:58:58,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:58,612 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:58,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:58,665 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:58,666 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:58,782 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:58,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1548)] Forceful destruction successful, exit code 0 [2024-11-09 00:58:58,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:58,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:58,787 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:58,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:58,787 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:58,787 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:58,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:58,788 INFO L229 MonitoredProcess]: Starting monitored process 1549 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:58,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1549)] Waiting until timeout for monitored process [2024-11-09 00:58:59,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:59,018 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:59,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:59,067 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:59,068 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:59,186 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:59,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1549)] Ended with exit code 0 [2024-11-09 00:58:59,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:59,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:59,191 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:59,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:59,191 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:59,192 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:59,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:59,192 INFO L229 MonitoredProcess]: Starting monitored process 1550 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:59,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1550)] Waiting until timeout for monitored process [2024-11-09 00:58:59,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:59,418 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:59,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:59,450 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:59,451 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:59,566 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:59,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1550)] Forceful destruction successful, exit code 0 [2024-11-09 00:58:59,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:59,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:59,571 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:59,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:59,571 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:59,571 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:59,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:59,572 INFO L229 MonitoredProcess]: Starting monitored process 1551 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:59,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1551)] Waiting until timeout for monitored process [2024-11-09 00:58:59,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:59,795 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:59,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:59,864 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:58:59,865 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:59,979 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:59,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1551)] Ended with exit code 0 [2024-11-09 00:58:59,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:59,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:58:59,984 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:58:59,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:58:59,984 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:59,984 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:59,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:59,985 INFO L229 MonitoredProcess]: Starting monitored process 1552 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:59,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1552)] Waiting until timeout for monitored process [2024-11-09 00:59:00,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:00,216 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:00,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:00,249 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:00,249 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:00,371 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:00,373 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1552)] Ended with exit code 0 [2024-11-09 00:59:00,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:00,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:59:00,375 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:59:00,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:00,375 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:00,376 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:00,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:00,376 INFO L229 MonitoredProcess]: Starting monitored process 1553 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:00,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1553)] Waiting until timeout for monitored process [2024-11-09 00:59:00,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:00,599 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:00,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:00,640 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:00,641 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:00,757 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:00,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1553)] Ended with exit code 0 [2024-11-09 00:59:00,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:00,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:59:00,762 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:59:00,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:00,762 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:00,763 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:00,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:00,763 INFO L229 MonitoredProcess]: Starting monitored process 1554 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:00,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1554)] Waiting until timeout for monitored process [2024-11-09 00:59:00,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:00,992 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:01,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:01,052 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:01,052 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:01,170 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:01,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1554)] Ended with exit code 0 [2024-11-09 00:59:01,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:01,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:59:01,175 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:59:01,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:01,175 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:01,175 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:01,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:01,176 INFO L229 MonitoredProcess]: Starting monitored process 1555 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:01,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1555)] Waiting until timeout for monitored process [2024-11-09 00:59:01,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:01,399 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:01,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:01,432 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:01,432 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:01,552 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:01,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1555)] Forceful destruction successful, exit code 0 [2024-11-09 00:59:01,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:01,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:59:01,557 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:59:01,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:01,557 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:01,557 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:01,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:01,558 INFO L229 MonitoredProcess]: Starting monitored process 1556 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:01,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1556)] Waiting until timeout for monitored process [2024-11-09 00:59:01,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:01,780 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:01,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:01,850 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:01,851 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:01,968 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:01,970 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1556)] Forceful destruction successful, exit code 0 [2024-11-09 00:59:01,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:01,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:59:01,973 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:59:01,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:01,974 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:01,974 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:01,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:01,975 INFO L229 MonitoredProcess]: Starting monitored process 1557 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:01,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1557)] Waiting until timeout for monitored process [2024-11-09 00:59:02,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:02,206 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:02,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:02,238 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:02,238 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:02,355 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:02,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1557)] Ended with exit code 0 [2024-11-09 00:59:02,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:02,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:59:02,360 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:59:02,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:02,360 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:02,360 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:02,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:02,361 INFO L229 MonitoredProcess]: Starting monitored process 1558 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:02,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1558)] Waiting until timeout for monitored process [2024-11-09 00:59:02,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:02,639 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:02,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:02,678 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:02,679 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:02,811 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:02,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1558)] Ended with exit code 0 [2024-11-09 00:59:02,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:02,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:59:02,816 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:59:02,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:02,816 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:02,816 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:02,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:02,817 INFO L229 MonitoredProcess]: Starting monitored process 1559 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:02,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1559)] Waiting until timeout for monitored process [2024-11-09 00:59:03,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:03,052 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:03,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:03,083 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:03,084 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:03,198 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:03,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1559)] Ended with exit code 0 [2024-11-09 00:59:03,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:03,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:59:03,203 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:59:03,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:03,203 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:03,203 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:03,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:03,204 INFO L229 MonitoredProcess]: Starting monitored process 1560 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:03,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1560)] Waiting until timeout for monitored process [2024-11-09 00:59:03,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:03,432 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:03,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:03,489 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:03,489 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:03,635 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:03,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1560)] Forceful destruction successful, exit code 0 [2024-11-09 00:59:03,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:03,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:59:03,640 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:59:03,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:03,640 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:03,640 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:03,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:03,641 INFO L229 MonitoredProcess]: Starting monitored process 1561 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:03,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1561)] Waiting until timeout for monitored process [2024-11-09 00:59:03,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:03,871 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:03,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:03,926 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:03,927 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:04,039 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:04,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1561)] Forceful destruction successful, exit code 0 [2024-11-09 00:59:04,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:04,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:59:04,044 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:59:04,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:04,044 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:04,044 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:04,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:04,045 INFO L229 MonitoredProcess]: Starting monitored process 1562 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:04,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1562)] Waiting until timeout for monitored process [2024-11-09 00:59:04,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:04,269 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:04,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:04,305 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:04,305 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:04,419 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:04,421 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1562)] Forceful destruction successful, exit code 0 [2024-11-09 00:59:04,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:04,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:59:04,424 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:59:04,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:04,424 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:04,424 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:04,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:04,425 INFO L229 MonitoredProcess]: Starting monitored process 1563 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:04,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1563)] Waiting until timeout for monitored process [2024-11-09 00:59:04,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:04,668 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:04,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:04,717 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:04,717 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:04,838 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:04,841 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1563)] Ended with exit code 0 [2024-11-09 00:59:04,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:04,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:59:04,843 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:59:04,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:04,843 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:04,843 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:04,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:04,844 INFO L229 MonitoredProcess]: Starting monitored process 1564 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:04,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1564)] Waiting until timeout for monitored process [2024-11-09 00:59:05,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:05,071 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:05,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:05,128 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:05,128 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:05,248 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:05,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1564)] Ended with exit code 0 [2024-11-09 00:59:05,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:05,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:59:05,252 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:59:05,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:05,252 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:05,252 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:05,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:05,253 INFO L229 MonitoredProcess]: Starting monitored process 1565 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:05,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1565)] Waiting until timeout for monitored process [2024-11-09 00:59:05,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:05,478 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:05,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:05,509 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:05,509 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:05,623 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:05,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1565)] Ended with exit code 0 [2024-11-09 00:59:05,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:05,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:59:05,628 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:59:05,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:05,628 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:05,628 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:05,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:05,629 INFO L229 MonitoredProcess]: Starting monitored process 1566 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:05,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1566)] Waiting until timeout for monitored process [2024-11-09 00:59:05,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:05,859 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:05,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:05,917 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:05,918 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:06,037 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:06,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1566)] Ended with exit code 0 [2024-11-09 00:59:06,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:06,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:59:06,042 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:59:06,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:06,042 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:06,042 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:06,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:06,043 INFO L229 MonitoredProcess]: Starting monitored process 1567 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:06,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1567)] Waiting until timeout for monitored process [2024-11-09 00:59:06,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:06,269 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:06,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:06,304 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:59:06,305 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:06,539 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:59:06,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1567)] Ended with exit code 0 [2024-11-09 00:59:06,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:06,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:59:06,557 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:59:06,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:06,557 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:06,557 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:06,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:06,558 INFO L229 MonitoredProcess]: Starting monitored process 1568 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:06,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1568)] Waiting until timeout for monitored process [2024-11-09 00:59:06,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:06,783 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:06,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:06,835 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:06,836 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:06,955 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:06,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1568)] Ended with exit code 0 [2024-11-09 00:59:06,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:06,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:59:06,961 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:59:06,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:06,961 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:06,961 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:06,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:06,962 INFO L229 MonitoredProcess]: Starting monitored process 1569 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:06,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1569)] Waiting until timeout for monitored process [2024-11-09 00:59:07,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:07,189 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:07,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:07,223 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:07,224 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:07,340 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:07,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1569)] Ended with exit code 0 [2024-11-09 00:59:07,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:07,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:59:07,345 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:59:07,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:07,345 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:07,345 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:07,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:07,346 INFO L229 MonitoredProcess]: Starting monitored process 1570 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:07,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1570)] Waiting until timeout for monitored process [2024-11-09 00:59:07,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:07,577 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:07,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:07,625 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:07,626 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:07,742 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:07,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1570)] Forceful destruction successful, exit code 0 [2024-11-09 00:59:07,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:07,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:59:07,748 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:59:07,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:07,748 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:07,748 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:07,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:07,749 INFO L229 MonitoredProcess]: Starting monitored process 1571 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:07,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1571)] Waiting until timeout for monitored process [2024-11-09 00:59:07,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:07,970 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:08,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:08,005 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:59:08,006 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:08,226 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:59:08,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1571)] Forceful destruction successful, exit code 0 [2024-11-09 00:59:08,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:08,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:59:08,243 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:59:08,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:08,243 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:08,244 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:08,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:08,244 INFO L229 MonitoredProcess]: Starting monitored process 1572 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:08,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1572)] Waiting until timeout for monitored process [2024-11-09 00:59:08,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:08,474 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:08,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:08,510 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:59:08,510 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:08,742 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:59:08,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1572)] Ended with exit code 0 [2024-11-09 00:59:08,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:08,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:59:08,756 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:59:08,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:08,756 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:08,756 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:08,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:08,757 INFO L229 MonitoredProcess]: Starting monitored process 1573 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:08,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1573)] Waiting until timeout for monitored process [2024-11-09 00:59:08,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:08,988 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:09,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:09,048 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:09,048 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:09,177 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:09,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1573)] Ended with exit code 0 [2024-11-09 00:59:09,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:09,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:59:09,182 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:59:09,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:09,182 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:09,182 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:09,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:09,183 INFO L229 MonitoredProcess]: Starting monitored process 1574 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:09,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1574)] Waiting until timeout for monitored process [2024-11-09 00:59:09,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:09,410 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:09,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:09,442 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:09,443 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:09,562 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:09,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1574)] Ended with exit code 0 [2024-11-09 00:59:09,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:09,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:59:09,567 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:59:09,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:09,567 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:09,567 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:09,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:09,568 INFO L229 MonitoredProcess]: Starting monitored process 1575 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:09,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1575)] Waiting until timeout for monitored process [2024-11-09 00:59:09,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:09,797 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:09,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:09,858 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:09,859 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:09,971 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:09,973 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1575)] Forceful destruction successful, exit code 0 [2024-11-09 00:59:09,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:09,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:59:09,976 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:59:09,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:09,976 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:09,976 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:09,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:09,977 INFO L229 MonitoredProcess]: Starting monitored process 1576 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:09,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1576)] Waiting until timeout for monitored process [2024-11-09 00:59:10,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:10,205 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:10,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:10,261 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:10,261 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:10,376 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:10,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1576)] Forceful destruction successful, exit code 0 [2024-11-09 00:59:10,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:10,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:59:10,381 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:59:10,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:10,381 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:10,381 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:10,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:10,382 INFO L229 MonitoredProcess]: Starting monitored process 1577 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:10,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1577)] Waiting until timeout for monitored process [2024-11-09 00:59:10,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:10,610 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:10,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:10,642 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:10,643 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:10,765 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:10,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1577)] Forceful destruction successful, exit code 0 [2024-11-09 00:59:10,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:10,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:59:10,769 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:59:10,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:10,769 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:10,769 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:10,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:10,770 INFO L229 MonitoredProcess]: Starting monitored process 1578 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:10,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1578)] Waiting until timeout for monitored process [2024-11-09 00:59:10,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:10,997 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:11,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:11,031 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:11,032 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:11,169 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:11,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1578)] Ended with exit code 0 [2024-11-09 00:59:11,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:11,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:59:11,173 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:59:11,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:11,173 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:11,173 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:11,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:11,174 INFO L229 MonitoredProcess]: Starting monitored process 1579 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:11,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1579)] Waiting until timeout for monitored process [2024-11-09 00:59:11,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:11,407 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:11,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:11,441 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:59:11,442 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:11,671 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:59:11,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1579)] Ended with exit code 0 [2024-11-09 00:59:11,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:11,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:59:11,685 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:59:11,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:11,685 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:11,685 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:11,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:11,686 INFO L229 MonitoredProcess]: Starting monitored process 1580 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:11,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1580)] Waiting until timeout for monitored process [2024-11-09 00:59:11,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:11,916 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:11,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:11,967 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:11,967 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:12,099 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:12,102 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1580)] Ended with exit code 0 [2024-11-09 00:59:12,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:12,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 47 transitions. [2024-11-09 00:59:12,104 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-09 00:59:12,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:12,104 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:12,104 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:12,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:12,105 INFO L229 MonitoredProcess]: Starting monitored process 1581 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:12,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1581)] Waiting until timeout for monitored process [2024-11-09 00:59:12,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:12,335 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:12,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:12,365 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:59:12,365 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:12,519 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:12,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1581)] Ended with exit code 0 [2024-11-09 00:59:12,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:12,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:12,869 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:12,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:12,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:12,870 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:12,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:12,871 INFO L229 MonitoredProcess]: Starting monitored process 1582 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:12,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1582)] Waiting until timeout for