./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-72.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-72.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9 --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 473c6c098417e653140bb6e4cb3c44882ec0d7e6b7ae197524bf5de6070b7483 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:35:15,828 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:35:15,914 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 23:35:15,919 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:35:15,919 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:35:15,940 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:35:15,941 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:35:15,941 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:35:15,942 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:35:15,942 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:35:15,943 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:35:15,944 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:35:15,944 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:35:15,945 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:35:15,945 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:35:15,946 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:35:15,946 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:35:15,947 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:35:15,947 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:35:15,948 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:35:15,949 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:35:15,949 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:35:15,950 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:35:15,950 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:35:15,951 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:35:15,951 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:35:15,952 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:35:15,952 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:35:15,952 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:35:15,953 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:35:15,953 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:35:15,954 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:35:15,954 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:35:15,954 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_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 473c6c098417e653140bb6e4cb3c44882ec0d7e6b7ae197524bf5de6070b7483 [2023-12-02 23:35:16,162 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:35:16,196 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:35:16,199 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:35:16,200 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:35:16,204 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:35:16,207 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-72.i [2023-12-02 23:35:18,994 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:35:19,171 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:35:19,172 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-72.i [2023-12-02 23:35:19,181 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/data/d7bbbaab2/38eb60ec4f634364b7298d4aa2706658/FLAG64388d71b [2023-12-02 23:35:19,193 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/data/d7bbbaab2/38eb60ec4f634364b7298d4aa2706658 [2023-12-02 23:35:19,196 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:35:19,198 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:35:19,199 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:35:19,199 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:35:19,204 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:35:19,205 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:35:19" (1/1) ... [2023-12-02 23:35:19,206 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46103901 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:19, skipping insertion in model container [2023-12-02 23:35:19,206 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:35:19" (1/1) ... [2023-12-02 23:35:19,233 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:35:19,388 WARN L240 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_2a29e187-5154-44c6-b58b-672372202d95/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-72.i[915,928] [2023-12-02 23:35:19,417 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:35:19,429 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:35:19,442 WARN L240 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_2a29e187-5154-44c6-b58b-672372202d95/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-72.i[915,928] [2023-12-02 23:35:19,456 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:35:19,474 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:35:19,474 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:19 WrapperNode [2023-12-02 23:35:19,474 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:35:19,476 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:35:19,476 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:35:19,476 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:35:19,484 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:19" (1/1) ... [2023-12-02 23:35:19,491 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:19" (1/1) ... [2023-12-02 23:35:19,513 INFO L138 Inliner]: procedures = 26, calls = 26, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 83 [2023-12-02 23:35:19,514 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:35:19,515 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:35:19,515 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:35:19,515 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:35:19,525 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:19" (1/1) ... [2023-12-02 23:35:19,525 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:19" (1/1) ... [2023-12-02 23:35:19,527 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:19" (1/1) ... [2023-12-02 23:35:19,527 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:19" (1/1) ... [2023-12-02 23:35:19,533 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:19" (1/1) ... [2023-12-02 23:35:19,536 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:19" (1/1) ... [2023-12-02 23:35:19,537 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:19" (1/1) ... [2023-12-02 23:35:19,539 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:19" (1/1) ... [2023-12-02 23:35:19,541 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:35:19,542 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:35:19,542 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:35:19,542 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:35:19,543 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:19" (1/1) ... [2023-12-02 23:35:19,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:35:19,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:35:19,572 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:35:19,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:35:19,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:35:19,610 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 23:35:19,610 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 23:35:19,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:35:19,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:35:19,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:35:19,692 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:35:19,695 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:35:19,864 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:35:19,933 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:35:19,934 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 23:35:19,935 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:35:19 BoogieIcfgContainer [2023-12-02 23:35:19,936 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:35:19,937 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:35:19,937 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:35:19,958 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:35:19,959 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:35:19" (1/1) ... [2023-12-02 23:35:19,971 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:35:20,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:35:20,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 29 states and 42 transitions. [2023-12-02 23:35:20,055 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 42 transitions. [2023-12-02 23:35:20,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:35:20,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:35:20,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:35:20,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:35:20,281 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:35:20,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:35:20,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:35:20,480 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:35:20,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:35:20,552 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 23:35:20,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:35:20 ImpRootNode [2023-12-02 23:35:20,604 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:35:20,605 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:35:20,605 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:35:20,605 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:35:20,606 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:35:19" (3/4) ... [2023-12-02 23:35:20,608 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 23:35:20,609 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:35:20,610 INFO L158 Benchmark]: Toolchain (without parser) took 1412.17ms. Allocated memory is still 132.1MB. Free memory was 96.2MB in the beginning and 69.7MB in the end (delta: 26.5MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. [2023-12-02 23:35:20,611 INFO L158 Benchmark]: CDTParser took 2.13ms. Allocated memory is still 104.9MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:35:20,611 INFO L158 Benchmark]: CACSL2BoogieTranslator took 275.65ms. Allocated memory is still 132.1MB. Free memory was 96.2MB in the beginning and 84.9MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 23:35:20,612 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.37ms. Allocated memory is still 132.1MB. Free memory was 84.9MB in the beginning and 83.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:35:20,612 INFO L158 Benchmark]: Boogie Preprocessor took 26.59ms. Allocated memory is still 132.1MB. Free memory was 83.2MB in the beginning and 82.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:35:20,613 INFO L158 Benchmark]: RCFGBuilder took 393.77ms. Allocated memory is still 132.1MB. Free memory was 82.0MB in the beginning and 66.0MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 23:35:20,614 INFO L158 Benchmark]: CodeCheck took 667.43ms. Allocated memory is still 132.1MB. Free memory was 66.0MB in the beginning and 69.7MB in the end (delta: -3.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:35:20,614 INFO L158 Benchmark]: Witness Printer took 4.48ms. Allocated memory is still 132.1MB. Free memory is still 69.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:35:20,617 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, 29 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 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 someBinaryDOUBLEComparisonOperation at line 67, overapproximation of someUnaryDOUBLEoperation at line 31. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 4; [L23] unsigned long int var_1_3 = 3854620897; [L24] unsigned long int var_1_4 = 1; [L25] unsigned long int var_1_5 = 5; [L26] unsigned long int var_1_6 = 1934698459; [L27] unsigned long int var_1_7 = 1000000000; [L28] unsigned long int var_1_8 = 0; [L29] unsigned long int var_1_9 = 16; [L30] double var_1_10 = 31.375; [L31] double var_1_11 = -0.6; [L71] isInitial = 1 [L72] FCALL initially() [L73] COND TRUE 1 [L74] FCALL updateLastVariables() [L75] CALL updateVariables() [L43] var_1_3 = __VERIFIER_nondet_ulong() [L44] CALL assume_abort_if_not(var_1_3 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=1, var_1_5=5, var_1_6=1934698459, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L20] COND FALSE !(!cond) [L44] RET assume_abort_if_not(var_1_3 >= 2147483647) VAL [isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=1, var_1_5=5, var_1_6=1934698459, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L45] CALL assume_abort_if_not(var_1_3 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=1, var_1_5=5, var_1_6=1934698459, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L20] COND FALSE !(!cond) [L45] RET assume_abort_if_not(var_1_3 <= 4294967295) VAL [isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=1, var_1_5=5, var_1_6=1934698459, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L46] var_1_4 = __VERIFIER_nondet_ulong() [L47] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_5=5, var_1_6=1934698459, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L20] COND FALSE !(!cond) [L47] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_5=5, var_1_6=1934698459, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L48] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=0, var_1_5=5, var_1_6=1934698459, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L20] COND FALSE !(!cond) [L48] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=0, var_1_5=5, var_1_6=1934698459, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L49] var_1_5 = __VERIFIER_nondet_ulong() [L50] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=0, var_1_6=1934698459, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L20] COND FALSE !(!cond) [L50] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=0, var_1_6=1934698459, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L51] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=1934698459, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L20] COND FALSE !(!cond) [L51] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=1934698459, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L52] var_1_6 = __VERIFIER_nondet_ulong() [L53] CALL assume_abort_if_not(var_1_6 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L20] COND FALSE !(!cond) [L53] RET assume_abort_if_not(var_1_6 >= 1073741823) VAL [isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L54] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L20] COND FALSE !(!cond) [L54] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=1000000000, var_1_8=0, var_1_9=16] [L55] var_1_7 = __VERIFIER_nondet_ulong() [L56] CALL assume_abort_if_not(var_1_7 >= 536870911) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=0, var_1_9=16] [L20] COND FALSE !(!cond) [L56] RET assume_abort_if_not(var_1_7 >= 536870911) VAL [isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=0, var_1_9=16] [L57] CALL assume_abort_if_not(var_1_7 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=0, var_1_9=16] [L20] COND FALSE !(!cond) [L57] RET assume_abort_if_not(var_1_7 <= 1073741823) VAL [isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=0, var_1_9=16] [L58] var_1_8 = __VERIFIER_nondet_ulong() [L59] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_9=16] [L20] COND FALSE !(!cond) [L59] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_9=16] [L60] CALL assume_abort_if_not(var_1_8 <= 536870911) VAL [\old(cond)=1, isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=0, var_1_9=16] [L20] COND FALSE !(!cond) [L60] RET assume_abort_if_not(var_1_8 <= 536870911) VAL [isInitial=1, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=0, var_1_9=16] [L61] var_1_11 = __VERIFIER_nondet_double() [L62] 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, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=0, var_1_9=16] [L20] COND FALSE !(!cond) [L62] 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, var_1_10=251/8, var_1_1=4, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=0, var_1_9=16] [L75] RET updateVariables() [L76] CALL step() [L35] var_1_9 = var_1_7 [L36] var_1_10 = var_1_11 [L37] unsigned long int stepLocal_0 = var_1_9; [L38] COND FALSE !(stepLocal_0 >= (var_1_3 - ((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5))))) [L76] RET step() [L77] CALL, EXPR property() [L67-L68] return (((var_1_9 >= (var_1_3 - ((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5))))) ? (var_1_1 == ((unsigned long int) (var_1_4 + (var_1_6 - (var_1_7 - var_1_8))))) : 1) && (var_1_9 == ((unsigned long int) var_1_7))) && (var_1_10 == ((double) var_1_11)) ; [L77] RET, EXPR property() [L77] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=2, var_1_11=2, var_1_1=4, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=0, var_1_9=1073741823] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=2, var_1_11=2, var_1_1=4, var_1_3=4294967295, var_1_4=0, var_1_5=0, var_1_6=1073741823, var_1_7=1073741823, var_1_8=0, var_1_9=1073741823] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.13ms. Allocated memory is still 104.9MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 275.65ms. Allocated memory is still 132.1MB. Free memory was 96.2MB in the beginning and 84.9MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.37ms. Allocated memory is still 132.1MB. Free memory was 84.9MB in the beginning and 83.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.59ms. Allocated memory is still 132.1MB. Free memory was 83.2MB in the beginning and 82.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 393.77ms. Allocated memory is still 132.1MB. Free memory was 82.0MB in the beginning and 66.0MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 667.43ms. Allocated memory is still 132.1MB. Free memory was 66.0MB in the beginning and 69.7MB in the end (delta: -3.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.48ms. Allocated memory is still 132.1MB. Free memory is still 69.7MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 23:35:20,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-72.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9 --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 473c6c098417e653140bb6e4cb3c44882ec0d7e6b7ae197524bf5de6070b7483 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:35:22,647 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:35:22,723 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 23:35:22,756 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:35:22,757 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:35:22,757 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:35:22,758 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:35:22,759 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:35:22,759 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:35:22,760 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:35:22,761 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:35:22,761 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:35:22,762 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:35:22,762 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:35:22,763 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:35:22,763 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:35:22,764 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:35:22,764 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:35:22,765 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:35:22,765 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:35:22,766 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:35:22,766 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:35:22,767 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:35:22,767 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:35:22,768 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:35:22,768 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:35:22,769 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:35:22,769 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:35:22,770 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:35:22,770 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:35:22,771 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:35:22,771 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:35:22,772 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:35:22,772 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:35:22,772 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:35:22,772 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:35:22,773 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:35:22,773 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 473c6c098417e653140bb6e4cb3c44882ec0d7e6b7ae197524bf5de6070b7483 [2023-12-02 23:35:23,080 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:35:23,101 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:35:23,104 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:35:23,105 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:35:23,106 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:35:23,107 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-72.i [2023-12-02 23:35:25,916 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:35:26,116 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:35:26,117 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-72.i [2023-12-02 23:35:26,124 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/data/39986551d/8dcbee77ab304afa8e988e6baa782d00/FLAGf372394b3 [2023-12-02 23:35:26,136 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/data/39986551d/8dcbee77ab304afa8e988e6baa782d00 [2023-12-02 23:35:26,138 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:35:26,140 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:35:26,141 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:35:26,141 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:35:26,144 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:35:26,145 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:35:26" (1/1) ... [2023-12-02 23:35:26,146 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e903ef3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:26, skipping insertion in model container [2023-12-02 23:35:26,146 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:35:26" (1/1) ... [2023-12-02 23:35:26,172 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:35:26,326 WARN L240 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_2a29e187-5154-44c6-b58b-672372202d95/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-72.i[915,928] [2023-12-02 23:35:26,353 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:35:26,370 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:35:26,384 WARN L240 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_2a29e187-5154-44c6-b58b-672372202d95/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-72.i[915,928] [2023-12-02 23:35:26,396 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:35:26,415 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:35:26,416 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:26 WrapperNode [2023-12-02 23:35:26,416 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:35:26,417 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:35:26,417 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:35:26,418 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:35:26,425 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:26" (1/1) ... [2023-12-02 23:35:26,435 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:26" (1/1) ... [2023-12-02 23:35:26,459 INFO L138 Inliner]: procedures = 27, calls = 26, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 83 [2023-12-02 23:35:26,459 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:35:26,460 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:35:26,460 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:35:26,460 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:35:26,469 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:26" (1/1) ... [2023-12-02 23:35:26,469 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:26" (1/1) ... [2023-12-02 23:35:26,473 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:26" (1/1) ... [2023-12-02 23:35:26,473 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:26" (1/1) ... [2023-12-02 23:35:26,481 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:26" (1/1) ... [2023-12-02 23:35:26,485 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:26" (1/1) ... [2023-12-02 23:35:26,487 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:26" (1/1) ... [2023-12-02 23:35:26,489 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:26" (1/1) ... [2023-12-02 23:35:26,493 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:35:26,494 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:35:26,494 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:35:26,494 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:35:26,495 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:26" (1/1) ... [2023-12-02 23:35:26,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:35:26,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:35:26,525 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:35:26,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:35:26,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:35:26,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:35:26,562 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 23:35:26,563 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 23:35:26,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:35:26,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:35:26,649 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:35:26,651 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:35:26,830 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:35:26,886 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:35:26,886 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 23:35:26,888 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:35:26 BoogieIcfgContainer [2023-12-02 23:35:26,888 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:35:26,889 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:35:26,889 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:35:26,899 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:35:26,900 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:35:26" (1/1) ... [2023-12-02 23:35:26,909 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:35:26,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:35:26,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 29 states and 42 transitions. [2023-12-02 23:35:26,966 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 42 transitions. [2023-12-02 23:35:26,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:35:26,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:35:26,972 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:35:26,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:35:26,974 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:35:27,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 23:35:27,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:27,361 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:35:27,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:27,442 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:35:27,452 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:35:28,870 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:35:28,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 23:35:29,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:35:29,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:35:29,613 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:35:29,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:35:29,615 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:35:29,615 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:35:29,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:35:29,616 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:35:29,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 23:35:29,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:29,905 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:35:29,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:29,960 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:35:29,965 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:35:30,832 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:35:30,836 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 23:35:30,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:35:30,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:35:30,851 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:35:30,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:35:30,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:35:30,853 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:35:30,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:35:30,855 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:35:30,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 23:35:31,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:31,192 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:35:31,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:31,236 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:35:31,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:35:31,926 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:35:31,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 23:35:31,930 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 23:35:31,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:35:31,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:35:31,949 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:35:31,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:35:31,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:35:31,952 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:35:31,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:35:31,953 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:35:31,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 23:35:32,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:32,238 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:35:32,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:32,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:35:32,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:35:32,893 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:35:32,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 23:35:32,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:35:32,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:35:32,904 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:35:32,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:35:32,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:35:32,905 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:35:32,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:35:32,908 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:35:32,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 23:35:33,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:33,175 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:35:33,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:33,234 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:35:33,237 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:35:33,875 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:35:33,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-02 23:35:33,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:35:33,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:35:33,887 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:35:33,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:35:33,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:35:33,888 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:35:33,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:35:33,889 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:35:33,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 23:35:34,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:34,226 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:35:34,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:34,298 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:35:34,300 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:35:34,799 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:35:34,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 23:35:34,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:35:34,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:35:34,809 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:35:34,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:35:34,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:35:34,811 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:35:34,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:35:34,812 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:35:34,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-02 23:35:35,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:35,068 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:35:35,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:35,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:35:35,115 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:35:35,648 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:35:35,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-12-02 23:35:35,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:35:35,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:35:35,659 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:35:35,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:35:35,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:35:35,660 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:35:35,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:35:35,661 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:35:35,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-02 23:35:35,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:35,937 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:35:35,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:35,974 