monitored process [2024-11-09 00:59:13,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:13,103 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:13,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:13,137 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:13,138 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:13,257 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:13,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1582)] Ended with exit code 0 [2024-11-09 00:59:13,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:13,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:13,262 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:13,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:13,262 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:13,263 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:13,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:13,263 INFO L229 MonitoredProcess]: Starting monitored process 1583 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:13,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1583)] Waiting until timeout for monitored process [2024-11-09 00:59:13,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:13,484 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:13,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:13,548 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:13,549 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:13,668 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:13,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1583)] Ended with exit code 0 [2024-11-09 00:59:13,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:13,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:13,673 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:13,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:13,673 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:13,673 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:13,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:13,674 INFO L229 MonitoredProcess]: Starting monitored process 1584 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:13,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1584)] Waiting until timeout for monitored process [2024-11-09 00:59:13,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:13,901 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:13,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:13,978 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:59:13,978 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:14,213 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:59:14,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1584)] Ended with exit code 0 [2024-11-09 00:59:14,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:14,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:14,238 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:14,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:14,238 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:14,239 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:14,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:14,239 INFO L229 MonitoredProcess]: Starting monitored process 1585 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:14,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1585)] Waiting until timeout for monitored process [2024-11-09 00:59:14,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:14,472 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:14,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:14,535 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:14,536 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:14,650 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:14,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1585)] Ended with exit code 0 [2024-11-09 00:59:14,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:14,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:14,655 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:14,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:14,655 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:14,655 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:14,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:14,656 INFO L229 MonitoredProcess]: Starting monitored process 1586 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:14,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1586)] Waiting until timeout for monitored process [2024-11-09 00:59:14,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:14,882 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:14,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:14,912 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:14,913 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:15,051 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:15,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1586)] Ended with exit code 0 [2024-11-09 00:59:15,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:15,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:15,056 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:15,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:15,056 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:15,056 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:15,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:15,057 INFO L229 MonitoredProcess]: Starting monitored process 1587 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:15,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1587)] Waiting until timeout for monitored process [2024-11-09 00:59:15,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:15,277 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:15,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:15,349 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:15,350 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:15,462 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:15,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1587)] Forceful destruction successful, exit code 0 [2024-11-09 00:59:15,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:15,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:15,466 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:15,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:15,467 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:15,467 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:15,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:15,468 INFO L229 MonitoredProcess]: Starting monitored process 1588 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:15,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1588)] Waiting until timeout for monitored process [2024-11-09 00:59:15,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:15,701 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:15,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:15,733 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:15,734 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:15,851 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:15,854 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1588)] Forceful destruction successful, exit code 0 [2024-11-09 00:59:15,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:15,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:15,855 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:15,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:15,856 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:15,856 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:15,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:15,857 INFO L229 MonitoredProcess]: Starting monitored process 1589 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:15,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1589)] Waiting until timeout for monitored process [2024-11-09 00:59:16,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:16,086 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:16,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:16,127 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:16,127 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:16,240 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:16,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1589)] Ended with exit code 0 [2024-11-09 00:59:16,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:16,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:16,245 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:16,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:16,245 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:16,245 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:16,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:16,246 INFO L229 MonitoredProcess]: Starting monitored process 1590 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:16,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1590)] Waiting until timeout for monitored process [2024-11-09 00:59:16,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:16,477 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:16,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:16,514 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:59:16,515 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:16,735 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:59:16,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1590)] Forceful destruction successful, exit code 0 [2024-11-09 00:59:16,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:16,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:16,751 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:16,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:16,751 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:16,752 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:16,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:16,752 INFO L229 MonitoredProcess]: Starting monitored process 1591 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:16,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1591)] Waiting until timeout for monitored process [2024-11-09 00:59:16,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:16,982 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:17,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:17,031 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:59:17,032 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:17,253 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:59:17,256 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1591)] Ended with exit code 0 [2024-11-09 00:59:17,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:17,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:17,270 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:17,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:17,270 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:17,270 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:17,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:17,271 INFO L229 MonitoredProcess]: Starting monitored process 1592 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:17,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1592)] Waiting until timeout for monitored process [2024-11-09 00:59:17,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:17,502 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:17,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:17,533 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:17,533 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:17,650 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:17,652 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1592)] Ended with exit code 0 [2024-11-09 00:59:17,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:17,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:17,655 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:17,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:17,655 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:17,655 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:17,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:17,656 INFO L229 MonitoredProcess]: Starting monitored process 1593 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:17,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1593)] Waiting until timeout for monitored process [2024-11-09 00:59:17,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:17,881 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:17,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:17,941 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:17,942 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:18,056 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:18,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1593)] Ended with exit code 0 [2024-11-09 00:59:18,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:18,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:18,061 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:18,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:18,061 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:18,061 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:18,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:18,062 INFO L229 MonitoredProcess]: Starting monitored process 1594 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:18,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1594)] Waiting until timeout for monitored process [2024-11-09 00:59:18,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:18,290 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:18,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:18,333 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:18,334 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:18,451 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:18,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1594)] Ended with exit code 0 [2024-11-09 00:59:18,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:18,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:18,456 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:18,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:18,456 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:18,456 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:18,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:18,457 INFO L229 MonitoredProcess]: Starting monitored process 1595 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:18,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1595)] Waiting until timeout for monitored process [2024-11-09 00:59:18,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:18,682 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:18,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:18,737 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:18,737 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:18,855 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:18,857 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1595)] Ended with exit code 0 [2024-11-09 00:59:18,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:18,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:18,859 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:18,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:18,860 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:18,860 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:18,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:18,861 INFO L229 MonitoredProcess]: Starting monitored process 1596 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:18,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1596)] Waiting until timeout for monitored process [2024-11-09 00:59:19,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:19,081 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:19,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:19,113 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:19,114 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:19,234 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:19,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1596)] Ended with exit code 0 [2024-11-09 00:59:19,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:19,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:19,238 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:19,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:19,239 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:19,239 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:19,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:19,240 INFO L229 MonitoredProcess]: Starting monitored process 1597 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:19,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1597)] Waiting until timeout for monitored process [2024-11-09 00:59:19,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:19,471 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:19,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:19,503 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:19,504 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:19,618 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:19,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1597)] Ended with exit code 0 [2024-11-09 00:59:19,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:19,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:19,622 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:19,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:19,622 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:19,623 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:19,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:19,623 INFO L229 MonitoredProcess]: Starting monitored process 1598 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:19,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1598)] Waiting until timeout for monitored process [2024-11-09 00:59:19,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:19,854 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:19,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:19,885 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:19,886 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:20,003 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:20,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1598)] Ended with exit code 0 [2024-11-09 00:59:20,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:20,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:20,009 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:20,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:20,009 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:20,009 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:20,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:20,010 INFO L229 MonitoredProcess]: Starting monitored process 1599 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:20,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1599)] Waiting until timeout for monitored process [2024-11-09 00:59:20,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:20,236 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:20,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:20,265 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:20,265 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:20,381 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:20,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1599)] Ended with exit code 0 [2024-11-09 00:59:20,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:20,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:20,385 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:20,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:20,385 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:20,385 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:20,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:20,386 INFO L229 MonitoredProcess]: Starting monitored process 1600 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:20,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1600)] Waiting until timeout for monitored process [2024-11-09 00:59:20,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:20,614 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:20,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:20,673 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:20,674 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:20,796 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:20,798 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1600)] Ended with exit code 0 [2024-11-09 00:59:20,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:20,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:20,800 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:20,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:20,800 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:20,800 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:20,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:20,801 INFO L229 MonitoredProcess]: Starting monitored process 1601 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:20,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1601)] Waiting until timeout for monitored process [2024-11-09 00:59:21,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:21,029 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:21,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:21,064 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:59:21,065 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:21,302 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:59:21,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1601)] Ended with exit code 0 [2024-11-09 00:59:21,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:21,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:21,317 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:21,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:21,317 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:21,317 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:21,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:21,318 INFO L229 MonitoredProcess]: Starting monitored process 1602 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:21,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1602)] Waiting until timeout for monitored process [2024-11-09 00:59:21,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:21,550 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:21,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:21,623 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:59:21,623 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:21,841 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:59:21,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1602)] Ended with exit code 0 [2024-11-09 00:59:21,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:21,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:21,856 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:21,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:21,856 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:21,856 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:21,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:21,857 INFO L229 MonitoredProcess]: Starting monitored process 1603 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:21,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1603)] Waiting until timeout for monitored process [2024-11-09 00:59:22,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:22,085 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:22,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:22,135 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:22,136 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:22,250 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:22,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1603)] Ended with exit code 0 [2024-11-09 00:59:22,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:22,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:22,255 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:22,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:22,255 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:22,255 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:22,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:22,256 INFO L229 MonitoredProcess]: Starting monitored process 1604 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:22,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1604)] Waiting until timeout for monitored process [2024-11-09 00:59:22,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:22,482 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:22,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:22,566 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:22,567 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:22,746 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:22,748 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1604)] Ended with exit code 0 [2024-11-09 00:59:22,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:22,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:22,751 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:22,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:22,751 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:22,751 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:22,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:22,752 INFO L229 MonitoredProcess]: Starting monitored process 1605 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:22,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1605)] Waiting until timeout for monitored process [2024-11-09 00:59:22,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:22,994 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:23,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:23,056 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:23,056 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:23,177 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:23,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1605)] Ended with exit code 0 [2024-11-09 00:59:23,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:23,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:23,182 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:23,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:23,182 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:23,182 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:23,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:23,183 INFO L229 MonitoredProcess]: Starting monitored process 1606 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:23,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1606)] Waiting until timeout for monitored process [2024-11-09 00:59:23,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:23,413 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:23,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:23,444 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:23,444 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:23,560 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:23,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1606)] Ended with exit code 0 [2024-11-09 00:59:23,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:23,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:23,565 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:23,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:23,565 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:23,566 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:23,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:23,566 INFO L229 MonitoredProcess]: Starting monitored process 1607 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:23,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1607)] Waiting until timeout for monitored process [2024-11-09 00:59:23,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:23,796 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:23,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:23,826 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:23,827 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:23,938 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:23,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1607)] Ended with exit code 0 [2024-11-09 00:59:23,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:23,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:23,943 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:23,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:23,943 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:23,943 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:23,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:23,944 INFO L229 MonitoredProcess]: Starting monitored process 1608 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:23,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1608)] Waiting until timeout for monitored process [2024-11-09 00:59:24,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:24,170 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:24,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:24,252 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:24,253 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:24,374 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:24,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1608)] Ended with exit code 0 [2024-11-09 00:59:24,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:24,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:24,378 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:24,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:24,379 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:24,379 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:24,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:24,380 INFO L229 MonitoredProcess]: Starting monitored process 1609 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:24,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1609)] Waiting until timeout for monitored process [2024-11-09 00:59:24,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:24,624 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:24,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:24,677 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:24,678 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:24,793 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:24,796 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1609)] Ended with exit code 0 [2024-11-09 00:59:24,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:24,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:24,798 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:24,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:24,798 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:24,798 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:24,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:24,799 INFO L229 MonitoredProcess]: Starting monitored process 1610 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:24,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1610)] Waiting until timeout for monitored process [2024-11-09 00:59:25,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:25,028 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:25,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:25,057 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:25,058 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:25,177 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:25,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1610)] Forceful destruction successful, exit code 0 [2024-11-09 00:59:25,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:25,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:25,181 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:25,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:25,182 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:25,182 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:25,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:25,183 INFO L229 MonitoredProcess]: Starting monitored process 1611 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:25,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1611)] Waiting until timeout for monitored process [2024-11-09 00:59:25,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:25,409 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:25,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:25,466 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:25,466 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:25,578 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:25,580 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1611)] Ended with exit code 0 [2024-11-09 00:59:25,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:25,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:25,583 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:25,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:25,583 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:25,583 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:25,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:25,584 INFO L229 MonitoredProcess]: Starting monitored process 1612 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:25,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1612)] Waiting until timeout for monitored process [2024-11-09 00:59:25,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:25,804 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:25,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:25,855 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:25,856 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:25,974 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:25,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1612)] Ended with exit code 0 [2024-11-09 00:59:25,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:25,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:25,979 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:25,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:25,979 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:25,979 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:25,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:25,980 INFO L229 MonitoredProcess]: Starting monitored process 1613 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:25,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1613)] Waiting until timeout for monitored process [2024-11-09 00:59:26,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:26,211 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:26,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:26,243 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:26,243 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:26,394 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:26,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1613)] Ended with exit code 0 [2024-11-09 00:59:26,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:26,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:26,399 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:26,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:26,399 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:26,399 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:26,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:26,400 INFO L229 MonitoredProcess]: Starting monitored process 1614 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:26,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1614)] Waiting until timeout for monitored process [2024-11-09 00:59:26,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:26,627 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:26,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:26,659 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:26,659 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:26,774 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:26,777 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1614)] Ended with exit code 0 [2024-11-09 00:59:26,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:26,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:26,779 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:26,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:26,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:26,779 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:26,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:26,780 INFO L229 MonitoredProcess]: Starting monitored process 1615 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:26,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1615)] Waiting until timeout for monitored process [2024-11-09 00:59:27,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:27,007 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:27,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:27,064 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:27,065 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:27,179 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:27,182 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1615)] Ended with exit code 0 [2024-11-09 00:59:27,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:27,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:27,184 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:27,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:27,184 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:27,184 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:27,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:27,185 INFO L229 MonitoredProcess]: Starting monitored process 1616 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:27,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1616)] Waiting until timeout for monitored process [2024-11-09 00:59:27,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:27,415 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:27,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:27,471 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:27,472 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:27,596 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:27,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1616)] Ended with exit code 0 [2024-11-09 00:59:27,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:27,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:27,601 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:27,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:27,601 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:27,601 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:27,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:27,602 INFO L229 MonitoredProcess]: Starting monitored process 1617 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:27,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1617)] Waiting until timeout for monitored process [2024-11-09 00:59:27,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:27,831 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:27,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:27,865 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:59:27,866 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:28,082 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:59:28,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1617)] Ended with exit code 0 [2024-11-09 00:59:28,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:28,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:28,104 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:28,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:28,104 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:28,105 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:28,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:28,105 INFO L229 MonitoredProcess]: Starting monitored process 1618 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:28,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1618)] Waiting until timeout for monitored process [2024-11-09 00:59:28,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:28,335 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:28,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:28,384 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:28,384 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:28,502 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:28,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1618)] Ended with exit code 0 [2024-11-09 00:59:28,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:28,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:28,506 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:28,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:28,506 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:28,506 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:28,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:28,507 INFO L229 MonitoredProcess]: Starting monitored process 1619 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:28,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1619)] Waiting until timeout for monitored process [2024-11-09 00:59:28,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:28,733 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:28,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:28,787 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:28,787 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:28,904 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:28,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1619)] Forceful destruction successful, exit code 0 [2024-11-09 00:59:28,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:28,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:28,909 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:28,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:28,909 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:28,909 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:28,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:28,910 INFO L229 MonitoredProcess]: Starting monitored process 1620 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:28,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1620)] Waiting until timeout for monitored process [2024-11-09 00:59:29,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:29,139 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:29,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:29,169 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:29,170 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:29,286 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:29,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1620)] Ended with exit code 0 [2024-11-09 00:59:29,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:29,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:29,291 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:29,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:29,291 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:29,291 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:29,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:29,292 INFO L229 MonitoredProcess]: Starting monitored process 1621 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:29,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1621)] Waiting until timeout for monitored process [2024-11-09 00:59:29,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:29,521 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:29,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:29,586 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:29,586 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:29,706 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:29,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1621)] Ended with exit code 0 [2024-11-09 00:59:29,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:29,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:29,711 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:29,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:29,711 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:29,711 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:29,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:29,712 INFO L229 MonitoredProcess]: Starting monitored process 1622 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:29,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1622)] Waiting until timeout for monitored process [2024-11-09 00:59:29,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:29,934 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:29,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:29,963 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:29,964 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:30,080 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:30,083 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1622)] Ended with exit code 0 [2024-11-09 00:59:30,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:30,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:30,085 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:30,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:30,086 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:30,086 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:30,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:30,086 INFO L229 MonitoredProcess]: Starting monitored process 1623 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:30,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1623)] Waiting until timeout for monitored process [2024-11-09 00:59:30,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:30,315 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:30,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:30,350 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:30,350 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:30,466 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:30,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1623)] Ended with exit code 0 [2024-11-09 00:59:30,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:30,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:30,471 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:30,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:30,471 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:30,471 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:30,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:30,472 INFO L229 MonitoredProcess]: Starting monitored process 1624 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:30,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1624)] Waiting until timeout for monitored process [2024-11-09 00:59:30,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:30,701 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:30,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:30,736 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:30,737 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:30,857 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:30,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1624)] Ended with exit code 0 [2024-11-09 00:59:30,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:30,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:30,862 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:30,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:30,862 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:30,862 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:30,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:30,863 INFO L229 MonitoredProcess]: Starting monitored process 1625 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:30,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1625)] Waiting until timeout for monitored process [2024-11-09 00:59:31,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:31,088 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:31,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:31,124 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:59:31,125 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:31,367 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:59:31,370 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1625)] Ended with exit code 0 [2024-11-09 00:59:31,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:31,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:31,385 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:31,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:31,385 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:31,385 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:31,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:31,386 INFO L229 MonitoredProcess]: Starting monitored process 1626 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:31,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1626)] Waiting until timeout for monitored process [2024-11-09 00:59:31,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:31,616 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:31,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:31,650 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:31,651 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:31,770 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:31,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1626)] Ended with exit code 0 [2024-11-09 00:59:31,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:31,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:31,774 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:31,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:31,774 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:31,775 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:31,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:31,775 INFO L229 MonitoredProcess]: Starting monitored process 1627 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:31,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1627)] Waiting until timeout for monitored process [2024-11-09 00:59:32,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:32,006 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:32,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:32,084 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:32,085 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:32,202 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:32,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1627)] Ended with exit code 0 [2024-11-09 00:59:32,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:32,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:32,206 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:32,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:32,206 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:32,206 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:32,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:32,207 INFO L229 MonitoredProcess]: Starting monitored process 1628 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:32,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1628)] Waiting until timeout for monitored process [2024-11-09 00:59:32,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:32,433 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:32,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:32,489 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:32,489 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:32,683 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:32,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1628)] Ended with exit code 0 [2024-11-09 00:59:32,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:32,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:32,688 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:32,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:32,689 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:32,689 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:32,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:32,690 INFO L229 MonitoredProcess]: Starting monitored process 1629 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:32,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1629)] Waiting until timeout for monitored process [2024-11-09 00:59:32,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:32,925 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:32,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:32,956 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:32,957 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:33,072 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:33,075 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1629)] Forceful destruction successful, exit code 0 [2024-11-09 00:59:33,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:33,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:33,077 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:33,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:33,077 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:33,077 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:33,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:33,078 INFO L229 MonitoredProcess]: Starting monitored process 1630 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:33,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1630)] Waiting until timeout for monitored process [2024-11-09 00:59:33,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:33,307 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:33,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:33,363 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:33,364 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:33,476 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:33,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1630)] Ended with exit code 0 [2024-11-09 00:59:33,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:33,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:33,481 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:33,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:33,481 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:33,481 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:33,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:33,482 INFO L229 MonitoredProcess]: Starting monitored process 1631 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:33,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1631)] Waiting until timeout for monitored process [2024-11-09 00:59:33,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:33,713 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:33,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:33,747 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:33,747 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:33,883 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:33,886 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1631)] Forceful destruction successful, exit code 0 [2024-11-09 00:59:33,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:33,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:33,888 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:33,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:33,888 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:33,888 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:33,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:33,889 INFO L229 MonitoredProcess]: Starting monitored process 1632 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:33,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1632)] Waiting until timeout for monitored process [2024-11-09 00:59:34,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:34,121 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:34,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:34,154 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:34,154 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:34,282 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:34,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1632)] Forceful destruction successful, exit code 0 [2024-11-09 00:59:34,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:34,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:34,287 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:34,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:34,287 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:34,287 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:34,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:34,288 INFO L229 MonitoredProcess]: Starting monitored process 1633 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:34,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1633)] Waiting until timeout for monitored process [2024-11-09 00:59:34,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:34,516 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:34,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:34,567 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:34,567 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:34,684 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:34,686 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1633)] Forceful destruction successful, exit code 0 [2024-11-09 00:59:34,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:34,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:34,689 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:34,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:34,689 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:34,689 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:34,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:34,690 INFO L229 MonitoredProcess]: Starting monitored process 1634 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:34,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1634)] Waiting until timeout for monitored process [2024-11-09 00:59:34,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:34,909 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:34,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:34,957 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:34,958 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:35,069 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:35,072 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1634)] Forceful destruction successful, exit code 0 [2024-11-09 00:59:35,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:35,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:35,074 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:35,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:35,074 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:35,074 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:35,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:35,075 INFO L229 MonitoredProcess]: Starting monitored process 1635 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:35,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1635)] Waiting until timeout for monitored process [2024-11-09 00:59:35,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:35,305 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:35,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:35,354 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:35,354 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:35,470 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:35,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1635)] Forceful destruction successful, exit code 0 [2024-11-09 00:59:35,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:35,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:35,475 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:35,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:35,475 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:35,475 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:35,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:35,476 INFO L229 MonitoredProcess]: Starting monitored process 1636 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:35,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1636)] Waiting until timeout for monitored process [2024-11-09 00:59:35,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:35,707 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:35,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:35,781 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:35,782 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:35,901 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:35,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1636)] Ended with exit code 0 [2024-11-09 00:59:35,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:35,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:35,906 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:35,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:35,906 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:35,906 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:35,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:35,907 INFO L229 MonitoredProcess]: Starting monitored process 1637 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:35,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1637)] Waiting until timeout for monitored process [2024-11-09 00:59:36,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:36,136 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:36,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:36,194 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:36,194 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:36,314 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:36,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1637)] Ended with exit code 0 [2024-11-09 00:59:36,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:36,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:36,318 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:36,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:36,319 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:36,319 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:36,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:36,319 INFO L229 MonitoredProcess]: Starting monitored process 1638 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:36,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1638)] Waiting until timeout for monitored process [2024-11-09 00:59:36,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:36,547 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:36,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:36,596 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:36,597 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:36,745 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:36,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1638)] Ended with exit code 0 [2024-11-09 00:59:36,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:36,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:36,749 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:36,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:36,749 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:36,750 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:36,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:36,750 INFO L229 MonitoredProcess]: Starting monitored process 1639 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:36,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1639)] Waiting until timeout for monitored process [2024-11-09 00:59:36,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:36,984 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:37,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:37,021 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:59:37,022 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:37,244 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:59:37,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1639)] Ended with exit code 0 [2024-11-09 00:59:37,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:37,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:37,260 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:37,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:37,261 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:37,261 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:37,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:37,262 INFO L229 MonitoredProcess]: Starting monitored process 1640 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:37,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1640)] Waiting until timeout for monitored process [2024-11-09 00:59:37,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:37,489 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:37,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:37,551 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:37,552 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:37,668 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:37,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1640)] Ended with exit code 0 [2024-11-09 00:59:37,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:37,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:37,672 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:37,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:37,672 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:37,673 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:37,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:37,673 INFO L229 MonitoredProcess]: Starting monitored process 1641 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:37,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1641)] Waiting until timeout for monitored process [2024-11-09 00:59:37,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:37,909 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:37,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:37,941 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:37,942 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:38,059 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:38,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1641)] Ended with exit code 0 [2024-11-09 00:59:38,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:38,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:38,064 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:38,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:38,064 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:38,064 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:38,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:38,065 INFO L229 MonitoredProcess]: Starting monitored process 1642 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:38,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1642)] Waiting until timeout for monitored process [2024-11-09 00:59:38,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:38,287 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:38,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:38,333 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:38,333 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:38,460 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:38,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1642)] Ended with exit code 0 [2024-11-09 00:59:38,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:38,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:38,465 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:38,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:38,465 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:38,465 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:38,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:38,466 INFO L229 MonitoredProcess]: Starting monitored process 1643 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:38,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1643)] Waiting until timeout for monitored process [2024-11-09 00:59:38,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:38,694 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:38,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:38,729 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:59:38,729 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:38,945 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:59:38,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1643)] Ended with exit code 0 [2024-11-09 00:59:38,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:38,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:38,962 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:38,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:38,962 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:38,962 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:38,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:38,963 INFO L229 MonitoredProcess]: Starting monitored process 1644 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:38,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1644)] Waiting until timeout for monitored process [2024-11-09 00:59:39,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:39,191 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:39,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:39,222 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:39,222 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:39,350 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:39,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1644)] Ended with exit code 0 [2024-11-09 00:59:39,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:39,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:39,354 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:39,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:39,354 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:39,354 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:39,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:39,355 INFO L229 MonitoredProcess]: Starting monitored process 1645 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:39,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1645)] Waiting until timeout for monitored process [2024-11-09 00:59:39,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:39,585 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:39,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:39,639 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:39,639 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:39,752 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:39,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1645)] Forceful destruction successful, exit code 0 [2024-11-09 00:59:39,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:39,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:39,757 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:39,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:39,757 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:39,757 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:39,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:39,758 INFO L229 MonitoredProcess]: Starting monitored process 1646 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:39,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1646)] Waiting until timeout for monitored process [2024-11-09 00:59:39,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:39,978 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:40,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:40,034 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:59:40,035 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:40,256 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:59:40,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1646)] Ended with exit code 0 [2024-11-09 00:59:40,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:40,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:40,275 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:40,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:40,276 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:40,276 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:40,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:40,277 INFO L229 MonitoredProcess]: Starting monitored process 1647 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:40,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1647)] Waiting until timeout for monitored process [2024-11-09 00:59:40,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:40,501 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:40,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:40,532 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:40,533 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:40,652 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:40,654 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1647)] Forceful destruction successful, exit code 0 [2024-11-09 00:59:40,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:40,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:40,657 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:40,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:40,657 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:40,657 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:40,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:40,658 INFO L229 MonitoredProcess]: Starting monitored process 1648 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:40,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1648)] Waiting until timeout for monitored process [2024-11-09 00:59:40,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:40,886 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:40,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:40,953 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:40,954 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:41,069 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:41,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1648)] Forceful destruction successful, exit code 0 [2024-11-09 00:59:41,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:41,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:41,073 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:41,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:41,074 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:41,074 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:41,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:41,075 INFO L229 MonitoredProcess]: Starting monitored process 1649 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:41,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1649)] Waiting until timeout for monitored process [2024-11-09 00:59:41,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:41,302 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:41,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:41,341 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:41,342 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:41,465 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:41,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1649)] Forceful destruction successful, exit code 0 [2024-11-09 00:59:41,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:41,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:41,469 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:41,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:41,469 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:41,469 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:41,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:41,470 INFO L229 MonitoredProcess]: Starting monitored process 1650 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:41,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1650)] Waiting until timeout for monitored process [2024-11-09 00:59:41,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:41,700 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:41,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:41,730 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:41,731 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:41,850 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:41,853 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1650)] Forceful destruction successful, exit code 0 [2024-11-09 