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:35:35,976 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:35:36,436 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:35:36,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-02 23:35:36,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:35:36,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:35:36,445 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:35:36,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:35:36,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:35:36,449 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:35:36,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:35:36,451 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:35:36,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-02 23:35:36,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:36,730 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:35:36,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:36,768 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:35:36,771 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:35:37,287 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:35:37,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-02 23:35:37,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:35:37,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:35:37,295 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:35:37,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:35:37,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:35:37,296 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:35:37,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:35:37,297 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:35:37,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-02 23:35:37,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:37,556 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:35:37,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:37,593 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:35:37,595 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:35:38,064 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:35:38,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-02 23:35:38,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:35:38,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:35:38,073 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:35:38,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:35:38,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:35:38,074 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:35:38,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:35:38,075 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:35:38,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-02 23:35:38,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:38,340 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:35:38,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:38,377 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:35:38,378 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:35:38,841 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:35:38,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-02 23:35:38,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:35:38,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:35:38,848 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:35:38,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:35:38,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:35:38,849 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:35:38,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:35:38,850 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:35:38,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-02 23:35:39,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:39,101 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:35:39,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:39,140 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:35:39,143 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:35:39,633 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:35:39,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2023-12-02 23:35:39,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:35:39,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:35:39,641 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:35:39,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:35:39,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:35:39,642 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:35:39,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:35:39,643 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:35:39,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-02 23:35:39,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:39,902 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:35:39,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:39,937 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:35:39,939 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:35:40,410 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:35:40,413 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2023-12-02 23:35:40,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:35:40,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:35:40,418 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:35:40,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:35:40,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:35:40,419 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:35:40,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:35:40,420 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:35:40,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-02 23:35:40,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:40,688 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:35:40,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:40,725 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:35:40,727 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:35:41,225 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:35:41,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-02 23:35:41,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:35:41,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:35:41,232 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:35:41,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:35:41,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:35:41,233 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:35:41,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:35:41,234 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:35:41,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-02 23:35:41,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:41,480 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:35:41,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:41,515 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:35:41,518 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:35:42,003 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:35:42,005 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-02 23:35:42,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:35:42,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:35:42,010 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:35:42,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:35:42,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:35:42,011 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:35:42,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:35:42,012 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:35:42,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-02 23:35:42,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:42,262 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:35:42,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:42,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:35:42,304 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:35:42,849 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:35:42,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-02 23:35:42,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:35:42,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:35:42,856 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:35:42,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:35:42,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:35:42,857 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:35:42,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:35:42,858 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:35:42,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-02 23:35:43,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:43,121 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:35:43,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:43,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:35:43,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:35:43,619 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:35:43,622 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-02 23:35:43,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:35:43,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:35:43,627 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:35:43,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:35:43,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:35:43,627 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:35:43,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:35:43,628 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:35:43,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-02 23:35:43,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:43,874 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:35:43,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:43,912 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:35:43,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:35:44,407 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:35:44,410 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-02 23:35:44,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:35:44,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:35:44,417 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:35:44,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:35:44,418 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:35:44,418 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:35:44,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:35:44,419 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:35:44,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-02 23:35:44,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:44,671 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:35:44,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:44,710 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:35:44,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:35:45,235 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:35:45,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-02 23:35:45,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:35:45,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:35:45,242 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:35:45,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:35:45,243 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:35:45,243 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:35:45,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:35:45,244 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:35:45,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-02 23:35:45,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:45,513 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:35:45,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:45,549 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:35:45,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:35:46,016 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:35:46,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-02 23:35:46,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:35:46,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:35:46,023 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:35:46,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:35:46,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:35:46,024 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:35:46,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:35:46,025 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:35:46,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-02 23:35:46,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:46,270 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:35:46,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:46,306 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:35:46,308 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:35:46,758 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:35:46,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-02 23:35:46,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:35:46,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:35:46,764 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:35:46,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:35:46,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:35:46,765 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:35:46,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:35:46,766 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:35:46,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-02 23:35:47,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:47,014 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:35:47,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:47,046 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:35:47,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:35:47,514 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:35:47,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-02 23:35:47,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:35:47,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:35:47,519 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:35:47,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:35:47,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:35:47,520 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:35:47,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:35:47,521 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:35:47,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-02 23:35:47,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:47,775 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:35:47,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:47,806 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:35:47,808 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:35:48,271 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:35:48,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-02 23:35:48,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:35:48,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:35:48,277 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:35:48,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:35:48,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:35:48,278 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:35:48,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:35:48,279 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:35:48,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-02 23:35:48,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:48,533 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:35:48,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:48,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:35:48,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:35:49,054 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:35:49,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-02 23:35:49,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:35:49,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:35:49,060 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:35:49,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:35:49,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:35:49,061 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:35:49,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:35:49,062 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:35:49,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-02 23:35:49,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:49,308 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:35:49,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:49,344 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:35:49,345 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:35:49,808 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:35:49,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-02 23:35:49,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:35:49,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:35:49,814 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:35:49,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:35:49,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:35:49,814 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:35:49,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:35:49,815 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:35:49,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-02 23:35:50,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:50,062 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:35:50,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:50,096 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:35:50,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:35:50,564 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:35:50,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-02 23:35:50,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:35:50,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:35:50,570 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:35:50,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:35:50,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:35:50,571 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:35:50,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:35:50,572 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:35:50,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-02 23:35:50,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:50,834 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:35:50,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:50,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:35:50,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:35:51,326 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:35:51,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Forceful destruction successful, exit code 0 [2023-12-02 23:35:51,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:35:51,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:35:51,332 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:35:51,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:35:51,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:35:51,333 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:35:51,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:35:51,334 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:35:51,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-02 23:35:51,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:51,590 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:35:51,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:51,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:35:51,629 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:35:52,119 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:35:52,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-02 23:35:52,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:35:52,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:35:52,124 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:35:52,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:35:52,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:35:52,125 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:35:52,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:35:52,126 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:35:52,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-02 23:35:52,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:52,379 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:35:52,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:52,412 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:35:52,413 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:35:52,922 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:35:52,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-02 23:35:52,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:35:52,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:35:52,927 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:35:52,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:35:52,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:35:52,928 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:35:52,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:35:52,929 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:35:52,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-02 23:35:53,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:53,195 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:35:53,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:53,230 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:35:53,232 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:35:53,729 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:35:53,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-02 23:35:53,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:35:53,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:35:53,736 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:35:53,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:35:53,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:35:53,736 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:35:53,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:35:53,737 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:35:53,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-02 23:35:54,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:54,009 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:35:54,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:54,055 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:35:54,057 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:35:54,584 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:35:54,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-02 23:35:54,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:35:54,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:35:54,590 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:35:54,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:35:54,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:35:54,591 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:35:54,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:35:54,592 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:35:54,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-02 23:35:54,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:54,862 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:35:54,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:54,898 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:35:54,900 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:35:55,499 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:35:55,502 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-02 23:35:55,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:35:55,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:35:55,505 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:35:55,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:35:55,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:35:55,505 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:35:55,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:35:55,506 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:35:55,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-02 23:35:55,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:55,773 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:35:55,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:55,811 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:35:55,812 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:35:56,309 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:35:56,311 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-02 23:35:56,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:35:56,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:35:56,314 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:35:56,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:35:56,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:35:56,315 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:35:56,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:35:56,315 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:35:56,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-02 23:35:56,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:56,555 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:35:56,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:56,588 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:35:56,590 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:35:57,079 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:35:57,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-02 23:35:57,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:35:57,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:35:57,084 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:35:57,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:35:57,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:35:57,084 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:35:57,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:35:57,085 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:35:57,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-02 23:35:57,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:57,318 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:35:57,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:57,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:35:57,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:35:57,821 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:35:57,824 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Forceful destruction successful, exit code 0 [2023-12-02 23:35:57,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:35:57,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:35:57,827 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:35:57,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:35:57,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:35:57,828 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:35:57,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:35:57,829 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:35:57,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-02 23:35:58,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:58,070 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:35:58,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:58,107 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:35:58,108 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:35:58,581 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:35:58,584 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-02 23:35:58,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:35:58,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:35:58,586 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:35:58,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:35:58,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:35:58,587 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:35:58,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:35:58,588 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:35:58,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-02 23:35:58,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:58,860 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:35:58,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:58,896 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:35:58,897 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:35:59,457 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:35:59,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-02 23:35:59,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:35:59,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:35:59,464 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:35:59,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:35:59,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:35:59,464 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:35:59,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:35:59,465 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:35:59,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-02 23:35:59,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:59,726 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:35:59,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:35:59,763 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:35:59,764 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:00,279 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:00,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-02 23:36:00,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:00,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:00,285 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:00,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:00,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:00,286 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:00,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:00,286 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:00,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-02 23:36:00,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:00,558 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:00,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:00,596 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:00,597 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:01,117 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:01,120 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-02 23:36:01,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:01,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:01,123 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:01,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:01,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:01,124 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:01,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:01,125 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:01,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-02 23:36:01,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:01,400 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:01,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:01,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:01,436 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:01,966 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:01,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-02 23:36:01,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:01,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:01,972 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:01,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:01,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:01,973 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:01,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:01,974 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:01,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-02 23:36:02,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:02,256 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:02,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:02,296 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:02,298 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:02,828 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:02,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-02 23:36:02,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:02,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:02,835 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:02,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:02,835 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:02,836 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:02,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:02,837 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:02,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-02 23:36:03,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:03,110 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:03,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:03,148 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:03,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:03,664 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:03,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-02 23:36:03,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:03,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:03,669 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:03,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:03,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:03,670 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:03,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:03,671 