00:59:41,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:41,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:41,855 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:41,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:41,855 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:41,855 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:41,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:41,856 INFO L229 MonitoredProcess]: Starting monitored process 1651 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:41,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1651)] Waiting until timeout for monitored process [2024-11-09 00:59:42,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:42,086 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:42,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:42,119 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:42,120 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:42,251 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:42,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1651)] Forceful destruction successful, exit code 0 [2024-11-09 00:59:42,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:42,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:42,256 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:42,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:42,256 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:42,256 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:42,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:42,257 INFO L229 MonitoredProcess]: Starting monitored process 1652 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:42,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1652)] Waiting until timeout for monitored process [2024-11-09 00:59:42,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:42,485 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:42,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:42,568 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:42,569 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:42,752 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:42,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1652)] Forceful destruction successful, exit code 0 [2024-11-09 00:59:42,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:42,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:42,757 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:42,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:42,757 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:42,757 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:42,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:42,758 INFO L229 MonitoredProcess]: Starting monitored process 1653 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:42,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1653)] Waiting until timeout for monitored process [2024-11-09 00:59:43,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:43,015 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:43,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:43,044 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:43,045 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:43,159 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:43,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1653)] Ended with exit code 0 [2024-11-09 00:59:43,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:43,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:43,163 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:43,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:43,164 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:43,164 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:43,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:43,164 INFO L229 MonitoredProcess]: Starting monitored process 1654 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:43,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1654)] Waiting until timeout for monitored process [2024-11-09 00:59:43,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:43,385 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:43,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:43,417 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:43,418 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:43,533 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:43,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1654)] Ended with exit code 0 [2024-11-09 00:59:43,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:43,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:43,538 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:43,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:43,538 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:43,538 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:43,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:43,539 INFO L229 MonitoredProcess]: Starting monitored process 1655 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:43,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1655)] Waiting until timeout for monitored process [2024-11-09 00:59:43,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:43,765 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:43,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:43,833 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:43,833 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:43,949 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:43,952 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1655)] Ended with exit code 0 [2024-11-09 00:59:43,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:43,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:43,954 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:43,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:43,954 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:43,954 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:43,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:43,955 INFO L229 MonitoredProcess]: Starting monitored process 1656 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:43,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1656)] Waiting until timeout for monitored process [2024-11-09 00:59:44,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:44,184 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:44,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:44,219 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:59:44,220 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:44,459 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:59:44,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1656)] Ended with exit code 0 [2024-11-09 00:59:44,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:44,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:44,475 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:44,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:44,475 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:44,475 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:44,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:44,476 INFO L229 MonitoredProcess]: Starting monitored process 1657 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:44,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1657)] Waiting until timeout for monitored process [2024-11-09 00:59:44,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:44,749 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:44,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:44,829 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:44,829 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:44,944 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:44,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1657)] Forceful destruction successful, exit code 0 [2024-11-09 00:59:44,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:44,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:44,949 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:44,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:44,949 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:44,949 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:44,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:44,950 INFO L229 MonitoredProcess]: Starting monitored process 1658 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:44,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1658)] Waiting until timeout for monitored process [2024-11-09 00:59:45,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:45,179 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:45,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:45,225 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:45,225 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:45,338 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:45,341 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1658)] Forceful destruction successful, exit code 0 [2024-11-09 00:59:45,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:45,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:45,343 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:45,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:45,343 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:45,343 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:45,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:45,344 INFO L229 MonitoredProcess]: Starting monitored process 1659 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:45,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1659)] Waiting until timeout for monitored process [2024-11-09 00:59:45,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:45,575 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:45,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:45,610 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:45,610 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:45,726 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:45,728 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1659)] Forceful destruction successful, exit code 0 [2024-11-09 00:59:45,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:45,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:45,731 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:45,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:45,731 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:45,731 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:45,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:45,732 INFO L229 MonitoredProcess]: Starting monitored process 1660 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:45,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1660)] Waiting until timeout for monitored process [2024-11-09 00:59:45,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:45,973 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:46,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:46,016 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:46,017 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:46,132 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:46,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1660)] Forceful destruction successful, exit code 0 [2024-11-09 00:59:46,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:46,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:46,137 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:46,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:46,137 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:46,137 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:46,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:46,138 INFO L229 MonitoredProcess]: Starting monitored process 1661 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:46,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1661)] Waiting until timeout for monitored process [2024-11-09 00:59:46,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:46,366 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:46,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:46,401 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:46,401 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:46,522 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:46,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1661)] Forceful destruction successful, exit code 0 [2024-11-09 00:59:46,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:46,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:46,527 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:46,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:46,527 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:46,527 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:46,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:46,528 INFO L229 MonitoredProcess]: Starting monitored process 1662 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:46,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1662)] Waiting until timeout for monitored process [2024-11-09 00:59:46,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:46,754 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:46,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:46,789 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:59:46,790 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:47,043 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:59:47,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1662)] Ended with exit code 0 [2024-11-09 00:59:47,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:47,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:47,059 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:47,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:47,060 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:47,060 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:47,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:47,060 INFO L229 MonitoredProcess]: Starting monitored process 1663 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:47,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1663)] Waiting until timeout for monitored process [2024-11-09 00:59:47,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:47,289 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:47,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:47,341 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:47,342 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:47,464 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:47,467 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1663)] Ended with exit code 0 [2024-11-09 00:59:47,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:47,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:47,469 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:47,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:47,469 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:47,469 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:47,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:47,470 INFO L229 MonitoredProcess]: Starting monitored process 1664 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:47,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1664)] Waiting until timeout for monitored process [2024-11-09 00:59:47,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:47,701 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:47,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:47,733 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:47,734 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:47,855 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:47,857 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1664)] Ended with exit code 0 [2024-11-09 00:59:47,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:47,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:47,860 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:47,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:47,860 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:47,860 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:47,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:47,861 INFO L229 MonitoredProcess]: Starting monitored process 1665 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:47,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1665)] Waiting until timeout for monitored process [2024-11-09 00:59:48,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:48,090 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:48,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:48,151 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:48,152 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:48,265 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:48,268 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1665)] Forceful destruction successful, exit code 0 [2024-11-09 00:59:48,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:48,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:48,270 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:48,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:48,270 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:48,270 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:48,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:48,271 INFO L229 MonitoredProcess]: Starting monitored process 1666 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:48,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1666)] Waiting until timeout for monitored process [2024-11-09 00:59:48,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:48,498 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:48,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:48,542 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:48,543 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:48,676 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:48,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1666)] Forceful destruction successful, exit code 0 [2024-11-09 00:59:48,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:48,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:48,680 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:48,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:48,680 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:48,681 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:48,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:48,681 INFO L229 MonitoredProcess]: Starting monitored process 1667 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:48,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1667)] Waiting until timeout for monitored process [2024-11-09 00:59:48,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:48,947 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:48,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:48,980 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:48,981 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:49,094 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:49,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1667)] Ended with exit code 0 [2024-11-09 00:59:49,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:49,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:49,099 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:49,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:49,099 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:49,099 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:49,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:49,100 INFO L229 MonitoredProcess]: Starting monitored process 1668 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:49,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1668)] Waiting until timeout for monitored process [2024-11-09 00:59:49,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:49,331 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:49,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:49,433 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:49,434 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:49,548 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:49,551 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1668)] Forceful destruction successful, exit code 0 [2024-11-09 00:59:49,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:49,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:49,553 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:49,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:49,554 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:49,554 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:49,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:49,554 INFO L229 MonitoredProcess]: Starting monitored process 1669 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:49,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1669)] Waiting until timeout for monitored process [2024-11-09 00:59:49,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:49,783 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:49,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:49,834 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:49,835 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:49,951 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:49,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1669)] Ended with exit code 0 [2024-11-09 00:59:49,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:49,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:49,956 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:49,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:49,956 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:49,956 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:49,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:49,957 INFO L229 MonitoredProcess]: Starting monitored process 1670 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:49,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1670)] Waiting until timeout for monitored process [2024-11-09 00:59:50,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:50,184 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:50,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:50,241 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:50,241 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:50,366 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:50,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1670)] Ended with exit code 0 [2024-11-09 00:59:50,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:50,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:50,370 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:50,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:50,370 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:50,370 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:50,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:50,371 INFO L229 MonitoredProcess]: Starting monitored process 1671 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:50,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1671)] Waiting until timeout for monitored process [2024-11-09 00:59:50,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:50,601 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:50,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:50,654 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:50,654 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:50,776 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:50,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1671)] Ended with exit code 0 [2024-11-09 00:59:50,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:50,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:50,782 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:50,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:50,782 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:50,782 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:50,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:50,783 INFO L229 MonitoredProcess]: Starting monitored process 1672 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:50,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1672)] Waiting until timeout for monitored process [2024-11-09 00:59:51,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:51,026 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:51,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:51,068 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:51,069 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:51,183 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:51,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1672)] Forceful destruction successful, exit code 0 [2024-11-09 00:59:51,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:51,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:51,188 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:51,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:51,188 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:51,188 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:51,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:51,189 INFO L229 MonitoredProcess]: Starting monitored process 1673 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:51,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1673)] Waiting until timeout for monitored process [2024-11-09 00:59:51,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:51,417 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:51,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:51,447 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:51,448 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:51,583 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:51,586 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1673)] Ended with exit code 0 [2024-11-09 00:59:51,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:51,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:51,588 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:51,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:51,588 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:51,588 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:51,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:51,589 INFO L229 MonitoredProcess]: Starting monitored process 1674 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:51,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1674)] Waiting until timeout for monitored process [2024-11-09 00:59:51,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:51,840 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:51,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:51,871 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:51,872 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:51,992 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:51,995 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1674)] Ended with exit code 0 [2024-11-09 00:59:51,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:51,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:51,997 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:51,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:51,997 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:51,997 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:51,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:51,998 INFO L229 MonitoredProcess]: Starting monitored process 1675 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:52,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1675)] Waiting until timeout for monitored process [2024-11-09 00:59:52,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:52,225 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:52,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:52,278 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:52,278 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:52,396 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:52,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1675)] Ended with exit code 0 [2024-11-09 00:59:52,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:52,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:52,400 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:52,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:52,400 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:52,400 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:52,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:52,401 INFO L229 MonitoredProcess]: Starting monitored process 1676 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:52,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1676)] Waiting until timeout for monitored process [2024-11-09 00:59:52,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:52,660 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:52,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:52,726 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:52,727 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:52,859 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:52,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1676)] Forceful destruction successful, exit code 0 [2024-11-09 00:59:52,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:52,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:52,865 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:52,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:52,865 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:52,865 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:52,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:52,866 INFO L229 MonitoredProcess]: Starting monitored process 1677 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:52,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1677)] Waiting until timeout for monitored process [2024-11-09 00:59:53,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:53,102 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:53,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:53,133 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:53,134 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:53,254 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:53,257 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1677)] Forceful destruction successful, exit code 0 [2024-11-09 00:59:53,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:53,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:53,259 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:53,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:53,259 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:53,259 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:53,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:53,260 INFO L229 MonitoredProcess]: Starting monitored process 1678 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:53,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1678)] Waiting until timeout for monitored process [2024-11-09 00:59:53,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:53,492 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:53,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:53,527 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:59:53,528 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:53,774 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:59:53,777 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1678)] Ended with exit code 0 [2024-11-09 00:59:53,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:53,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:53,790 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:53,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:53,790 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:53,790 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:53,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:53,791 INFO L229 MonitoredProcess]: Starting monitored process 1679 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:53,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1679)] Waiting until timeout for monitored process [2024-11-09 00:59:54,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:54,037 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:54,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:54,070 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:54,071 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:54,188 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:54,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1679)] Ended with exit code 0 [2024-11-09 00:59:54,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:54,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:54,193 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:54,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:54,193 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:54,193 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:54,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:54,194 INFO L229 MonitoredProcess]: Starting monitored process 1680 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:54,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1680)] Waiting until timeout for monitored process [2024-11-09 00:59:54,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:54,425 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:54,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:54,479 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:54,480 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:54,600 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:54,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1680)] Ended with exit code 0 [2024-11-09 00:59:54,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:54,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:54,605 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:54,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:54,605 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:54,605 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:54,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:54,606 INFO L229 MonitoredProcess]: Starting monitored process 1681 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:54,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1681)] Waiting until timeout for monitored process [2024-11-09 00:59:54,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:54,877 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:54,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:54,963 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:54,964 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:55,082 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:55,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1681)] Ended with exit code 0 [2024-11-09 00:59:55,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:55,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:55,087 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:55,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:55,087 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:55,087 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:55,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:55,088 INFO L229 MonitoredProcess]: Starting monitored process 1682 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:55,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1682)] Waiting until timeout for monitored process [2024-11-09 00:59:55,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:55,312 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:55,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:55,343 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:55,343 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:55,465 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:55,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1682)] Forceful destruction successful, exit code 0 [2024-11-09 00:59:55,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:55,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:55,470 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:55,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:55,470 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:55,470 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:55,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:55,471 INFO L229 MonitoredProcess]: Starting monitored process 1683 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:55,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1683)] Waiting until timeout for monitored process [2024-11-09 00:59:55,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:55,693 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:55,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:55,759 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:59:55,759 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:55,999 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 00:59:56,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1683)] Ended with exit code 0 [2024-11-09 00:59:56,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:56,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:56,015 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:56,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:56,015 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:56,015 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:56,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:56,016 INFO L229 MonitoredProcess]: Starting monitored process 1684 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:56,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1684)] Waiting until timeout for monitored process [2024-11-09 00:59:56,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:56,248 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:56,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:56,299 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:56,300 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:56,421 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:56,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1684)] Forceful destruction successful, exit code 0 [2024-11-09 00:59:56,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:56,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:56,426 