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:03,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-02 23:36:03,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:03,946 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:03,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:03,981 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:03,982 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:04,509 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:04,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-02 23:36:04,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:04,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:04,515 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:04,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:04,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:04,516 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:04,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:04,517 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:04,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-02 23:36:04,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:04,790 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:04,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:04,831 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:04,832 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:05,353 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:05,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-02 23:36:05,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:05,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:05,360 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:05,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:05,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:05,360 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:05,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:05,361 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:05,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-02 23:36:05,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:05,638 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:05,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:05,674 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:05,675 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:06,180 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:06,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Forceful destruction successful, exit code 0 [2023-12-02 23:36:06,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:06,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:06,186 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:06,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:06,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:06,186 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:06,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:06,187 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:06,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-02 23:36:06,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:06,466 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:06,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:06,501 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:06,502 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:07,013 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:07,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-02 23:36:07,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:07,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:07,019 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:07,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:07,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:07,019 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:07,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:07,020 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:07,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-02 23:36:07,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:07,313 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:07,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:07,347 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:07,348 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:07,865 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:07,868 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-02 23:36:07,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:07,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:07,871 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:07,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:07,872 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:07,872 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:07,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:07,873 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:07,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-02 23:36:08,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:08,142 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:08,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:08,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:08,180 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:08,684 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:08,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Forceful destruction successful, exit code 0 [2023-12-02 23:36:08,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:08,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:08,690 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:08,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:08,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:08,690 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:08,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:08,691 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:08,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-02 23:36:08,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:08,964 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:08,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:09,002 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:09,003 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:09,498 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:09,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Forceful destruction successful, exit code 0 [2023-12-02 23:36:09,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:09,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:09,504 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:09,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:09,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:09,505 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:09,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:09,506 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:09,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-02 23:36:09,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:09,766 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:09,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:09,803 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:09,804 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:10,317 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:10,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-02 23:36:10,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:10,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:10,322 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:10,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:10,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:10,323 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:10,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:10,324 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:10,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-02 23:36:10,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:10,569 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:10,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:10,603 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:10,604 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:11,108 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:11,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-02 23:36:11,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:11,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:11,114 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:11,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:11,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:11,114 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:11,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:11,115 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:11,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-02 23:36:11,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:11,388 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:11,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:11,426 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:11,427 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:11,935 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:11,937 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Forceful destruction successful, exit code 0 [2023-12-02 23:36:11,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:11,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:11,940 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:11,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:11,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:11,940 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:11,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:11,941 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:11,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-02 23:36:12,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:12,192 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:12,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:12,231 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:12,233 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:12,748 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:12,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Forceful destruction successful, exit code 0 [2023-12-02 23:36:12,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:12,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:12,754 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:12,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:12,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:12,754 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:12,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:12,755 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:12,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-02 23:36:13,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:13,034 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:13,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:13,072 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:13,074 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:13,564 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:13,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-02 23:36:13,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:13,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:13,571 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:13,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:13,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:13,571 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:13,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:13,572 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:13,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-02 23:36:13,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:13,829 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:13,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:13,866 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:13,868 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:14,410 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:14,413 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Forceful destruction successful, exit code 0 [2023-12-02 23:36:14,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:14,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:14,415 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:14,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:14,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:14,416 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:14,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:14,417 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:14,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-02 23:36:14,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:14,709 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:14,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:14,745 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:14,747 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:15,222 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:15,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-02 23:36:15,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:15,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:15,227 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:15,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:15,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:15,228 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:15,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:15,229 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:15,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-02 23:36:15,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:15,480 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:15,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:15,521 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:15,523 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:16,032 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:16,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Forceful destruction successful, exit code 0 [2023-12-02 23:36:16,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:16,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:16,038 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:16,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:16,038 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:16,039 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:16,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:16,039 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:16,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-02 23:36:16,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:16,306 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:16,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:16,346 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:16,347 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:16,840 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:16,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Forceful destruction successful, exit code 0 [2023-12-02 23:36:16,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:16,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:16,845 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:16,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:16,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:16,845 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:16,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:16,846 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:16,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-02 23:36:17,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:17,100 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:17,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:17,139 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:17,141 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:17,636 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:17,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2023-12-02 23:36:17,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:17,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:17,641 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:17,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:17,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:17,641 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:17,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:17,642 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:17,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-02 23:36:17,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:17,897 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:17,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:17,933 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:17,934 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:18,452 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:18,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2023-12-02 23:36:18,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:18,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:18,458 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:18,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:18,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:18,459 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:18,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:18,460 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:18,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-02 23:36:18,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:18,727 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:18,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:18,766 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:18,768 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:19,265 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:19,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2023-12-02 23:36:19,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:19,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:19,271 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:19,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:19,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:19,272 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:19,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:19,273 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:19,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-02 23:36:19,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:19,588 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:19,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:19,632 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:19,633 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:20,118 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:20,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2023-12-02 23:36:20,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:20,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:20,123 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:20,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:20,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:20,124 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:20,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:20,125 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:20,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-02 23:36:20,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:20,378 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:20,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:20,414 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:20,415 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:20,938 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:20,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2023-12-02 23:36:20,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:20,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:20,943 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:20,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:20,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:20,944 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:20,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:20,945 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:20,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2023-12-02 23:36:21,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:21,204 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:21,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:21,240 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:21,241 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:21,730 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:21,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2023-12-02 23:36:21,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:21,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:21,736 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:21,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:21,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:21,736 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:21,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:21,737 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:21,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-12-02 23:36:21,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:21,984 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:22,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:22,021 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:22,022 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:22,554 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:22,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Forceful destruction successful, exit code 0 [2023-12-02 23:36:22,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:22,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:22,560 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:22,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:22,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:22,560 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:22,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:22,561 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:22,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2023-12-02 23:36:22,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:22,816 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:22,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:22,850 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:22,851 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:23,327 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:23,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Forceful destruction successful, exit code 0 [2023-12-02 23:36:23,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:23,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:23,332 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:23,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:23,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:23,332 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:23,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:23,333 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:23,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2023-12-02 23:36:23,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:23,582 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:23,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:23,623 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:23,625 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:24,104 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:24,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2023-12-02 23:36:24,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:24,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:24,110 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:24,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:24,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:24,110 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:24,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:24,111 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:24,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2023-12-02 23:36:24,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:24,367 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:24,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:24,404 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:24,405 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:24,884 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:24,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2023-12-02 23:36:24,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:24,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:24,890 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:24,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:24,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:24,890 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:24,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:24,891 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:24,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2023-12-02 23:36:25,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:25,140 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:25,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:25,177 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:25,178 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:25,652 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:25,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2023-12-02 23:36:25,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:25,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:25,658 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:25,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:25,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:25,658 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:25,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:25,659 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:25,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2023-12-02 23:36:25,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:25,917 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:25,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:25,955 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:25,956 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:26,414 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:26,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2023-12-02 23:36:26,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:26,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:26,419 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:26,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:26,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:26,419 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:26,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:26,420 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:26,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2023-12-02 23:36:26,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:26,665 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:26,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:26,699 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:26,701 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:27,182 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:27,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2023-12-02 23:36:27,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:27,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:27,187 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:27,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:27,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:27,188 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:27,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:27,189 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:27,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2023-12-02 23:36:27,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:27,448 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:27,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:27,481 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:27,483 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:27,983 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:27,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Forceful destruction successful, exit code 0 [2023-12-02 23:36:27,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:27,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:27,988 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:27,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:27,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:27,988 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:27,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:27,989 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:27,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2023-12-02 23:36:28,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:28,246 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:28,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:28,283 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:28,285 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:28,853 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:28,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Forceful destruction successful, exit code 0 [2023-12-02 23:36:28,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:28,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:28,859 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:28,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:28,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:28,859 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:28,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:28,860 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:28,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2023-12-02 23:36:29,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:29,118 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:29,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:29,159 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:29,160 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:29,666 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:29,668 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2023-12-02 23:36:29,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:29,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:29,671 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:29,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:29,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:29,671 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:29,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:29,672 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:29,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2023-12-02 23:36:29,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:29,927 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:29,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:29,967 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:29,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:30,455 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:30,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2023-12-02 23:36:30,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:30,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:30,461 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:30,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:30,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:30,462 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:30,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:30,462 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:30,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2023-12-02 23:36:30,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:30,710 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:30,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:30,756 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:30,757 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:31,259 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:31,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2023-12-02 23:36:31,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:31,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:31,264 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:31,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:31,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:31,264 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:31,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:31,265 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:31,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2023-12-02 23:36:31,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:31,524 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:31,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:31,561 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:31,563 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:32,061 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:32,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Forceful destruction successful, exit code 0 [2023-12-02 23:36:32,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:32,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:32,066 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:32,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:32,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:32,066 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:32,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:32,067 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:32,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2023-12-02 23:36:32,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:32,325 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:32,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:32,362 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:32,363 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:32,859 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:32,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2023-12-02 23:36:32,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:32,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:32,864 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:32,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:32,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:32,864 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:32,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:32,865 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:32,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2023-12-02 23:36:33,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:33,120 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:33,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:33,153 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:33,154 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:33,654 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:33,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Forceful destruction successful, exit code 0 [2023-12-02 23:36:33,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:33,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:33,660 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:33,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:33,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:33,661 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:33,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:33,661 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:33,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2023-12-02 23:36:33,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:33,915 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:33,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:33,948 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:33,950 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:34,435 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:34,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2023-12-02 23:36:34,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:34,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:34,440 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:34,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:34,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:34,440 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:34,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:34,441 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:34,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2023-12-02 23:36:34,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:34,696 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:34,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:34,731 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:34,732 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:35,198 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:35,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2023-12-02 23:36:35,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:35,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:35,204 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:35,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:35,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:35,204 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:35,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:35,206 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:35,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2023-12-02 23:36:35,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:35,456 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:35,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:35,489 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:35,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:36,027 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:36,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2023-12-02 23:36:36,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:36,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:36,033 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:36,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:36,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:36,033 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:36,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:36,034 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:36,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2023-12-02 23:36:36,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:36,296 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:36,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:36,331 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:36,332 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:36,908 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:36,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2023-12-02 23:36:36,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:36,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:36,913 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:36,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:36,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:36,913 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:36,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:36,914 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:36,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2023-12-02 23:36:37,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:37,182 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:37,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:37,219 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:37,220 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:37,740 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:37,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2023-12-02 23:36:37,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:37,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:37,746 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:37,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:37,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:37,746 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:37,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:37,747 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:37,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2023-12-02 23:36:38,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:38,019 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:38,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:38,053 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:38,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:38,575 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:38,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2023-12-02 23:36:38,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:38,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:38,580 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:38,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:38,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:38,580 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:38,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:38,581 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:38,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2023-12-02 23:36:38,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:38,852 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:38,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:38,889 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:38,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:39,379 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:39,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2023-12-02 23:36:39,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:39,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:39,385 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:39,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:39,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:39,386 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:39,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:39,386 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:39,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2023-12-02 23:36:39,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:39,633 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:39,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:39,811 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:39,812 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:40,292 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:40,294 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Forceful destruction successful, exit code 0 [2023-12-02 23:36:40,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:40,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:40,297 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:40,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:40,297 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:40,297 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:40,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:40,298 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:40,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2023-12-02 23:36:40,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:40,533 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:40,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:40,568 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:40,569 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:41,058 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:41,060 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2023-12-02 23:36:41,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:41,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:41,063 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:41,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:41,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:41,063 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:41,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:41,064 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:41,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2023-12-02 23:36:41,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:41,340 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:41,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:41,375 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:41,377 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:41,894 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:41,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2023-12-02 23:36:41,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:41,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:41,899 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:41,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:41,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:41,900 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:41,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:41,901 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:41,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2023-12-02 23:36:42,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:42,293 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:42,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:42,333 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:42,335 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:42,917 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:42,920 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2023-12-02 23:36:42,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:42,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:42,922 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:42,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:42,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:42,923 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:42,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:42,924 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:42,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2023-12-02 23:36:43,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:43,197 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:43,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:43,232 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:43,234 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:43,745 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:43,748 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2023-12-02 23:36:43,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:43,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:43,751 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:43,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:43,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:43,751 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:43,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:43,752 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:43,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2023-12-02 23:36:44,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:44,026 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:44,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:44,063 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:44,064 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:44,571 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:44,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Forceful destruction successful, exit code 0 [2023-12-02 23:36:44,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:44,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:44,576 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:44,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:44,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:44,577 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:44,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:44,577 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:44,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2023-12-02 23:36:44,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:44,851 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:44,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:44,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:44,886 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:45,386 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:45,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2023-12-02 23:36:45,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:45,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:45,392 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:45,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:45,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:45,392 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:45,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:45,393 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:45,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2023-12-02 23:36:45,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:45,657 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:45,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:45,693 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:45,695 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:46,220 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:46,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2023-12-02 23:36:46,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:46,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:46,225 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:46,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:46,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:46,226 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:46,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:46,226 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:46,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2023-12-02 23:36:46,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:46,487 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:46,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:46,525 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:46,527 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:47,049 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:47,051 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2023-12-02 23:36:47,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:47,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:47,054 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:47,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:47,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:47,054 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:47,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:47,055 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:47,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2023-12-02 23:36:47,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:47,319 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:47,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:47,359 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:47,360 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:47,842 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:47,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2023-12-02 23:36:47,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:47,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:47,848 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:47,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:47,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:47,848 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:47,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:47,849 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:47,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2023-12-02 23:36:48,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:48,119 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:48,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:48,157 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:48,158 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:48,652 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:48,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2023-12-02 23:36:48,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:48,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:48,657 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:48,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:48,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:48,658 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:48,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:48,659 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:48,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2023-12-02 23:36:48,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:48,926 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:48,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:48,960 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:48,961 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:49,444 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:49,447 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2023-12-02 23:36:49,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:49,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:49,450 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:49,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:49,450 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:49,451 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:49,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:49,451 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:49,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2023-12-02 23:36:49,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:49,706 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:49,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:49,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:49,748 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:50,256 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:50,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2023-12-02 23:36:50,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:50,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:50,262 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:50,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:50,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:50,263 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:50,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:50,264 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:50,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2023-12-02 23:36:50,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:50,520 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:50,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:50,557 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:50,558 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:51,064 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:51,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2023-12-02 23:36:51,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:51,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:51,070 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:51,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:51,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:51,070 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:51,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:51,071 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:51,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2023-12-02 23:36:51,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:51,319 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:51,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:51,359 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:51,360 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:51,859 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:51,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2023-12-02 23:36:51,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:51,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:51,864 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:51,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:51,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:51,864 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:51,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:51,865 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:51,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2023-12-02 23:36:52,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:52,109 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:52,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:52,143 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:52,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:52,656 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:52,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2023-12-02 23:36:52,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:52,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:52,661 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:52,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:52,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:52,662 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:52,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:52,663 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:52,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2023-12-02 23:36:52,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:52,930 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:52,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:52,965 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:52,966 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:53,458 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:53,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2023-12-02 23:36:53,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:53,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:53,463 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:53,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:53,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:53,463 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:53,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:53,464 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:53,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2023-12-02 23:36:53,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:53,713 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:53,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:53,750 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:53,751 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:54,293 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:54,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2023-12-02 23:36:54,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:54,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:54,299 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:54,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:54,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:54,300 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:54,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:54,300 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:54,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2023-12-02 23:36:54,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:54,552 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:54,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:54,589 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:54,590 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:55,096 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:55,099 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2023-12-02 23:36:55,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:55,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:55,103 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:55,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:55,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:55,104 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:55,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:55,105 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:55,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2023-12-02 23:36:55,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:55,381 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:55,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:55,417 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:55,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:55,916 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:55,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2023-12-02 23:36:55,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:55,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:55,921 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:55,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:55,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:55,921 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:55,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:55,922 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:55,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2023-12-02 23:36:56,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:56,174 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:56,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:56,209 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:56,210 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:56,742 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:56,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Forceful destruction successful, exit code 0 [2023-12-02 23:36:56,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:56,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:56,747 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:56,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:56,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:56,747 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:56,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:56,748 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:56,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2023-12-02 23:36:57,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:57,020 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:57,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:57,056 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:57,057 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:57,590 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:57,592 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Forceful destruction successful, exit code 0 [2023-12-02 23:36:57,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:57,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:57,595 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:57,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:57,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:57,596 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:57,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:57,596 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:57,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2023-12-02 23:36:57,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:57,845 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:57,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:57,887 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:57,889 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:58,380 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:58,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2023-12-02 23:36:58,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:58,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:58,385 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:58,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:58,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:58,385 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:58,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:58,386 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:58,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2023-12-02 23:36:58,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:58,647 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:58,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:58,687 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:58,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:59,198 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:36:59,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2023-12-02 23:36:59,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:59,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:36:59,205 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:36:59,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:36:59,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:59,205 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:36:59,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:36:59,206 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:36:59,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2023-12-02 23:36:59,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:59,471 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:36:59,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:59,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:36:59,512 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:00,015 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:00,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2023-12-02 23:37:00,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:00,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:00,021 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:00,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:00,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:00,022 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:00,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:00,023 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:00,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2023-12-02 23:37:00,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:00,286 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:00,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:00,320 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:00,321 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:00,801 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:00,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2023-12-02 23:37:00,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:00,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:00,807 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:00,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:00,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:00,807 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:00,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:00,808 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:00,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2023-12-02 23:37:01,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:01,068 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:01,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:01,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:01,103 