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:56,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:56,426 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:56,426 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:56,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:56,427 INFO L229 MonitoredProcess]: Starting monitored process 1685 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:56,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1685)] Waiting until timeout for monitored process [2024-11-09 00:59:56,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:56,656 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:56,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:56,734 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:56,735 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:56,848 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:56,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1685)] Ended with exit code 0 [2024-11-09 00:59:56,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:56,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:56,853 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:56,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:56,853 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:56,853 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:56,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:56,854 INFO L229 MonitoredProcess]: Starting monitored process 1686 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:56,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1686)] Waiting until timeout for monitored process [2024-11-09 00:59:57,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:57,082 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:57,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:57,122 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:57,123 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:57,241 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:57,243 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1686)] Forceful destruction successful, exit code 0 [2024-11-09 00:59:57,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:57,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:57,246 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:57,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:57,246 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:57,246 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:57,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:57,247 INFO L229 MonitoredProcess]: Starting monitored process 1687 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:57,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1687)] Waiting until timeout for monitored process [2024-11-09 00:59:57,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:57,483 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:57,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:57,521 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:57,522 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:57,651 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:57,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1687)] Ended with exit code 0 [2024-11-09 00:59:57,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:57,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:57,656 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:57,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:57,656 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:57,656 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:57,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:57,657 INFO L229 MonitoredProcess]: Starting monitored process 1688 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:57,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1688)] Waiting until timeout for monitored process [2024-11-09 00:59:57,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:57,918 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:57,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:57,987 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:57,987 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:58,146 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:58,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1688)] Forceful destruction successful, exit code 0 [2024-11-09 00:59:58,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:58,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:58,150 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:58,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:58,150 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:58,150 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:58,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:58,151 INFO L229 MonitoredProcess]: Starting monitored process 1689 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:58,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1689)] Waiting until timeout for monitored process [2024-11-09 00:59:58,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:58,412 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:58,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:58,441 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:58,442 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:58,553 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:58,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1689)] Ended with exit code 0 [2024-11-09 00:59:58,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:58,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:58,558 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:58,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:58,558 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:58,558 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:58,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:58,559 INFO L229 MonitoredProcess]: Starting monitored process 1690 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:58,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1690)] Waiting until timeout for monitored process [2024-11-09 00:59:58,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:58,814 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:58,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:58,863 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:58,863 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:58,989 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:58,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1690)] Ended with exit code 0 [2024-11-09 00:59:58,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:58,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:58,993 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:58,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:58,994 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:58,994 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:58,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:58,995 INFO L229 MonitoredProcess]: Starting monitored process 1691 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:58,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1691)] Waiting until timeout for monitored process [2024-11-09 00:59:59,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:59,224 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:59,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:59,258 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:59,258 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:59,373 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:59,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1691)] Ended with exit code 0 [2024-11-09 00:59:59,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:59,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:59,377 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:59,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:59,377 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:59,377 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:59,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:59,378 INFO L229 MonitoredProcess]: Starting monitored process 1692 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:59,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1692)] Waiting until timeout for monitored process [2024-11-09 00:59:59,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:59,604 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:59,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:59,638 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:59:59,639 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:59,756 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:59:59,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1692)] Forceful destruction successful, exit code 0 [2024-11-09 00:59:59,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:59,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 00:59:59,761 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 00:59:59,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:59:59,761 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:59,761 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:59,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:59,762 INFO L229 MonitoredProcess]: Starting monitored process 1693 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:59,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1693)] Waiting until timeout for monitored process [2024-11-09 00:59:59,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:59,982 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:00,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:00,018 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 01:00:00,018 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:00,241 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 01:00:00,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1693)] Forceful destruction successful, exit code 0 [2024-11-09 01:00:00,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:00,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:00,262 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:00,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:00,262 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:00,262 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:00,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:00,263 INFO L229 MonitoredProcess]: Starting monitored process 1694 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:00,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1694)] Waiting until timeout for monitored process [2024-11-09 01:00:00,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:00,492 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:00,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:00,556 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:00,556 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:00,667 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:00,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1694)] Ended with exit code 0 [2024-11-09 01:00:00,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:00,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:00,672 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:00,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:00,672 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:00,672 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:00,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:00,673 INFO L229 MonitoredProcess]: Starting monitored process 1695 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:00,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1695)] Waiting until timeout for monitored process [2024-11-09 01:00:00,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:00,899 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:00,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:00,930 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:00,931 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:01,046 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:01,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1695)] Ended with exit code 0 [2024-11-09 01:00:01,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:01,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:01,051 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:01,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:01,051 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:01,051 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:01,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:01,052 INFO L229 MonitoredProcess]: Starting monitored process 1696 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:01,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1696)] Waiting until timeout for monitored process [2024-11-09 01:00:01,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:01,279 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:01,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:01,345 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:01,346 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:01,463 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:01,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1696)] Ended with exit code 0 [2024-11-09 01:00:01,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:01,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:01,467 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:01,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:01,468 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:01,468 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:01,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:01,468 INFO L229 MonitoredProcess]: Starting monitored process 1697 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:01,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1697)] Waiting until timeout for monitored process [2024-11-09 01:00:01,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:01,699 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:01,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:01,746 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:01,746 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:01,866 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:01,868 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1697)] Ended with exit code 0 [2024-11-09 01:00:01,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:01,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:01,870 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:01,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:01,871 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:01,871 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:01,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:01,872 INFO L229 MonitoredProcess]: Starting monitored process 1698 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:01,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1698)] Waiting until timeout for monitored process [2024-11-09 01:00:02,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:02,136 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:02,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:02,168 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:02,169 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:02,303 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:02,305 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1698)] Forceful destruction successful, exit code 0 [2024-11-09 01:00:02,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:02,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:02,307 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:02,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:02,307 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:02,307 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:02,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:02,308 INFO L229 MonitoredProcess]: Starting monitored process 1699 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:02,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1699)] Waiting until timeout for monitored process [2024-11-09 01:00:02,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:02,588 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:02,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:02,640 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:02,641 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:02,786 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:02,788 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1699)] Ended with exit code 0 [2024-11-09 01:00:02,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:02,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:02,791 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:02,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:02,791 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:02,791 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:02,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:02,792 INFO L229 MonitoredProcess]: Starting monitored process 1700 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:02,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1700)] Waiting until timeout for monitored process [2024-11-09 01:00:03,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:03,028 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:03,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:03,060 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:03,061 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:03,202 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:03,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1700)] Ended with exit code 0 [2024-11-09 01:00:03,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:03,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:03,207 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:03,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:03,207 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:03,207 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:03,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:03,210 INFO L229 MonitoredProcess]: Starting monitored process 1701 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:03,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1701)] Waiting until timeout for monitored process [2024-11-09 01:00:03,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:03,433 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:03,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:03,463 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:03,464 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:03,596 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:03,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1701)] Ended with exit code 0 [2024-11-09 01:00:03,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:03,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:03,601 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:03,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:03,601 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:03,601 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:03,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:03,602 INFO L229 MonitoredProcess]: Starting monitored process 1702 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:03,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1702)] Waiting until timeout for monitored process [2024-11-09 01:00:03,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:03,834 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:03,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:03,879 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:03,880 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:03,995 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:03,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1702)] Forceful destruction successful, exit code 0 [2024-11-09 01:00:04,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:04,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:04,000 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:04,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:04,000 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:04,000 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:04,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:04,001 INFO L229 MonitoredProcess]: Starting monitored process 1703 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:04,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1703)] Waiting until timeout for monitored process [2024-11-09 01:00:04,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:04,263 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:04,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:04,303 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:04,303 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:04,415 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:04,417 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1703)] Ended with exit code 0 [2024-11-09 01:00:04,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:04,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:04,419 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:04,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:04,419 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:04,419 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:04,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:04,420 INFO L229 MonitoredProcess]: Starting monitored process 1704 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:04,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1704)] Waiting until timeout for monitored process [2024-11-09 01:00:04,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:04,661 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:04,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:04,694 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:04,695 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:04,826 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:04,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1704)] Ended with exit code 0 [2024-11-09 01:00:04,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:04,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:04,831 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:04,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:04,831 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:04,831 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:04,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:04,832 INFO L229 MonitoredProcess]: Starting monitored process 1705 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:04,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1705)] Waiting until timeout for monitored process [2024-11-09 01:00:05,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:05,061 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:05,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:05,109 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:05,109 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:05,222 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:05,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1705)] Ended with exit code 0 [2024-11-09 01:00:05,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:05,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:05,227 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:05,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:05,227 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:05,227 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:05,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:05,228 INFO L229 MonitoredProcess]: Starting monitored process 1706 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:05,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1706)] Waiting until timeout for monitored process [2024-11-09 01:00:05,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:05,456 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:05,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:05,492 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:05,493 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:05,606 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:05,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1706)] Ended with exit code 0 [2024-11-09 01:00:05,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:05,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:05,611 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:05,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:05,611 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:05,611 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:05,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:05,612 INFO L229 MonitoredProcess]: Starting monitored process 1707 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:05,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1707)] Waiting until timeout for monitored process [2024-11-09 01:00:05,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:05,843 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:05,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:05,879 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 01:00:05,880 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:06,104 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 01:00:06,107 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1707)] Forceful destruction successful, exit code 0 [2024-11-09 01:00:06,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:06,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:06,123 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:06,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:06,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:06,124 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:06,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:06,125 INFO L229 MonitoredProcess]: Starting monitored process 1708 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:06,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1708)] Waiting until timeout for monitored process [2024-11-09 01:00:06,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:06,394 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:06,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:06,442 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:06,443 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:06,556 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:06,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1708)] Ended with exit code 0 [2024-11-09 01:00:06,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:06,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:06,561 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:06,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:06,561 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:06,561 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:06,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:06,562 INFO L229 MonitoredProcess]: Starting monitored process 1709 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:06,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1709)] Waiting until timeout for monitored process [2024-11-09 01:00:06,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:06,792 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:06,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:06,822 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:06,823 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:06,940 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:06,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1709)] Ended with exit code 0 [2024-11-09 01:00:06,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:06,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:06,945 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:06,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:06,946 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:06,946 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:06,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:06,947 INFO L229 MonitoredProcess]: Starting monitored process 1710 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:06,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1710)] Waiting until timeout for monitored process [2024-11-09 01:00:07,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:07,177 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:07,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:07,232 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:07,233 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:07,347 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:07,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1710)] Ended with exit code 0 [2024-11-09 01:00:07,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:07,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:07,354 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:07,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:07,354 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:07,355 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:07,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:07,357 INFO L229 MonitoredProcess]: Starting monitored process 1711 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:07,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1711)] Waiting until timeout for monitored process [2024-11-09 01:00:07,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:07,594 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:07,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:07,636 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:07,637 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:07,754 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:07,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1711)] Ended with exit code 0 [2024-11-09 01:00:07,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:07,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:07,758 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:07,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:07,759 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:07,759 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:07,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:07,760 INFO L229 MonitoredProcess]: Starting monitored process 1712 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:07,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1712)] Waiting until timeout for monitored process [2024-11-09 01:00:07,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:07,986 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:08,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:08,016 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:08,017 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:08,142 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:08,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1712)] Ended with exit code 0 [2024-11-09 01:00:08,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:08,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:08,147 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:08,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:08,147 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:08,147 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:08,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:08,148 INFO L229 MonitoredProcess]: Starting monitored process 1713 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:08,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1713)] Waiting until timeout for monitored process [2024-11-09 01:00:08,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:08,382 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:08,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:08,419 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 01:00:08,419 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:08,643 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 01:00:08,645 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1713)] Ended with exit code 0 [2024-11-09 01:00:08,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:08,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:08,657 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:08,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:08,657 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:08,657 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:08,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:08,658 INFO L229 MonitoredProcess]: Starting monitored process 1714 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:08,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1714)] Waiting until timeout for monitored process [2024-11-09 01:00:08,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:08,914 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:08,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:08,945 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:08,946 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:09,063 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:09,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1714)] Ended with exit code 0 [2024-11-09 01:00:09,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:09,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:09,068 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:09,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:09,068 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:09,068 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:09,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:09,069 INFO L229 MonitoredProcess]: Starting monitored process 1715 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:09,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1715)] Waiting until timeout for monitored process [2024-11-09 01:00:09,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:09,300 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:09,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:09,369 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:09,370 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:09,485 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:09,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1715)] Ended with exit code 0 [2024-11-09 01:00:09,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:09,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:09,489 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:09,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:09,489 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:09,489 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:09,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:09,490 INFO L229 MonitoredProcess]: Starting monitored process 1716 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:09,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1716)] Waiting until timeout for monitored process [2024-11-09 01:00:09,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:09,719 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:09,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:09,785 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:09,785 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:09,903 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:09,906 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1716)] Forceful destruction successful, exit code 0 [2024-11-09 01:00:09,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:09,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:09,908 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:09,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:09,908 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:09,908 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:09,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:09,909 INFO L229 MonitoredProcess]: Starting monitored process 1717 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:09,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1717)] Waiting until timeout for monitored process [2024-11-09 01:00:10,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:10,141 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:10,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:10,173 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:10,174 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:10,301 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:10,303 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1717)] Forceful destruction successful, exit code 0 [2024-11-09 01:00:10,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:10,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:10,305 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:10,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:10,306 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:10,306 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:10,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:10,307 INFO L229 MonitoredProcess]: Starting monitored process 1718 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:10,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1718)] Waiting until timeout for monitored process [2024-11-09 01:00:10,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:10,534 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:10,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:10,565 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:10,566 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:10,688 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:10,691 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1718)] Ended with exit code 0 [2024-11-09 01:00:10,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:10,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:10,693 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:10,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:10,693 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:10,693 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:10,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:10,694 