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:01,629 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:01,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Forceful destruction successful, exit code 0 [2023-12-02 23:37:01,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:01,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:01,634 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:01,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:01,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:01,634 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:01,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:01,635 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:01,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2023-12-02 23:37:01,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:01,902 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:01,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:01,940 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:01,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:02,445 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:02,447 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Ended with exit code 0 [2023-12-02 23:37:02,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:02,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:02,450 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:02,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:02,450 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:02,450 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:02,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:02,451 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:02,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2023-12-02 23:37:02,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:02,702 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:02,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:02,739 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:02,740 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:03,252 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:03,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2023-12-02 23:37:03,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:03,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:03,257 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:03,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:03,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:03,258 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:03,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:03,258 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:03,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2023-12-02 23:37:03,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:03,517 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:03,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:03,555 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:03,556 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:04,041 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:04,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Ended with exit code 0 [2023-12-02 23:37:04,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:04,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:04,045 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:04,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:04,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:04,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:04,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:04,046 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:04,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2023-12-02 23:37:04,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:04,306 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:04,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:04,340 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:04,341 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:04,844 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:04,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2023-12-02 23:37:04,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:04,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:04,849 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:04,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:04,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:04,850 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:04,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:04,851 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:04,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2023-12-02 23:37:05,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:05,131 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:05,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:05,168 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:05,169 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:05,696 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:05,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Ended with exit code 0 [2023-12-02 23:37:05,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:05,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:05,701 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:05,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:05,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:05,702 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:05,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:05,702 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:05,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2023-12-02 23:37:05,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:05,934 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:05,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:05,966 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:05,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:06,447 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:06,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Ended with exit code 0 [2023-12-02 23:37:06,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:06,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:06,452 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:06,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:06,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:06,452 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:06,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:06,453 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:06,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2023-12-02 23:37:06,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:06,722 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:06,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:06,761 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:06,762 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:07,308 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:07,311 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Ended with exit code 0 [2023-12-02 23:37:07,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:07,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:07,314 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:07,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:07,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:07,314 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:07,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:07,315 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:07,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2023-12-02 23:37:07,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:07,579 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:07,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:07,619 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:07,620 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:08,175 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:08,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Ended with exit code 0 [2023-12-02 23:37:08,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:08,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:08,181 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:08,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:08,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:08,181 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:08,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:08,182 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:08,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2023-12-02 23:37:08,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:08,462 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:08,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:08,502 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:08,503 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:09,061 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:09,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Forceful destruction successful, exit code 0 [2023-12-02 23:37:09,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:09,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:09,067 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:09,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:09,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:09,067 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:09,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:09,068 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:09,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2023-12-02 23:37:09,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:09,343 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:09,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:09,386 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:09,387 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:09,948 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:09,951 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2023-12-02 23:37:09,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:09,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:09,953 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:09,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:09,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:09,954 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:09,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:09,955 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:09,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2023-12-02 23:37:10,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:10,223 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:10,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:10,261 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:10,262 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:10,845 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:10,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Ended with exit code 0 [2023-12-02 23:37:10,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:10,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:10,850 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:10,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:10,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:10,851 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:10,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:10,852 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:10,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2023-12-02 23:37:11,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:11,132 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:11,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:11,178 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:11,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:11,733 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:11,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Ended with exit code 0 [2023-12-02 23:37:11,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:11,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:11,740 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:11,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:11,740 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:11,740 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:11,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:11,741 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:11,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2023-12-02 23:37:12,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:12,075 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:12,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:12,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:12,114 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:12,693 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:12,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Ended with exit code 0 [2023-12-02 23:37:12,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:12,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:12,698 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:12,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:12,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:12,698 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:12,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:12,699 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:12,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2023-12-02 23:37:12,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:12,950 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:12,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:12,984 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:12,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:13,502 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:13,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Ended with exit code 0 [2023-12-02 23:37:13,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:13,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:13,507 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:13,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:13,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:13,508 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:13,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:13,509 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:13,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2023-12-02 23:37:13,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:13,785 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:13,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:13,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:13,828 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:14,369 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:14,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Ended with exit code 0 [2023-12-02 23:37:14,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:14,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:14,375 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:14,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:14,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:14,376 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:14,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:14,377 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:14,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2023-12-02 23:37:14,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:14,659 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:14,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:14,698 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:14,699 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:15,243 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:15,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Ended with exit code 0 [2023-12-02 23:37:15,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:15,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:15,248 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:15,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:15,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:15,249 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:15,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:15,249 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:15,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2023-12-02 23:37:15,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:15,539 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:15,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:15,583 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:15,584 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:16,141 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:16,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Forceful destruction successful, exit code 0 [2023-12-02 23:37:16,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:16,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:16,147 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:16,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:16,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:16,147 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:16,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:16,148 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:16,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2023-12-02 23:37:16,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:16,437 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:16,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:16,476 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:16,477 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:17,104 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:17,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Ended with exit code 0 [2023-12-02 23:37:17,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:17,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:17,111 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:17,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:17,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:17,111 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:17,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:17,112 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:17,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2023-12-02 23:37:17,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:17,391 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:17,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:17,429 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:17,430 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:18,040 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:18,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Ended with exit code 0 [2023-12-02 23:37:18,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:18,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:18,045 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:18,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:18,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:18,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:18,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:18,047 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:18,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2023-12-02 23:37:18,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:18,333 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:18,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:18,373 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:18,374 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:18,909 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:18,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2023-12-02 23:37:18,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:18,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:18,913 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:18,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:18,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:18,914 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:18,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:18,915 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:18,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2023-12-02 23:37:19,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:19,156 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:19,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:19,190 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:19,191 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:19,701 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:19,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (135)] Ended with exit code 0 [2023-12-02 23:37:19,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:19,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:19,705 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:19,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:19,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:19,706 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:19,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:19,706 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:19,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2023-12-02 23:37:19,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:19,957 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:19,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:19,993 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:19,994 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:20,505 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:20,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (136)] Ended with exit code 0 [2023-12-02 23:37:20,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:20,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:20,510 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:20,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:20,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:20,511 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:20,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:20,511 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:20,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2023-12-02 23:37:20,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:20,768 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:20,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:20,807 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:20,808 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:21,334 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:21,337 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (137)] Ended with exit code 0 [2023-12-02 23:37:21,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:21,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:21,340 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:21,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:21,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:21,340 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:21,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:21,341 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:21,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2023-12-02 23:37:21,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:21,583 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:21,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:21,619 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:21,620 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:22,134 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:22,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (138)] Ended with exit code 0 [2023-12-02 23:37:22,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:22,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:22,139 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:22,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:22,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:22,139 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:22,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:22,140 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:22,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process [2023-12-02 23:37:22,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:22,410 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:22,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:22,449 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:22,450 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:22,969 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:22,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (139)] Ended with exit code 0 [2023-12-02 23:37:22,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:22,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:22,974 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:22,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:22,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:22,974 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:22,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:22,975 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:22,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2023-12-02 23:37:23,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:23,216 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:23,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:23,255 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:23,256 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:23,752 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:23,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (140)] Ended with exit code 0 [2023-12-02 23:37:23,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:23,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:23,758 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:23,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:23,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:23,758 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:23,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:23,759 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:23,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (141)] Waiting until timeout for monitored process [2023-12-02 23:37:24,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:24,005 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:24,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:24,046 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:24,047 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:24,538 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:24,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (141)] Ended with exit code 0 [2023-12-02 23:37:24,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:24,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:24,542 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:24,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:24,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:24,543 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:24,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:24,543 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:24,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2023-12-02 23:37:24,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:24,796 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:24,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:24,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:24,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:25,342 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:25,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (142)] Ended with exit code 0 [2023-12-02 23:37:25,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:25,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:25,347 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:25,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:25,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:25,348 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:25,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:25,348 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:25,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (143)] Waiting until timeout for monitored process [2023-12-02 23:37:25,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:25,598 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:25,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:25,634 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:25,635 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:26,170 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:26,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (143)] Ended with exit code 0 [2023-12-02 23:37:26,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:26,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:26,175 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:26,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:26,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:26,175 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:26,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:26,176 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:26,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2023-12-02 23:37:26,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:26,429 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:26,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:26,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:26,466 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:26,972 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:26,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (144)] Ended with exit code 0 [2023-12-02 23:37:26,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:26,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:26,976 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:26,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:26,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:26,977 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:26,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:26,978 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:26,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (145)] Waiting until timeout for monitored process [2023-12-02 23:37:27,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:27,227 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:27,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:27,266 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:27,267 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:27,770 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:27,773 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (145)] Forceful destruction successful, exit code 0 [2023-12-02 23:37:27,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:27,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:27,776 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:27,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:27,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:27,776 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:27,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:27,777 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:27,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2023-12-02 23:37:28,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:28,042 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:28,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:28,086 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:28,087 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:28,620 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:28,622 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (146)] Ended with exit code 0 [2023-12-02 23:37:28,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:28,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:28,625 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:28,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:28,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:28,626 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:28,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:28,626 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:28,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (147)] Waiting until timeout for monitored process [2023-12-02 23:37:28,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:28,882 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:28,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:28,922 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:28,923 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:29,444 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:29,447 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (147)] Ended with exit code 0 [2023-12-02 23:37:29,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:29,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:29,449 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:29,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:29,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:29,450 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:29,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:29,450 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:29,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process [2023-12-02 23:37:29,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:29,698 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:29,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:29,739 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:29,740 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:30,259 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:30,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (148)] Ended with exit code 0 [2023-12-02 