INFO L229 MonitoredProcess]: Starting monitored process 1719 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:10,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1719)] Waiting until timeout for monitored process [2024-11-09 01:00:10,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:10,918 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:10,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:11,000 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:11,001 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:11,126 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:11,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1719)] Ended with exit code 0 [2024-11-09 01:00:11,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:11,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:11,131 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:11,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:11,131 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:11,131 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:11,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:11,132 INFO L229 MonitoredProcess]: Starting monitored process 1720 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:11,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1720)] Waiting until timeout for monitored process [2024-11-09 01:00:11,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:11,378 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:11,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:11,409 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:11,410 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:11,542 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:11,545 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1720)] Ended with exit code 0 [2024-11-09 01:00:11,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:11,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:11,547 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:11,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:11,547 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:11,547 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:11,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:11,548 INFO L229 MonitoredProcess]: Starting monitored process 1721 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:11,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1721)] Waiting until timeout for monitored process [2024-11-09 01:00:11,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:11,785 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:11,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:11,819 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:11,820 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:11,960 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:11,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1721)] Ended with exit code 0 [2024-11-09 01:00:11,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:11,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:11,965 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:11,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:11,965 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:11,965 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:11,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:11,966 INFO L229 MonitoredProcess]: Starting monitored process 1722 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:11,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1722)] Waiting until timeout for monitored process [2024-11-09 01:00:12,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:12,220 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:12,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:12,251 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:12,252 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:12,366 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:12,369 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1722)] Ended with exit code 0 [2024-11-09 01:00:12,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:12,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:12,371 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:12,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:12,371 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:12,371 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:12,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:12,372 INFO L229 MonitoredProcess]: Starting monitored process 1723 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:12,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1723)] Waiting until timeout for monitored process [2024-11-09 01:00:12,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:12,660 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:12,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:12,749 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:12,750 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:12,867 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:12,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1723)] Ended with exit code 0 [2024-11-09 01:00:12,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:12,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:12,872 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:12,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:12,872 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:12,872 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:12,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:12,873 INFO L229 MonitoredProcess]: Starting monitored process 1724 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:12,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1724)] Waiting until timeout for monitored process [2024-11-09 01:00:13,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:13,101 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:13,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:13,137 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 01:00:13,138 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:13,372 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 01:00:13,374 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1724)] Ended with exit code 0 [2024-11-09 01:00:13,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:13,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:13,389 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:13,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:13,389 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:13,389 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:13,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:13,390 INFO L229 MonitoredProcess]: Starting monitored process 1725 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:13,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1725)] Waiting until timeout for monitored process [2024-11-09 01:00:13,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:13,636 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:13,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:13,686 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:13,687 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:13,809 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:13,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1725)] Ended with exit code 0 [2024-11-09 01:00:13,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:13,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:13,814 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:13,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:13,814 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:13,814 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:13,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:13,815 INFO L229 MonitoredProcess]: Starting monitored process 1726 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:13,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1726)] Waiting until timeout for monitored process [2024-11-09 01:00:14,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:14,049 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:14,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:14,080 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:14,081 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:14,198 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:14,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1726)] Ended with exit code 0 [2024-11-09 01:00:14,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:14,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:14,203 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:14,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:14,203 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:14,203 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:14,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:14,204 INFO L229 MonitoredProcess]: Starting monitored process 1727 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:14,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1727)] Waiting until timeout for monitored process [2024-11-09 01:00:14,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:14,435 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:14,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:14,467 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:14,467 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:14,584 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:14,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1727)] Forceful destruction successful, exit code 0 [2024-11-09 01:00:14,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:14,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:14,589 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:14,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:14,589 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:14,589 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:14,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:14,590 INFO L229 MonitoredProcess]: Starting monitored process 1728 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:14,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1728)] Waiting until timeout for monitored process [2024-11-09 01:00:14,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:14,831 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:14,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:14,865 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:14,866 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:14,983 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:14,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1728)] Ended with exit code 0 [2024-11-09 01:00:14,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:14,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:14,988 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:14,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:14,988 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:14,988 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:14,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:14,989 INFO L229 MonitoredProcess]: Starting monitored process 1729 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:14,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1729)] Waiting until timeout for monitored process [2024-11-09 01:00:15,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:15,219 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:15,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:15,253 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 01:00:15,254 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:15,479 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 01:00:15,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1729)] Ended with exit code 0 [2024-11-09 01:00:15,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:15,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:15,495 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:15,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:15,495 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:15,496 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:15,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:15,496 INFO L229 MonitoredProcess]: Starting monitored process 1730 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:15,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1730)] Waiting until timeout for monitored process [2024-11-09 01:00:15,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:15,744 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:15,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:15,780 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 01:00:15,781 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:16,008 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 01:00:16,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1730)] Ended with exit code 0 [2024-11-09 01:00:16,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:16,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:16,028 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:16,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:16,028 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:16,028 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:16,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:16,029 INFO L229 MonitoredProcess]: Starting monitored process 1731 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:16,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1731)] Waiting until timeout for monitored process [2024-11-09 01:00:16,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:16,259 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:16,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:16,342 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:16,343 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:16,463 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:16,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1731)] Ended with exit code 0 [2024-11-09 01:00:16,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:16,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:16,468 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:16,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:16,468 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:16,468 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:16,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:16,469 INFO L229 MonitoredProcess]: Starting monitored process 1732 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:16,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1732)] Waiting until timeout for monitored process [2024-11-09 01:00:16,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:16,734 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:16,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:16,765 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:16,766 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:16,902 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:16,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1732)] Ended with exit code 0 [2024-11-09 01:00:16,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:16,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:16,911 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:16,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:16,911 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:16,911 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:16,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:16,912 INFO L229 MonitoredProcess]: Starting monitored process 1733 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:16,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1733)] Waiting until timeout for monitored process [2024-11-09 01:00:17,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:17,137 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:17,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:17,175 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 01:00:17,176 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:17,393 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 01:00:17,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1733)] Forceful destruction successful, exit code 0 [2024-11-09 01:00:17,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:17,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:17,408 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:17,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:17,409 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:17,409 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:17,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:17,409 INFO L229 MonitoredProcess]: Starting monitored process 1734 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:17,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1734)] Waiting until timeout for monitored process [2024-11-09 01:00:17,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:17,653 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:17,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:17,684 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:17,684 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:17,801 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:17,804 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1734)] Forceful destruction successful, exit code 0 [2024-11-09 01:00:17,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:17,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:17,806 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:17,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:17,806 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:17,806 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:17,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:17,807 INFO L229 MonitoredProcess]: Starting monitored process 1735 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:17,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1735)] Waiting until timeout for monitored process [2024-11-09 01:00:18,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:18,054 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:18,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:18,103 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:18,104 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:18,224 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:18,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1735)] Ended with exit code 0 [2024-11-09 01:00:18,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:18,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:18,229 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:18,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:18,229 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:18,229 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:18,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:18,230 INFO L229 MonitoredProcess]: Starting monitored process 1736 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:18,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1736)] Waiting until timeout for monitored process [2024-11-09 01:00:18,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:18,474 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:18,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:18,539 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:18,540 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:18,659 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:18,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1736)] Ended with exit code 0 [2024-11-09 01:00:18,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:18,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:18,664 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:18,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:18,664 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:18,664 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:18,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:18,666 INFO L229 MonitoredProcess]: Starting monitored process 1737 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:18,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1737)] Waiting until timeout for monitored process [2024-11-09 01:00:18,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:18,894 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:18,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:18,929 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 01:00:18,930 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:19,153 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 01:00:19,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1737)] Ended with exit code 0 [2024-11-09 01:00:19,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:19,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:19,174 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:19,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:19,174 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:19,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:19,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:19,175 INFO L229 MonitoredProcess]: Starting monitored process 1738 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:19,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1738)] Waiting until timeout for monitored process [2024-11-09 01:00:19,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:19,404 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:19,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:19,435 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:19,436 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:19,549 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:19,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1738)] Ended with exit code 0 [2024-11-09 01:00:19,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:19,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:19,554 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:19,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:19,554 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:19,554 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:19,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:19,555 INFO L229 MonitoredProcess]: Starting monitored process 1739 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:19,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1739)] Waiting until timeout for monitored process [2024-11-09 01:00:19,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:19,794 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:19,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:19,825 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:19,826 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:19,942 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:19,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1739)] Ended with exit code 0 [2024-11-09 01:00:19,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:19,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:19,947 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:19,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:19,947 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:19,947 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:19,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:19,948 INFO L229 MonitoredProcess]: Starting monitored process 1740 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:19,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1740)] Waiting until timeout for monitored process [2024-11-09 01:00:20,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:20,178 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:20,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:20,226 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:20,226 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:20,345 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:20,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1740)] Ended with exit code 0 [2024-11-09 01:00:20,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:20,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:20,349 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:20,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:20,349 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:20,349 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:20,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:20,350 INFO L229 MonitoredProcess]: Starting monitored process 1741 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:20,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1741)] Waiting until timeout for monitored process [2024-11-09 01:00:20,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:20,569 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:20,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:20,599 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:20,599 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:20,714 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:20,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1741)] Forceful destruction successful, exit code 0 [2024-11-09 01:00:20,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:20,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:20,719 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:20,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:20,719 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:20,719 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:20,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:20,720 INFO L229 MonitoredProcess]: Starting monitored process 1742 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:20,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1742)] Waiting until timeout for monitored process [2024-11-09 01:00:20,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:20,948 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:20,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:20,994 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:20,995 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:21,114 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:21,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1742)] Forceful destruction successful, exit code 0 [2024-11-09 01:00:21,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:21,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:21,118 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:21,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:21,118 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:21,118 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:21,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:21,119 INFO L229 MonitoredProcess]: Starting monitored process 1743 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:21,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1743)] Waiting until timeout for monitored process [2024-11-09 01:00:21,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:21,354 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:21,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:21,383 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:21,384 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:21,523 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:21,525 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1743)] Forceful destruction successful, exit code 0 [2024-11-09 01:00:21,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:21,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:21,527 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:21,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:21,528 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:21,528 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:21,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:21,528 INFO L229 MonitoredProcess]: Starting monitored process 1744 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:21,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1744)] Waiting until timeout for monitored process [2024-11-09 01:00:21,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:21,766 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:21,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:21,800 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 01:00:21,801 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:22,028 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 01:00:22,030 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1744)] Forceful destruction successful, exit code 0 [2024-11-09 01:00:22,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:22,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:22,042 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:22,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:22,042 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:22,042 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:22,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:22,043 INFO L229 MonitoredProcess]: Starting monitored process 1745 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:22,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1745)] Waiting until timeout for monitored process [2024-11-09 01:00:22,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:22,272 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:22,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:22,341 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:22,341 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:22,456 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:22,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1745)] Forceful destruction successful, exit code 0 [2024-11-09 01:00:22,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:22,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:22,460 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:22,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:22,461 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:22,461 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:22,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:22,462 INFO L229 MonitoredProcess]: Starting monitored process 1746 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:22,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1746)] Waiting until timeout for monitored process [2024-11-09 01:00:22,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:22,815 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:22,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:22,909 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:22,910 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:23,033 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:23,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1746)] Forceful destruction successful, exit code 0 [2024-11-09 01:00:23,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:23,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:23,037 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:23,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:23,037 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:23,038 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:23,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:23,038 INFO L229 MonitoredProcess]: Starting monitored process 1747 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:23,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1747)] Waiting until timeout for monitored process [2024-11-09 01:00:23,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:23,266 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:23,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:23,297 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:23,298 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:23,417 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:23,420 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1747)] Forceful destruction successful, exit code 0 [2024-11-09 01:00:23,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:23,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:23,422 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:23,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:23,422 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:23,422 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:23,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:23,423 INFO L229 MonitoredProcess]: Starting monitored process 1748 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:23,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1748)] Waiting until timeout for monitored process [2024-11-09 01:00:23,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:23,651 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:23,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:23,683 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:23,683 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:23,799 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:23,802 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1748)] Forceful destruction successful, exit code 0 [2024-11-09 01:00:23,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:23,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:23,804 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:23,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:23,804 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:23,804 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:23,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:23,805 INFO L229 MonitoredProcess]: Starting monitored process 1749 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:23,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1749)] Waiting until timeout for monitored process [2024-11-09 01:00:24,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:24,036 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:24,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:24,068 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:24,069 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:24,184 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:24,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1749)] Ended with exit code 0 [2024-11-09 01:00:24,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:24,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:24,189 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:24,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:24,189 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:24,189 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:24,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:24,190 INFO L229 MonitoredProcess]: Starting monitored process 1750 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:24,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1750)] Waiting until timeout for monitored process [2024-11-09 01:00:24,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:24,421 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:24,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:24,452 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:24,453 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:24,579 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:24,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1750)] Forceful destruction successful, exit code 0 [2024-11-09 01:00:24,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:24,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:24,584 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:24,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:24,585 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:24,585 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:24,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:24,586 INFO L229 MonitoredProcess]: Starting monitored process 1751 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:24,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1751)] Waiting until timeout for monitored process [2024-11-09 01:00:24,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:24,816 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:24,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:24,881 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:24,881 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:25,004 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:25,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1751)] Ended with exit code 0 [2024-11-09 01:00:25,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:25,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:25,009 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:25,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:25,009 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:25,009 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:25,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:25,010 INFO L229 MonitoredProcess]: Starting monitored process 1752 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:25,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1752)] Waiting until timeout for monitored process [2024-11-09 01:00:25,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:25,240 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:25,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:25,279 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:25,280 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:25,392 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:25,394 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1752)] Forceful destruction successful, exit code 0 [2024-11-09 01:00:25,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:25,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:25,397 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:25,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:25,397 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:25,397 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:25,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:25,398 INFO L229 MonitoredProcess]: Starting monitored process 1753 