23:37:30,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:30,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:30,264 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:30,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:30,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:30,264 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:30,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:30,265 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:30,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (149)] Waiting until timeout for monitored process [2023-12-02 23:37:30,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:30,544 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:30,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:30,582 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:30,583 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:31,115 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:31,118 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (149)] Ended with exit code 0 [2023-12-02 23:37:31,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:31,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:31,120 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:31,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:31,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:31,120 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:31,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:31,121 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:31,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (150)] Waiting until timeout for monitored process [2023-12-02 23:37:31,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:31,386 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:31,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:31,422 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:31,423 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:32,027 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:32,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (150)] Ended with exit code 0 [2023-12-02 23:37:32,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:32,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:32,032 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:32,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:32,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:32,032 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:32,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:32,033 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:32,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (151)] Waiting until timeout for monitored process [2023-12-02 23:37:32,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:32,314 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:32,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:32,349 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:32,350 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:32,874 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:32,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (151)] Ended with exit code 0 [2023-12-02 23:37:32,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:32,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:32,879 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:32,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:32,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:32,879 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:32,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:32,880 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:32,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (152)] Waiting until timeout for monitored process [2023-12-02 23:37:33,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:33,154 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:33,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:33,194 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:33,195 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:33,690 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:33,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (152)] Ended with exit code 0 [2023-12-02 23:37:33,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:33,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:33,696 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:33,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:33,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:33,696 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:33,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:33,697 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:33,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (153)] Waiting until timeout for monitored process [2023-12-02 23:37:33,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:33,936 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:33,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:33,968 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:33,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:34,467 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:34,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (153)] Ended with exit code 0 [2023-12-02 23:37:34,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:34,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:34,472 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:34,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:34,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:34,472 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:34,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:34,473 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:34,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (154)] Waiting until timeout for monitored process [2023-12-02 23:37:34,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:34,711 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:34,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:34,746 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:34,747 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:35,233 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:35,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (154)] Ended with exit code 0 [2023-12-02 23:37:35,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:35,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:35,237 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:35,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:35,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:35,237 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:35,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:35,238 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:35,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (155)] Waiting until timeout for monitored process [2023-12-02 23:37:35,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:35,500 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:35,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:35,538 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:35,539 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:36,076 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:36,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (155)] Ended with exit code 0 [2023-12-02 23:37:36,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:36,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:36,081 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:36,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:36,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:36,082 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:36,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:36,083 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:36,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (156)] Waiting until timeout for monitored process [2023-12-02 23:37:36,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:36,348 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:36,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:36,384 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:36,384 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:36,922 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:36,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (156)] Ended with exit code 0 [2023-12-02 23:37:36,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:36,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:36,927 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:36,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:36,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:36,927 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:36,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:36,928 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:36,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (157)] Waiting until timeout for monitored process [2023-12-02 23:37:37,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:37,205 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:37,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:37,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:37,249 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:37,781 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:37,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (157)] Ended with exit code 0 [2023-12-02 23:37:37,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:37,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:37,786 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:37,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:37,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:37,786 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:37,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:37,787 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:37,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (158)] Waiting until timeout for monitored process [2023-12-02 23:37:38,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:38,030 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:38,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:38,068 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:38,069 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:38,630 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:38,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (158)] Ended with exit code 0 [2023-12-02 23:37:38,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:38,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:38,635 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:38,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:38,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:38,636 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:38,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:38,636 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:38,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (159)] Waiting until timeout for monitored process [2023-12-02 23:37:38,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:38,905 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:38,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:38,945 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:38,946 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:39,483 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:39,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (159)] Ended with exit code 0 [2023-12-02 23:37:39,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:39,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:39,488 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:39,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:39,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:39,488 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:39,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:39,489 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:39,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (160)] Waiting until timeout for monitored process [2023-12-02 23:37:39,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:39,759 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:39,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:39,796 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:39,797 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:40,343 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:40,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (160)] Ended with exit code 0 [2023-12-02 23:37:40,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:40,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:40,349 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:40,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:40,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:40,349 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:40,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:40,350 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:40,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (161)] Waiting until timeout for monitored process [2023-12-02 23:37:40,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:40,619 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:40,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:40,656 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:40,657 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:41,173 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:41,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (161)] Ended with exit code 0 [2023-12-02 23:37:41,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:41,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:41,177 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:41,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:41,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:41,178 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:41,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:41,178 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:41,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (162)] Waiting until timeout for monitored process [2023-12-02 23:37:41,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:41,413 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:41,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:41,448 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:41,449 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:41,929 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:41,931 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (162)] Ended with exit code 0 [2023-12-02 23:37:41,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:41,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:41,934 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:41,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:41,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:41,935 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:41,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:41,935 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:41,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (163)] Waiting until timeout for monitored process [2023-12-02 23:37:42,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:42,174 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:42,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:42,208 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:42,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:42,760 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:42,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (163)] Ended with exit code 0 [2023-12-02 23:37:42,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:42,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:42,766 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:42,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:42,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:42,766 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:42,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:42,767 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:42,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (164)] Waiting until timeout for monitored process [2023-12-02 23:37:43,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:43,033 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:43,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:43,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:43,074 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:43,613 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:43,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (164)] Ended with exit code 0 [2023-12-02 23:37:43,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:43,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:43,618 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:43,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:43,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:43,618 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:43,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:43,619 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:43,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (165)] Waiting until timeout for monitored process [2023-12-02 23:37:43,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:43,889 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:43,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:43,924 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:43,925 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:44,443 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:44,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (165)] Ended with exit code 0 [2023-12-02 23:37:44,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:44,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:44,448 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:44,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:44,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:44,449 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:44,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:44,449 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:44,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (166)] Waiting until timeout for monitored process [2023-12-02 23:37:44,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:44,715 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:44,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:44,751 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:44,752 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:45,349 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:45,351 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (166)] Ended with exit code 0 [2023-12-02 23:37:45,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:45,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:45,353 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:45,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:45,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:45,354 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:45,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:45,355 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:45,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (167)] Waiting until timeout for monitored process [2023-12-02 23:37:45,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:45,606 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:45,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:45,643 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:45,644 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:46,155 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:46,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (167)] Ended with exit code 0 [2023-12-02 23:37:46,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:46,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:46,160 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:46,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:46,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:46,160 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:46,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:46,161 INFO L229 MonitoredProcess]: Starting monitored process 168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:46,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (168)] Waiting until timeout for monitored process [2023-12-02 23:37:46,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:46,417 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:46,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:46,454 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:46,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:46,976 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:46,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (168)] Ended with exit code 0 [2023-12-02 23:37:46,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:46,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:46,981 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:46,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:46,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:46,981 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:46,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:46,982 INFO L229 MonitoredProcess]: Starting monitored process 169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:46,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (169)] Waiting until timeout for monitored process [2023-12-02 23:37:47,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:47,251 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:47,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:47,287 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:47,288 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:47,820 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:47,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (169)] Ended with exit code 0 [2023-12-02 23:37:47,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:47,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:47,825 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:47,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:47,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:47,825 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:47,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:47,826 INFO L229 MonitoredProcess]: Starting monitored process 170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:47,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (170)] Waiting until timeout for monitored process [2023-12-02 23:37:48,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:48,092 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:48,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:48,130 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:48,131 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:48,707 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:48,709 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (170)] Forceful destruction successful, exit code 0 [2023-12-02 23:37:48,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:48,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:48,712 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:48,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:48,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:48,712 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:48,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:48,713 INFO L229 MonitoredProcess]: Starting monitored process 171 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:48,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (171)] Waiting until timeout for monitored process [2023-12-02 23:37:48,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:48,982 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:49,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:49,022 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:49,023 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:49,568 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:49,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (171)] Ended with exit code 0 [2023-12-02 23:37:49,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:49,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:49,573 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:49,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:49,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:49,573 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:49,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:49,574 INFO L229 MonitoredProcess]: Starting monitored process 172 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:49,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (172)] Waiting until timeout for monitored process [2023-12-02 23:37:49,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:49,825 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:49,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:49,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:49,863 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:50,354 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:50,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (172)] Ended with exit code 0 [2023-12-02 23:37:50,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:50,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:50,359 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:50,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:50,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:50,360 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:50,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:50,360 INFO L229 MonitoredProcess]: Starting monitored process 173 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:50,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (173)] Waiting until timeout for monitored process [2023-12-02 23:37:50,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:50,588 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:50,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:50,623 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:50,624 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:51,111 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:51,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (173)] Ended with exit code 0 [2023-12-02 23:37:51,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:51,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:51,116 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:51,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:51,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:51,116 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:51,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:51,117 INFO L229 MonitoredProcess]: Starting monitored process 174 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:51,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (174)] Waiting until timeout for monitored process [2023-12-02 23:37:51,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:51,365 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:51,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:51,403 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:51,404 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:51,889 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:51,892 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (174)] Forceful destruction successful, exit code 0 [2023-12-02 23:37:51,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:51,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:51,898 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:51,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:51,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:51,899 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:51,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:51,899 INFO L229 MonitoredProcess]: Starting monitored process 175 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:51,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (175)] Waiting until timeout for monitored process [2023-12-02 23:37:52,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:52,172 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:52,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:52,213 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:52,214 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:52,771 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:52,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (175)] Ended with exit code 0 [2023-12-02 23:37:52,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:52,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:52,776 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:52,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:52,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:52,776 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:52,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:52,777 INFO L229 MonitoredProcess]: Starting monitored process 176 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:52,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (176)] Waiting until timeout for monitored process [2023-12-02 23:37:53,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:53,044 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:53,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:53,082 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:53,083 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:53,621 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:53,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (176)] Ended with exit code 0 [2023-12-02 23:37:53,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:53,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:53,626 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:53,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:53,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:53,627 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:53,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:53,627 INFO L229 MonitoredProcess]: Starting monitored process 177 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:53,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (177)] Waiting until timeout for monitored process [2023-12-02 23:37:53,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:53,896 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:53,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:53,932 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:53,933 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:54,438 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:54,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (177)] Ended with exit code 0 [2023-12-02 23:37:54,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:54,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:54,443 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:54,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:54,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:54,444 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:54,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:54,444 INFO L229 MonitoredProcess]: Starting monitored process 178 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:54,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (178)] Waiting until timeout for monitored process [2023-12-02 23:37:54,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:54,709 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:54,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:54,748 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:54,749 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:55,287 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:55,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (178)] Ended with exit code 0 [2023-12-02 23:37:55,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:55,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:55,292 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:55,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:55,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:55,293 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:55,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:55,294 INFO L229 MonitoredProcess]: Starting monitored process 179 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:55,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (179)] Waiting until timeout for monitored process [2023-12-02 23:37:55,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:55,563 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:55,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:55,599 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:55,600 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:56,123 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:56,126 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (179)] Ended with exit code 0 [2023-12-02 23:37:56,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:56,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:56,129 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:56,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:56,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:56,129 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:56,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:56,130 INFO L229 MonitoredProcess]: Starting monitored process 180 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:56,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (180)] Waiting until timeout for monitored process [2023-12-02 23:37:56,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:56,398 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:56,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:56,436 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:56,437 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:56,961 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:56,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (180)] Ended