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:25,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1753)] Waiting until timeout for monitored process [2024-11-09 01:00:25,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:25,627 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:25,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:25,703 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:25,704 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:25,849 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:25,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1753)] Ended with exit code 0 [2024-11-09 01:00:25,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:25,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:25,853 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:25,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:25,853 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:25,853 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:25,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:25,854 INFO L229 MonitoredProcess]: Starting monitored process 1754 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:25,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1754)] Waiting until timeout for monitored process [2024-11-09 01:00:26,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:26,099 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:26,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:26,129 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:26,130 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:26,245 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:26,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1754)] Ended with exit code 0 [2024-11-09 01:00:26,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:26,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:26,250 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:26,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:26,250 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:26,250 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:26,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:26,251 INFO L229 MonitoredProcess]: Starting monitored process 1755 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:26,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1755)] Waiting until timeout for monitored process [2024-11-09 01:00:26,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:26,488 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:26,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:26,520 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:26,521 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:26,653 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:26,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1755)] Ended with exit code 0 [2024-11-09 01:00:26,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:26,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:26,657 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:26,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:26,657 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:26,657 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:26,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:26,658 INFO L229 MonitoredProcess]: Starting monitored process 1756 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:26,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1756)] Waiting until timeout for monitored process [2024-11-09 01:00:26,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:26,918 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:26,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:26,949 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:26,950 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:27,075 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:27,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1756)] Ended with exit code 0 [2024-11-09 01:00:27,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:27,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:27,080 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:27,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:27,080 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:27,080 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:27,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:27,081 INFO L229 MonitoredProcess]: Starting monitored process 1757 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:27,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1757)] Waiting until timeout for monitored process [2024-11-09 01:00:27,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:27,313 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:27,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:27,349 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 01:00:27,350 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:27,588 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 01:00:27,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1757)] Forceful destruction successful, exit code 0 [2024-11-09 01:00:27,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:27,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:27,603 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:27,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:27,603 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:27,604 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:27,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:27,604 INFO L229 MonitoredProcess]: Starting monitored process 1758 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:27,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1758)] Waiting until timeout for monitored process [2024-11-09 01:00:27,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:27,879 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:27,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:27,937 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:27,938 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:28,050 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:28,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1758)] Ended with exit code 0 [2024-11-09 01:00:28,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:28,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:28,055 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:28,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:28,055 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:28,055 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:28,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:28,056 INFO L229 MonitoredProcess]: Starting monitored process 1759 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:28,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1759)] Waiting until timeout for monitored process [2024-11-09 01:00:28,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:28,296 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:28,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:28,329 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:28,329 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:28,442 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:28,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1759)] Forceful destruction successful, exit code 0 [2024-11-09 01:00:28,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:28,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:28,446 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:28,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:28,447 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:28,447 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:28,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:28,447 INFO L229 MonitoredProcess]: Starting monitored process 1760 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:28,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1760)] Waiting until timeout for monitored process [2024-11-09 01:00:28,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:28,713 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:28,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:28,744 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:28,745 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:28,864 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:28,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1760)] Ended with exit code 0 [2024-11-09 01:00:28,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:28,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:28,868 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:28,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:28,868 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:28,869 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:28,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:28,869 INFO L229 MonitoredProcess]: Starting monitored process 1761 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:28,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1761)] Waiting until timeout for monitored process [2024-11-09 01:00:29,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:29,101 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:29,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:29,150 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:29,151 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:29,267 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:29,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1761)] Ended with exit code 0 [2024-11-09 01:00:29,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:29,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:29,271 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:29,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:29,271 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:29,271 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:29,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:29,272 INFO L229 MonitoredProcess]: Starting monitored process 1762 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:29,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1762)] Waiting until timeout for monitored process [2024-11-09 01:00:29,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:29,502 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:29,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:29,555 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:29,556 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:29,673 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:29,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1762)] Ended with exit code 0 [2024-11-09 01:00:29,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:29,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:29,678 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:29,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:29,678 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:29,678 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:29,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:29,679 INFO L229 MonitoredProcess]: Starting monitored process 1763 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:29,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1763)] Waiting until timeout for monitored process [2024-11-09 01:00:29,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:29,903 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:29,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:29,936 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:29,936 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:30,052 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:30,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1763)] Ended with exit code 0 [2024-11-09 01:00:30,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:30,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:30,057 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:30,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:30,057 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:30,057 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:30,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:30,058 INFO L229 MonitoredProcess]: Starting monitored process 1764 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:30,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1764)] Waiting until timeout for monitored process [2024-11-09 01:00:30,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:30,291 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:30,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:30,323 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:30,324 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:30,442 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:30,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1764)] Ended with exit code 0 [2024-11-09 01:00:30,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:30,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:30,447 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:30,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:30,447 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:30,447 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:30,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:30,448 INFO L229 MonitoredProcess]: Starting monitored process 1765 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:30,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1765)] Waiting until timeout for monitored process [2024-11-09 01:00:30,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:30,702 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:30,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:30,734 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:30,735 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:30,851 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:30,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1765)] Ended with exit code 0 [2024-11-09 01:00:30,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:30,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:30,856 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:30,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:30,856 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:30,856 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:30,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:30,857 INFO L229 MonitoredProcess]: Starting monitored process 1766 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:30,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1766)] Waiting until timeout for monitored process [2024-11-09 01:00:31,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:31,087 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:31,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:31,182 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:31,182 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:31,300 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:31,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1766)] Ended with exit code 0 [2024-11-09 01:00:31,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:31,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:31,305 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:31,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:31,305 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:31,305 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:31,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:31,306 INFO L229 MonitoredProcess]: Starting monitored process 1767 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:31,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1767)] Waiting until timeout for monitored process [2024-11-09 01:00:31,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:31,547 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:31,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:31,577 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:31,578 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:31,699 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:31,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1767)] Ended with exit code 0 [2024-11-09 01:00:31,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:31,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:31,704 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:31,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:31,704 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:31,704 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:31,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:31,705 INFO L229 MonitoredProcess]: Starting monitored process 1768 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:31,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1768)] Waiting until timeout for monitored process [2024-11-09 01:00:31,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:31,936 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:31,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:31,975 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:31,976 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:32,092 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:32,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1768)] Ended with exit code 0 [2024-11-09 01:00:32,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:32,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:32,097 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:32,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:32,097 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:32,097 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:32,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:32,098 INFO L229 MonitoredProcess]: Starting monitored process 1769 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:32,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1769)] Waiting until timeout for monitored process [2024-11-09 01:00:32,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:32,329 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:32,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:32,360 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:32,361 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:32,481 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:32,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1769)] Forceful destruction successful, exit code 0 [2024-11-09 01:00:32,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:32,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:32,486 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:32,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:32,486 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:32,486 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:32,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:32,487 INFO L229 MonitoredProcess]: Starting monitored process 1770 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:32,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1770)] Waiting until timeout for monitored process [2024-11-09 01:00:32,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:32,804 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:32,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:32,843 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:32,844 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:32,986 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:32,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1770)] Ended with exit code 0 [2024-11-09 01:00:32,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:32,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:32,990 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:32,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:32,990 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:32,990 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:32,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:32,991 INFO L229 MonitoredProcess]: Starting monitored process 1771 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:32,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1771)] Waiting until timeout for monitored process [2024-11-09 01:00:33,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:33,221 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:33,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:33,293 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:33,294 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:33,417 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:33,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1771)] Ended with exit code 0 [2024-11-09 01:00:33,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:33,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:33,421 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:33,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:33,421 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:33,421 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:33,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:33,422 INFO L229 MonitoredProcess]: Starting monitored process 1772 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:33,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1772)] Waiting until timeout for monitored process [2024-11-09 01:00:33,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:33,650 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:33,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:33,686 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 01:00:33,687 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:33,912 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 01:00:33,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1772)] Ended with exit code 0 [2024-11-09 01:00:33,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:33,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:33,930 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:33,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:33,930 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:33,930 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:33,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:33,931 INFO L229 MonitoredProcess]: Starting monitored process 1773 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:33,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1773)] Waiting until timeout for monitored process [2024-11-09 01:00:34,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:34,159 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:34,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:34,220 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:34,220 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:34,337 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:34,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1773)] Forceful destruction successful, exit code 0 [2024-11-09 01:00:34,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:34,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:34,341 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:34,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:34,342 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:34,342 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:34,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:34,343 INFO L229 MonitoredProcess]: Starting monitored process 1774 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:34,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1774)] Waiting until timeout for monitored process [2024-11-09 01:00:34,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:34,573 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:34,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:34,606 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:34,606 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:34,728 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:34,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1774)] Ended with exit code 0 [2024-11-09 01:00:34,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:34,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:34,733 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:34,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:34,733 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:34,733 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:34,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:34,734 INFO L229 MonitoredProcess]: Starting monitored process 1775 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:34,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1775)] Waiting until timeout for monitored process [2024-11-09 01:00:34,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:34,965 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:34,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:34,999 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 01:00:35,000 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:35,248 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 01:00:35,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1775)] Ended with exit code 0 [2024-11-09 01:00:35,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:35,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:35,264 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:35,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:35,265 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:35,265 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:35,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:35,266 INFO L229 MonitoredProcess]: Starting monitored process 1776 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:35,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1776)] Waiting until timeout for monitored process [2024-11-09 01:00:35,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:35,494 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:35,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:35,527 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:35,528 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:35,653 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:35,656 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1776)] Forceful destruction successful, exit code 0 [2024-11-09 01:00:35,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:35,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:35,658 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:35,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:35,658 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:35,658 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:35,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:35,659 INFO L229 MonitoredProcess]: Starting monitored process 1777 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:35,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1777)] Waiting until timeout for monitored process [2024-11-09 01:00:35,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:35,887 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:35,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:35,919 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:35,919 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:36,039 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:36,042 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1777)] Forceful destruction successful, exit code 0 [2024-11-09 01:00:36,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:36,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:36,044 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:36,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:36,044 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:36,044 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:36,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:36,045 INFO L229 MonitoredProcess]: Starting monitored process 1778 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:36,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1778)] Waiting until timeout for monitored process [2024-11-09 01:00:36,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:36,284 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:36,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:36,339 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:36,340 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:36,476 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:36,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1778)] Forceful destruction successful, exit code 0 [2024-11-09 01:00:36,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:36,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:36,481 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:36,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:36,481 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:36,481 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:36,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:36,482 INFO L229 MonitoredProcess]: Starting monitored process 1779 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:36,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1779)] Waiting until timeout for monitored process [2024-11-09 01:00:36,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:36,715 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:36,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:36,759 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:36,760 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:36,876 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:36,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1779)] Ended with exit code 0 [2024-11-09 01:00:36,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:36,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:36,880 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:36,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:36,881 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:36,881 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:36,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:36,882 INFO L229 MonitoredProcess]: Starting monitored process 1780 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:36,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1780)] Waiting until timeout for monitored process [2024-11-09 01:00:37,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:37,108 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:37,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:37,173 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:37,174 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:37,293 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:37,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1780)] Ended with exit code 0 [2024-11-09 01:00:37,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:37,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:37,298 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:37,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:37,298 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:37,298 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:37,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:37,299 INFO L229 MonitoredProcess]: Starting monitored process 1781 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:37,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1781)] Waiting until timeout for monitored process [2024-11-09 01:00:37,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:37,518 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:37,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:37,553 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:37,554 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:37,692 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:37,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1781)] Ended with exit code 0 [2024-11-09 01:00:37,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:37,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:37,698 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:37,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:37,698 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:37,698 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:37,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:37,699 INFO L229 MonitoredProcess]: Starting monitored process 1782 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:37,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1782)] Waiting until timeout for monitored process [2024-11-09 01:00:37,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:37,925 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:37,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:37,954 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:37,955 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:38,090 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:38,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1782)] Ended with exit code 0 [2024-11-09 01:00:38,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:38,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:38,095 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:38,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:38,095 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:38,096 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:38,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:38,096 INFO L229 MonitoredProcess]: Starting monitored process 1783 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:38,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1783)] Waiting until timeout for monitored process [2024-11-09 01:00:38,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:38,329 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:38,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:38,394 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:38,395 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:38,510 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:38,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1783)] Forceful destruction successful, exit code 0 [2024-11-09 01:00:38,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:38,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:38,515 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:38,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:38,515 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:38,515 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:38,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:38,516 INFO L229 MonitoredProcess]: Starting monitored process 1784 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:38,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1784)] Waiting until timeout for monitored process [2024-11-09 01:00:38,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:38,748 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:38,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:38,787 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:38,788 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:38,903 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:38,906 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1784)] Forceful destruction successful, exit code 0 [2024-11-09 01:00:38,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:38,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:38,909 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:38,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:38,909 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:38,909 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:38,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:38,910 INFO L229 MonitoredProcess]: Starting monitored process 1785 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:38,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1785)] Waiting until timeout for monitored process [2024-11-09 01:00:39,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:39,142 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:39,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:39,177 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 01:00:39,178 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:39,407 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 01:00:39,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1785)] Forceful destruction successful, exit code 0 [2024-11-09 01:00:39,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:39,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:39,425 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:39,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:39,425 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:39,425 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:39,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:39,426 INFO L229 MonitoredProcess]: Starting monitored process 1786 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:39,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1786)] Waiting until timeout for monitored process [2024-11-09 01:00:39,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:39,656 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:39,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:39,714 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:39,715 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:39,822 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:39,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1786)] Ended with exit code 0 [2024-11-09 01:00:39,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:39,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:39,827 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:39,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:39,827 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:39,827 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:39,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:39,828 INFO L229 MonitoredProcess]: Starting monitored process 1787 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:39,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1787)] Waiting until timeout for monitored process [2024-11-09 01:00:40,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:40,072 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:40,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:40,138 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:40,138 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:40,263 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:40,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1787)] Ended with exit code 0 [2024-11-09 01:00:40,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:40,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:40,268 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:40,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:40,268 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:40,268 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:40,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:40,269 INFO L229 MonitoredProcess]: Starting monitored process 1788 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:40,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1788)] Waiting until timeout for monitored process [2024-11-09 01:00:40,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:40,501 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:40,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:40,534 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:40,535 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:40,652 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:40,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1788)] Ended with exit code 0 [2024-11-09 01:00:40,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:40,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:40,657 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:40,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:40,657 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:40,657 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:40,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:40,658 INFO L229 MonitoredProcess]: Starting monitored process 1789 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:40,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1789)] Waiting until timeout for monitored process [2024-11-09 01:00:40,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:40,929 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:40,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:40,985 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:40,986 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:41,113 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:41,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1789)] Ended with exit code 0 [2024-11-09 01:00:41,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:41,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:41,117 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:41,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:41,117 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:41,117 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:41,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:41,118 INFO L229 MonitoredProcess]: Starting monitored process 1790 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:41,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1790)] Waiting until timeout for monitored process [2024-11-09 01:00:41,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:41,354 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:41,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:41,383 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:41,384 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:41,505 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:41,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1790)] Ended with exit code 0 [2024-11-09 01:00:41,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:41,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:41,510 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:41,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:41,510 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:41,510 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:41,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:41,511 INFO L229 MonitoredProcess]: Starting monitored process 1791 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:41,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1791)] Waiting until timeout for monitored process [2024-11-09 01:00:41,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:41,749 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:41,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:41,784 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:41,785 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:41,903 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:41,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1791)] Ended with exit code 0 [2024-11-09 01:00:41,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:41,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:41,908 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:41,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:41,908 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:41,908 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:41,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:41,909 INFO L229 MonitoredProcess]: Starting monitored process 1792 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:41,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1792)] Waiting until timeout for monitored process [2024-11-09 01:00:42,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:42,138 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:42,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:42,192 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:42,193 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:42,306 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:42,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1792)] Forceful destruction successful, exit code 0 [2024-11-09 01:00:42,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:42,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:42,311 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:42,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:42,311 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:42,311 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:42,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:42,313 INFO L229 MonitoredProcess]: Starting monitored process 1793 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:42,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1793)] Waiting until timeout for monitored process [2024-11-09 01:00:42,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:42,546 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:42,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:42,593 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:42,594 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:42,714 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:42,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1793)] Ended with exit code 0 [2024-11-09 01:00:42,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:42,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:42,718 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:42,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:42,719 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:42,719 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:42,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:42,720 INFO L229 MonitoredProcess]: Starting monitored process 1794 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:42,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1794)] Waiting until timeout for monitored process [2024-11-09 01:00:42,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:42,948 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:42,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:42,998 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:42,998 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:43,120 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:43,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1794)] Ended with exit code 0 [2024-11-09 01:00:43,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:43,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:43,127 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:43,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:43,127 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:43,127 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:43,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:43,129 INFO L229 MonitoredProcess]: Starting monitored process 1795 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:43,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1795)] Waiting until timeout for monitored process [2024-11-09 01:00:43,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:43,453 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:43,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:43,488 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 01:00:43,489 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:43,780 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 01:00:43,782 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1795)] Ended with exit code 0 [2024-11-09 01:00:43,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:43,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:43,811 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:43,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:43,811 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:43,811 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:43,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:43,814 INFO L229 MonitoredProcess]: Starting monitored process 1796 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:43,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1796)] Waiting until timeout for monitored process [2024-11-09 01:00:44,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:44,091 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:44,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:44,124 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:44,125 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:44,235 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:44,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1796)] Forceful destruction successful, exit code 0 [2024-11-09 01:00:44,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:44,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:44,240 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:44,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:44,240 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:44,240 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:44,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:44,241 INFO L229 MonitoredProcess]: Starting monitored process 1797 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:44,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1797)] Waiting until timeout for monitored process [2024-11-09 01:00:44,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:44,468 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:44,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:44,513 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:44,513 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:44,649 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:44,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1797)] Forceful destruction successful, exit code 0 [2024-11-09 01:00:44,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:44,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:44,654 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:44,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:44,654 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:44,654 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:44,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:44,655 INFO L229 MonitoredProcess]: Starting monitored process 1798 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:44,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1798)] Waiting until timeout for monitored process [2024-11-09 01:00:44,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:44,906 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:44,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:44,937 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:44,938 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:45,057 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:45,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1798)] Forceful destruction successful, exit code 0 [2024-11-09 01:00:45,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:45,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:45,062 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:45,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:45,063 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:45,063 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:45,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:45,064 INFO L229 MonitoredProcess]: Starting monitored process 1799 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:45,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1799)] Waiting until timeout for monitored process [2024-11-09 01:00:45,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:45,295 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:45,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:45,327 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:45,328 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:45,447 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:45,449 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1799)] Forceful destruction successful, exit code 0 [2024-11-09 01:00:45,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:45,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:45,452 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:45,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:45,452 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:45,452 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:45,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:45,453 INFO L229 MonitoredProcess]: Starting monitored process 1800 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:45,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1800)] Waiting until timeout for monitored process [2024-11-09 01:00:45,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:45,685 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:45,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:45,728 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:45,729 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:45,849 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:45,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1800)] Ended with exit code 0 [2024-11-09 01:00:45,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:45,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:45,854 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:45,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:45,855 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:45,855 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:45,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:45,856 INFO L229 MonitoredProcess]: Starting monitored process 1801 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:45,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1801)] Waiting until timeout for monitored process [2024-11-09 01:00:46,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:46,086 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:46,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:46,130 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:46,131 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:46,252 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:46,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1801)] Ended with exit code 0 [2024-11-09 01:00:46,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:46,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:46,257 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:46,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:46,257 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:46,257 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:46,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:46,258 INFO L229 MonitoredProcess]: Starting monitored process 1802 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:46,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1802)] Waiting until timeout for monitored process [2024-11-09 01:00:46,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:46,491 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:46,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:46,552 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:46,552 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:46,677 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:46,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1802)] Forceful destruction successful, exit code 0 [2024-11-09 01:00:46,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:46,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:46,682 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:46,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:46,682 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:46,682 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:46,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:46,683 INFO L229 MonitoredProcess]: Starting monitored process 1803 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:46,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1803)] Waiting until timeout for monitored process [2024-11-09 01:00:46,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:46,925 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:46,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:46,984 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:46,985 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:47,099 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:47,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1803)] Forceful destruction successful, exit code 0 [2024-11-09 01:00:47,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:47,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:47,103 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:47,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:47,104 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:47,104 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:47,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:47,104 INFO L229 MonitoredProcess]: Starting monitored process 1804 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:47,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1804)] Waiting until timeout for monitored process [2024-11-09 01:00:47,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:47,340 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:47,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:47,400 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:47,401 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:47,520 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:47,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1804)] Forceful destruction successful, exit code 0 [2024-11-09 01:00:47,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:47,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:47,525 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:47,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:47,525 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:47,525 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:47,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:47,526 INFO L229 MonitoredProcess]: Starting monitored process 1805 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:47,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1805)] Waiting until timeout for monitored process [2024-11-09 01:00:47,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:47,765 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:47,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:47,796 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:47,796 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:47,939 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:47,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1805)] Forceful destruction successful, exit code 0 [2024-11-09 01:00:47,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:47,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:47,944 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:47,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:47,944 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:47,944 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:47,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:47,945 INFO L229 MonitoredProcess]: Starting monitored process 1806 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:47,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1806)] Waiting until timeout for monitored process [2024-11-09 01:00:48,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:48,181 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:48,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:48,214 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:48,215 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:48,337 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:48,340 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1806)] Forceful destruction successful, exit code 0 [2024-11-09 01:00:48,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:48,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:48,342 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:48,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:48,343 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:48,343 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:48,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:48,344 INFO L229 MonitoredProcess]: Starting monitored process 1807 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:48,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1807)] Waiting until timeout for monitored process [2024-11-09 01:00:48,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:48,581 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:48,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:48,612 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:48,613 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:48,734 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:48,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1807)] Ended with exit code 0 [2024-11-09 01:00:48,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:48,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:48,740 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:48,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:48,740 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:48,740 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:48,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:48,741 INFO L229 MonitoredProcess]: Starting monitored process 1808 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:48,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1808)] Waiting until timeout for monitored process [2024-11-09 01:00:48,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:48,985 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:49,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:49,015 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:49,016 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:49,146 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:49,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1808)] Ended with exit code 0 [2024-11-09 01:00:49,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:49,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:49,151 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:49,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:49,151 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:49,152 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:49,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:49,152 INFO L229 MonitoredProcess]: Starting monitored process 1809 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:49,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1809)] Waiting until timeout for monitored process [2024-11-09 01:00:49,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:49,402 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:49,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:49,437 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:49,438 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:49,584 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:49,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1809)] Ended with exit code 0 [2024-11-09 01:00:49,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:49,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:49,591 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:49,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:49,591 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:49,591 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:49,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:49,592 INFO L229 MonitoredProcess]: Starting monitored process 1810 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:49,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1810)] Waiting until timeout for monitored process [2024-11-09 01:00:49,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:49,857 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:49,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:49,899 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:49,900 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:50,073 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:50,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1810)] Forceful destruction successful, exit code 0 [2024-11-09 01:00:50,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:50,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:50,078 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:50,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:50,079 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:50,079 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:50,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:50,080 INFO L229 MonitoredProcess]: Starting monitored process 1811 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:50,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1811)] Waiting until timeout for monitored process [2024-11-09 01:00:50,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:50,377 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:50,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:50,421 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 01:00:50,422 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:50,723 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 01:00:50,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1811)] Ended with exit code 0 [2024-11-09 01:00:50,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:50,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:50,743 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:50,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:50,743 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:50,743 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:50,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:50,744 INFO L229 MonitoredProcess]: Starting monitored process 1812 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:50,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1812)] Waiting until timeout for monitored process [2024-11-09 01:00:51,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:51,073 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:51,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:51,119 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:51,120 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:51,284 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:51,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1812)] Forceful destruction successful, exit code 0 [2024-11-09 01:00:51,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:51,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:51,289 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:51,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:51,289 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:51,289 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:51,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:51,290 INFO L229 MonitoredProcess]: Starting monitored process 1813 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:51,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1813)] Waiting until timeout for monitored process [2024-11-09 01:00:51,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:51,603 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:51,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:51,643 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 01:00:51,644 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:51,905 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 01:00:51,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1813)] Forceful destruction successful, exit code 0 [2024-11-09 01:00:51,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:51,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:51,929 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:51,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:51,929 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:51,929 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:51,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:51,930 INFO L229 MonitoredProcess]: Starting monitored process 1814 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:51,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1814)] Waiting until timeout for monitored process [2024-11-09 01:00:52,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:52,189 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:52,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:52,286 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:52,287 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:52,422 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:52,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1814)] Forceful destruction successful, exit code 0 [2024-11-09 01:00:52,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:52,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:52,426 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:52,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:52,427 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:52,427 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:52,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:52,427 INFO L229 MonitoredProcess]: Starting monitored process 1815 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:52,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1815)] Waiting until timeout for monitored process [2024-11-09 01:00:52,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:52,667 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:52,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:52,722 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:52,723 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:52,842 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:52,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1815)] Ended with exit code 0 [2024-11-09 01:00:52,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:52,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:52,847 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:52,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:52,847 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:52,847 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:52,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:52,848 INFO L229 MonitoredProcess]: Starting monitored process 1816 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:52,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1816)] Waiting until timeout for monitored process [2024-11-09 01:00:53,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:53,106 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:53,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:53,143 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 01:00:53,144 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:53,383 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 01:00:53,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1816)] Forceful destruction successful, exit code 0 [2024-11-09 01:00:53,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:53,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:53,399 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:53,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:53,399 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:53,399 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:53,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:53,400 INFO L229 MonitoredProcess]: Starting monitored process 1817 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:53,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1817)] Waiting until timeout for monitored process [2024-11-09 01:00:53,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:53,642 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:53,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:53,724 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:53,725 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:53,930 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:53,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1817)] Ended with exit code 0 [2024-11-09 01:00:53,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:53,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:53,939 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:53,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:53,939 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:53,939 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:53,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:53,942 INFO L229 MonitoredProcess]: Starting monitored process 1818 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:53,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1818)] Waiting until timeout for monitored process [2024-11-09 01:00:54,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:54,246 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:54,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:54,288 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 01:00:54,289 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:54,544 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 01:00:54,548 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1818)] Ended with exit code 0 [2024-11-09 01:00:54,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:54,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:54,574 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:54,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:54,574 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:54,574 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:54,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:54,576 INFO L229 MonitoredProcess]: Starting monitored process 1819 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:54,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1819)] Waiting until timeout for monitored process [2024-11-09 01:00:54,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:54,846 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:54,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:54,892 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:54,892 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:55,016 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:55,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1819)] Forceful destruction successful, exit code 0 [2024-11-09 01:00:55,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:55,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:55,021 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:55,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:55,021 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:55,021 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:55,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:55,022 INFO L229 MonitoredProcess]: Starting monitored process 1820 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:55,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1820)] Waiting until timeout for monitored process [2024-11-09 01:00:55,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:55,269 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:55,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:55,336 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:00:55,337 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:55,477 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:00:55,480 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1820)] Forceful destruction successful, exit code 0 [2024-11-09 01:00:55,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:55,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-09 01:00:55,482 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-09 01:00:55,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 01:00:55,483 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:55,483 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:55,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:55,484 INFO L229 MonitoredProcess]: Starting monitored process 1821 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:55,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8f66a5b-be20-4437-a3e9-4edb2d4f13da/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (1821)] Waiting until timeout for monitored process