with exit code 0 [2023-12-02 23:37:56,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:56,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:56,967 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:56,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:56,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:56,967 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:56,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:56,968 INFO L229 MonitoredProcess]: Starting monitored process 181 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:56,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (181)] Waiting until timeout for monitored process [2023-12-02 23:37:57,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:57,219 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:57,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:57,252 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:57,253 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:57,725 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:57,727 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (181)] Ended with exit code 0 [2023-12-02 23:37:57,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:57,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:57,729 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:57,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:57,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:57,730 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:57,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:57,731 INFO L229 MonitoredProcess]: Starting monitored process 182 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:57,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (182)] Waiting until timeout for monitored process [2023-12-02 23:37:57,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:57,977 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:58,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:58,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:58,015 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:58,513 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:58,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (182)] Ended with exit code 0 [2023-12-02 23:37:58,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:58,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:58,519 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:58,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:58,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:58,519 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:58,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:58,520 INFO L229 MonitoredProcess]: Starting monitored process 183 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:58,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (183)] Waiting until timeout for monitored process [2023-12-02 23:37:58,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:58,750 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:58,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:58,787 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:58,788 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:59,269 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:37:59,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (183)] Ended with exit code 0 [2023-12-02 23:37:59,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:59,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:37:59,274 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:37:59,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:37:59,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:59,274 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:59,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:59,275 INFO L229 MonitoredProcess]: Starting monitored process 184 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:59,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (184)] Waiting until timeout for monitored process [2023-12-02 23:37:59,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:59,535 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:59,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:59,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:37:59,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:00,132 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:38:00,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (184)] Ended with exit code 0 [2023-12-02 23:38:00,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:00,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:38:00,137 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:38:00,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:38:00,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:00,138 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:38:00,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:38:00,139 INFO L229 MonitoredProcess]: Starting monitored process 185 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:38:00,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (185)] Waiting until timeout for monitored process [2023-12-02 23:38:00,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:00,416 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:38:00,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:00,455 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:38:00,456 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:01,005 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:38:01,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (185)] Ended with exit code 0 [2023-12-02 23:38:01,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:01,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:38:01,012 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:38:01,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:38:01,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:01,012 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:38:01,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:38:01,013 INFO L229 MonitoredProcess]: Starting monitored process 186 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:38:01,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (186)] Waiting until timeout for monitored process [2023-12-02 23:38:01,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:01,306 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:38:01,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:01,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:38:01,351 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:01,927 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:38:01,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (186)] Ended with exit code 0 [2023-12-02 23:38:01,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:01,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:38:01,933 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:38:01,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:38:01,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:01,934 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:38:01,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:38:01,934 INFO L229 MonitoredProcess]: Starting monitored process 187 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:38:01,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (187)] Waiting until timeout for monitored process [2023-12-02 23:38:02,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:02,225 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:38:02,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:02,266 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:38:02,267 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:02,832 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:38:02,835 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (187)] Ended with exit code 0 [2023-12-02 23:38:02,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:02,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:38:02,838 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:38:02,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:38:02,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:02,838 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:38:02,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:38:02,839 INFO L229 MonitoredProcess]: Starting monitored process 188 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:38:02,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (188)] Waiting until timeout for monitored process [2023-12-02 23:38:03,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:03,121 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:38:03,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:03,163 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:38:03,164 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:03,758 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:38:03,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (188)] Ended with exit code 0 [2023-12-02 23:38:03,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:03,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:38:03,764 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:38:03,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:38:03,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:03,765 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:38:03,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:38:03,766 INFO L229 MonitoredProcess]: Starting monitored process 189 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:38:03,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (189)] Waiting until timeout for monitored process [2023-12-02 23:38:04,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:04,043 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:38:04,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:04,079 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:38:04,080 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:04,665 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:38:04,668 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (189)] Ended with exit code 0 [2023-12-02 23:38:04,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:04,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:38:04,672 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:38:04,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:38:04,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:04,672 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:38:04,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:38:04,673 INFO L229 MonitoredProcess]: Starting monitored process 190 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:38:04,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (190)] Waiting until timeout for monitored process [2023-12-02 23:38:04,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:04,971 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:38:05,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:05,013 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:38:05,014 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:05,596 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:38:05,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (190)] Ended with exit code 0 [2023-12-02 23:38:05,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:05,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:38:05,601 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:38:05,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:38:05,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:05,602 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:38:05,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:38:05,603 INFO L229 MonitoredProcess]: Starting monitored process 191 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:38:05,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (191)] Waiting until timeout for monitored process [2023-12-02 23:38:05,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:05,891 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:38:05,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:05,934 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:38:05,935 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:06,613 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:38:06,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (191)] Ended with exit code 0 [2023-12-02 23:38:06,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:06,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:38:06,620 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:38:06,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:38:06,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:06,620 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:38:06,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:38:06,621 INFO L229 MonitoredProcess]: Starting monitored process 192 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:38:06,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (192)] Waiting until timeout for monitored process [2023-12-02 23:38:06,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:06,986 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:38:07,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:07,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:38:07,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:07,632 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:38:07,634 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (192)] Ended with exit code 0 [2023-12-02 23:38:07,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:07,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:38:07,638 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:38:07,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:38:07,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:07,638 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:38:07,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:38:07,639 INFO L229 MonitoredProcess]: Starting monitored process 193 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:38:07,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (193)] Waiting until timeout for monitored process [2023-12-02 23:38:07,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:07,926 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:38:07,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:07,976 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:38:07,977 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:08,550 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:38:08,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (193)] Forceful destruction successful, exit code 0 [2023-12-02 23:38:08,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:08,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:38:08,555 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:38:08,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:38:08,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:08,556 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:38:08,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:38:08,556 INFO L229 MonitoredProcess]: Starting monitored process 194 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:38:08,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (194)] Waiting until timeout for monitored process [2023-12-02 23:38:08,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:08,804 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:38:08,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:08,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:38:08,845 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:09,418 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:38:09,421 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (194)] Ended with exit code 0 [2023-12-02 23:38:09,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:09,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:38:09,424 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:38:09,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:38:09,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:09,425 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:38:09,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:38:09,425 INFO L229 MonitoredProcess]: Starting monitored process 195 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:38:09,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (195)] Waiting until timeout for monitored process [2023-12-02 23:38:09,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:09,731 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:38:10,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:10,105 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:38:10,107 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:10,718 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:38:10,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (195)] Ended with exit code 0 [2023-12-02 23:38:10,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:10,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:38:10,724 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:38:10,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:38:10,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:10,724 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:38:10,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:38:10,725 INFO L229 MonitoredProcess]: Starting monitored process 196 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:38:10,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (196)] Waiting until timeout for monitored process [2023-12-02 23:38:11,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:11,030 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:38:11,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:11,075 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:38:11,076 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:11,689 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:38:11,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (196)] Ended with exit code 0 [2023-12-02 23:38:11,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:11,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:38:11,694 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:38:11,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:38:11,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:11,695 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:38:11,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:38:11,696 INFO L229 MonitoredProcess]: Starting monitored process 197 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:38:11,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (197)] Waiting until timeout for monitored process [2023-12-02 23:38:11,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:11,986 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:38:12,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:12,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:38:12,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:12,635 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:38:12,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (197)] Ended with exit code 0 [2023-12-02 23:38:12,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:12,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:38:12,641 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:38:12,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:38:12,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:12,642 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:38:12,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:38:12,643 INFO L229 MonitoredProcess]: Starting monitored process 198 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:38:12,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (198)] Waiting until timeout for monitored process [2023-12-02 23:38:12,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:12,970 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:38:13,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:13,015 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:38:13,016 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:13,594 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:38:13,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (198)] Ended with exit code 0 [2023-12-02 23:38:13,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:13,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:38:13,599 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:38:13,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:38:13,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:13,599 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:38:13,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:38:13,600 INFO L229 MonitoredProcess]: Starting monitored process 199 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:38:13,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (199)] Waiting until timeout for monitored process [2023-12-02 23:38:13,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:13,851 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:38:13,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:13,889 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:38:13,889 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:14,430 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:38:14,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (199)] Ended with exit code 0 [2023-12-02 23:38:14,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:14,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:38:14,436 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:38:14,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:38:14,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:14,436 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:38:14,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:38:14,437 INFO L229 MonitoredProcess]: Starting monitored process 200 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:38:14,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (200)] Waiting until timeout for monitored process [2023-12-02 23:38:14,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:14,728 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:38:14,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:14,767 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:38:14,768 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:15,330 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:38:15,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (200)] Ended with exit code 0 [2023-12-02 23:38:15,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:15,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:38:15,335 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:38:15,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:38:15,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:15,335 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:38:15,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:38:15,336 INFO L229 MonitoredProcess]: Starting monitored process 201 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:38:15,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (201)] Waiting until timeout for monitored process [2023-12-02 23:38:15,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:15,617 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:38:15,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:15,664 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:38:15,665 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:16,237 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:38:16,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (201)] Ended with exit code 0 [2023-12-02 23:38:16,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:16,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:38:16,242 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:38:16,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:38:16,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:16,243 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:38:16,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:38:16,244 INFO L229 MonitoredProcess]: Starting monitored process 202 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:38:16,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (202)] Waiting until timeout for monitored process [2023-12-02 23:38:16,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:16,538 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:38:16,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:16,590 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:38:16,591 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:17,140 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:38:17,143 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (202)] Ended with exit code 0 [2023-12-02 23:38:17,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:17,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:38:17,145 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:38:17,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:38:17,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:17,146 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:38:17,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:38:17,146 INFO L229 MonitoredProcess]: Starting monitored process 203 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:38:17,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (203)] Waiting until timeout for monitored process [2023-12-02 23:38:17,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:17,410 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:38:17,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:17,454 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:38:17,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:18,075 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:38:18,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (203)] Ended with exit code 0 [2023-12-02 23:38:18,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:18,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:38:18,081 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:38:18,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:38:18,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:18,081 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:38:18,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:38:18,082 INFO L229 MonitoredProcess]: Starting monitored process 204 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:38:18,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (204)] Waiting until timeout for monitored process [2023-12-02 23:38:18,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:18,379 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:38:18,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:18,426 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:38:18,427 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:19,073 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:38:19,075 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (204)] Ended with exit code 0 [2023-12-02 23:38:19,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:19,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:38:19,078 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:38:19,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:38:19,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:19,079 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:38:19,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:38:19,079 INFO L229 MonitoredProcess]: Starting monitored process 205 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:38:19,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (205)] Waiting until timeout for monitored process [2023-12-02 23:38:19,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:19,380 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:38:19,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:19,421 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:38:19,422 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:20,081 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:38:20,084 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (205)] Ended with exit code 0 [2023-12-02 23:38:20,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:20,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:38:20,087 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:38:20,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:38:20,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:20,088 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:38:20,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:38:20,089 INFO L229 MonitoredProcess]: Starting monitored process 206 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:38:20,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (206)] Waiting until timeout for monitored process [2023-12-02 23:38:20,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:20,384 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:38:20,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:20,427 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:38:20,428 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:21,059 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:38:21,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (206)] Ended with exit code 0 [2023-12-02 23:38:21,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:21,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:38:21,066 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:38:21,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:38:21,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:21,066 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:38:21,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:38:21,067 INFO L229 MonitoredProcess]: Starting monitored process 207 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:38:21,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (207)] Waiting until timeout for monitored process [2023-12-02 23:38:21,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:21,388 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:38:21,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:21,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:38:21,438 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:22,053 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:38:22,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (207)] Forceful destruction successful, exit code 0 [2023-12-02 23:38:22,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:22,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:38:22,059 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:38:22,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:38:22,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:22,059 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:38:22,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:38:22,060 INFO L229 MonitoredProcess]: Starting monitored process 208 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:38:22,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (208)] Waiting until timeout for monitored process [2023-12-02 23:38:22,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:22,351 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:38:22,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:22,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:38:22,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:23,019 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:38:23,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (208)] Ended with exit code 0 [2023-12-02 23:38:23,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:23,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:38:23,026 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:38:23,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:38:23,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:23,026 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:38:23,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:38:23,027 INFO L229 MonitoredProcess]: Starting monitored process 209 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:38:23,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (209)] Waiting until timeout for monitored process [2023-12-02 23:38:23,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:23,305 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:38:23,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:23,354 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:38:23,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:23,989 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:38:23,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (209)] Ended with exit code 0 [2023-12-02 23:38:23,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:23,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:38:23,995 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:38:23,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:38:23,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:23,995 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:38:23,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:38:23,996 INFO L229 MonitoredProcess]: Starting monitored process 210 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:38:23,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (210)] Waiting until timeout for monitored process [2023-12-02 23:38:24,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:24,281 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:38:24,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:24,336 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:38:24,337 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:24,962 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:38:24,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (210)] Forceful destruction successful, exit code 0 [2023-12-02 23:38:24,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:24,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:38:24,967 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:38:24,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:38:24,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:24,967 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:38:24,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:38:24,968 INFO L229 MonitoredProcess]: Starting monitored process 211 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:38:24,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (211)] Waiting until timeout for monitored process [2023-12-02 23:38:25,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:25,263 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:38:25,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:25,305 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:38:25,307 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:25,913 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:38:25,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (211)] Ended with exit code 0 [2023-12-02 23:38:25,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:25,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:38:25,919 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:38:25,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:38:25,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:25,919 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:38:25,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:38:25,920 INFO L229 MonitoredProcess]: Starting monitored process 212 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:38:25,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (212)] Waiting until timeout for monitored process [2023-12-02 23:38:26,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:26,230 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:38:26,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:26,278 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:38:26,279 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:26,969 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:38:26,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (212)] Ended with exit code 0 [2023-12-02 23:38:26,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:26,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:38:26,974 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:38:26,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:38:26,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:26,975 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:38:26,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:38:26,976 INFO L229 MonitoredProcess]: Starting monitored process 213 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:38:26,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (213)] Waiting until timeout for monitored process [2023-12-02 23:38:27,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:27,294 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:38:27,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:27,342 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:38:27,344 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:27,989 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:38:27,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (213)] Ended with exit code 0 [2023-12-02 23:38:27,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:27,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:38:27,995 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:38:27,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:38:27,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:27,995 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:38:27,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:38:27,996 INFO L229 MonitoredProcess]: Starting monitored process 214 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:38:27,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (214)] Waiting until timeout for monitored process [2023-12-02 23:38:28,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:28,313 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:38:28,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:28,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:38:28,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:28,985 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:38:28,987 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (214)] Ended with exit code 0 [2023-12-02 23:38:28,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:28,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:38:28,990 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:38:28,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:38:28,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:28,990 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:38:28,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:38:28,991 INFO L229 MonitoredProcess]: Starting monitored process 215 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:38:28,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (215)] Waiting until timeout for monitored process [2023-12-02 23:38:29,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:29,279 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:38:29,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:29,331 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:38:29,333 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:29,936 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:38:29,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (215)] Ended with exit code 0 [2023-12-02 23:38:29,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:29,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:38:29,941 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:38:29,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:38:29,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:29,941 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:38:29,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:38:29,942 INFO L229 MonitoredProcess]: Starting monitored process 216 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:38:29,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (216)] Waiting until timeout for monitored process [2023-12-02 23:38:30,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:30,246 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:38:30,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:30,292 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:38:30,293 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:30,925 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:38:30,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (216)] Ended with exit code 0 [2023-12-02 23:38:30,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:30,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:38:30,931 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:38:30,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:38:30,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:30,931 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:38:30,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:38:30,932 INFO L229 MonitoredProcess]: Starting monitored process 217 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:38:30,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (217)] Waiting until timeout for monitored process [2023-12-02 23:38:31,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:31,230 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:38:31,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:31,278 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:38:31,279 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:31,881 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:38:31,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (217)] Ended with exit code 0 [2023-12-02 23:38:31,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:31,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:38:31,886 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:38:31,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:38:31,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:31,886 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:38:31,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:38:31,887 INFO L229 MonitoredProcess]: Starting monitored process 218 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:38:31,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (218)] Waiting until timeout for monitored process [2023-12-02 23:38:32,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:32,197 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:38:32,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:32,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:38:32,242 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:32,828 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:38:32,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (218)] Ended with exit code 0 [2023-12-02 23:38:32,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:32,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:38:32,834 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:38:32,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:38:32,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:32,834 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:38:32,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:38:32,835 INFO L229 MonitoredProcess]: Starting monitored process 219 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:38:32,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (219)] Waiting until timeout for monitored process [2023-12-02 23:38:33,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:33,142 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:38:33,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:33,185 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:38:33,187 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:33,799 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:38:33,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (219)] Ended with exit code 0 [2023-12-02 23:38:33,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:33,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:38:33,805 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:38:33,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:38:33,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:33,805 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:38:33,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:38:33,806 INFO L229 MonitoredProcess]: Starting monitored process 220 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:38:33,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (220)] Waiting until timeout for monitored process [2023-12-02 23:38:34,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:34,107 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:38:34,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:34,153 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:38:34,154 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:34,751 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:38:34,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (220)] Ended with exit code 0 [2023-12-02 23:38:34,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:34,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:38:34,755 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:38:34,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:38:34,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:34,756 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:38:34,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:38:34,756 INFO L229 MonitoredProcess]: Starting monitored process 221 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:38:34,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (221)] Waiting until timeout for monitored process [2023-12-02 23:38:35,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:35,056 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:38:35,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:35,101 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:38:35,102 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:35,721 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:38:35,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (221)] Ended with exit code 0 [2023-12-02 23:38:35,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:35,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:38:35,726 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:38:35,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:38:35,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:35,727 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:38:35,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:38:35,728 INFO L229 MonitoredProcess]: Starting monitored process 222 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:38:35,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (222)] Waiting until timeout for monitored process [2023-12-02 23:38:36,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:36,065 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:38:36,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:36,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:38:36,114 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:36,708 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:38:36,711 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (222)] Ended with exit code 0 [2023-12-02 23:38:36,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:36,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:38:36,714 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:38:36,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:38:36,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:36,714 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:38:36,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:38:36,715 INFO L229 MonitoredProcess]: Starting monitored process 223 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:38:36,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (223)] Waiting until timeout for monitored process [2023-12-02 23:38:37,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:37,040 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:38:37,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:37,089 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:38:37,090 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:37,736 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:38:37,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (223)] Ended with exit code 0 [2023-12-02 23:38:37,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:37,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:38:37,741 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:38:37,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:38:37,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:37,742 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:38:37,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:38:37,743 INFO L229 MonitoredProcess]: Starting monitored process 224 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:38:37,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (224)] Waiting until timeout for monitored process [2023-12-02 23:38:38,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:38,044 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:38:38,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:38,090 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:38:38,091 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:38,710 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:38:38,713 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (224)] Ended with exit code 0 [2023-12-02 23:38:38,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:38,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:38:38,716 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:38:38,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:38:38,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:38,716 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:38:38,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:38:38,717 INFO L229 MonitoredProcess]: Starting monitored process 225 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:38:38,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (225)] Waiting until timeout for monitored process [2023-12-02 23:38:39,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:39,019 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:38:39,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:39,067 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:38:39,068 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:39,672 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:38:39,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (225)] Ended with exit code 0 [2023-12-02 23:38:39,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:39,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:38:39,678 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:38:39,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:38:39,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:39,678 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:38:39,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:38:39,679 INFO L229 MonitoredProcess]: Starting monitored process 226 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:38:39,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (226)] Waiting until timeout for monitored process [2023-12-02 23:38:39,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:39,996 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:38:40,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:40,044 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:38:40,045 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:40,660 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:38:40,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (226)] Ended with exit code 0 [2023-12-02 23:38:40,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:40,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:38:40,665 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:38:40,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:38:40,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:40,666 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:38:40,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:38:40,667 INFO L229 MonitoredProcess]: Starting monitored process 227 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:38:40,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (227)] Waiting until timeout for monitored process [2023-12-02 23:38:40,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:40,966 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:38:41,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:41,011 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:38:41,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:41,635 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:38:41,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (227)] Ended with exit code 0 [2023-12-02 23:38:41,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:41,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:38:41,641 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:38:41,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:38:41,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:41,641 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:38:41,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:38:41,642 INFO L229 MonitoredProcess]: Starting monitored process 228 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:38:41,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (228)] Waiting until timeout for monitored process [2023-12-02 23:38:41,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:41,972 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:38:42,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:42,021 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:38:42,022 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:42,633 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:38:42,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (228)] Ended with exit code 0 [2023-12-02 23:38:42,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:42,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:38:42,639 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:38:42,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:38:42,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:42,639 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:38:42,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:38:42,640 INFO L229 MonitoredProcess]: Starting monitored process 229 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:38:42,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (229)] Waiting until timeout for monitored process [2023-12-02 23:38:42,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:42,944 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:38:42,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:42,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:38:42,996 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:43,585 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:38:43,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (229)] Ended with exit code 0 [2023-12-02 23:38:43,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:43,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:38:43,591 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:38:43,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:38:43,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:43,591 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:38:43,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:38:43,592 INFO L229 MonitoredProcess]: Starting monitored process 230 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:38:43,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (230)] Waiting until timeout for monitored process [2023-12-02 23:38:43,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:43,867 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:38:43,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:43,902 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:38:43,903 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:44,433 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:38:44,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (230)] Forceful destruction successful, exit code 0 [2023-12-02 23:38:44,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:44,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:38:44,437 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:38:44,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:38:44,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:44,437 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:38:44,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:38:44,438 INFO L229 MonitoredProcess]: Starting monitored process 231 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:38:44,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (231)] Waiting until timeout for monitored process [2023-12-02 23:38:44,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:44,686 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:38:44,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:44,729 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:38:44,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:45,269 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:38:45,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (231)] Ended with exit code 0 [2023-12-02 23:38:45,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:45,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:38:45,274 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:38:45,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:38:45,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:45,275 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:38:45,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:38:45,275 INFO L229 MonitoredProcess]: Starting monitored process 232 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:38:45,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (232)] Waiting until timeout for monitored process [2023-12-02 23:38:45,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:45,526 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:38:45,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:45,562 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:38:45,563 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:46,145 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:38:46,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (232)] Ended with exit code 0 [2023-12-02 23:38:46,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:46,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:38:46,149 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:38:46,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:38:46,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:46,149 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:38:46,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:38:46,150 INFO L229 MonitoredProcess]: Starting monitored process 233 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:38:46,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (233)] Waiting until timeout for monitored process [2023-12-02 23:38:46,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:46,394 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:38:46,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:46,432 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:38:46,433 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:47,002 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:38:47,005 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (233)] Ended with exit code 0 [2023-12-02 23:38:47,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:47,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:38:47,007 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:38:47,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:38:47,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:47,008 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:38:47,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:38:47,009 INFO L229 MonitoredProcess]: Starting monitored process 234 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:38:47,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (234)] Waiting until timeout for monitored process [2023-12-02 23:38:47,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:47,250 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:38:47,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:47,286 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:38:47,286 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:47,815 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:38:47,817 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (234)] Ended with exit code 0 [2023-12-02 23:38:47,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:47,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:38:47,819 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:38:47,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:38:47,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:47,820 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:38:47,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:38:47,820 INFO L229 MonitoredProcess]: Starting monitored process 235 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:38:47,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (235)] Waiting until timeout for monitored process [2023-12-02 23:38:48,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:48,105 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:38:48,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:48,143 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:38:48,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:48,677 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:38:48,680 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (235)] Ended with exit code 0 [2023-12-02 23:38:48,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:48,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:38:48,682 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:38:48,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:38:48,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:48,682 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:38:48,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:38:48,683 INFO L229 MonitoredProcess]: Starting monitored process 236 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:38:48,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (236)] Waiting until timeout for monitored process [2023-12-02 23:38:48,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:48,937 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:38:48,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:48,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:38:48,979 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:49,507 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:38:49,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (236)] Forceful destruction successful, exit code 0 [2023-12-02 23:38:49,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:49,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:38:49,512 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:38:49,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:38:49,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:49,512 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:38:49,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:38:49,513 INFO L229 MonitoredProcess]: Starting monitored process 237 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:38:49,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (237)] Waiting until timeout for monitored process [2023-12-02 23:38:49,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:49,763 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:38:49,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:49,804 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:38:49,805 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:50,369 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:38:50,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (237)] Ended with exit code 0 [2023-12-02 23:38:50,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:50,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:38:50,373 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:38:50,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:38:50,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:50,374 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:38:50,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:38:50,374 INFO L229 MonitoredProcess]: Starting monitored process 238 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:38:50,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (238)] Waiting until timeout for monitored process [2023-12-02 23:38:50,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:50,632 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:38:50,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:50,669 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:38:50,670 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:51,202 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:38:51,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (238)] Ended with exit code 0 [2023-12-02 23:38:51,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:51,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:38:51,208 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:38:51,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:38:51,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:51,208 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:38:51,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:38:51,209 INFO L229 MonitoredProcess]: Starting monitored process 239 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:38:51,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (239)] Waiting until timeout for monitored process [2023-12-02 23:38:51,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:51,457 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:38:51,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:51,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:38:51,498 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:52,041 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:38:52,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (239)] Ended with exit code 0 [2023-12-02 23:38:52,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:52,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:38:52,045 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:38:52,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:38:52,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:52,045 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:38:52,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:38:52,046 INFO L229 MonitoredProcess]: Starting monitored process 240 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:38:52,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (240)] Waiting until timeout for monitored process [2023-12-02 23:38:52,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:52,314 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:38:52,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:52,353 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:38:52,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:52,911 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:38:52,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (240)] Ended with exit code 0 [2023-12-02 23:38:52,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:52,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:38:52,915 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:38:52,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:38:52,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:52,915 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:38:52,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:38:52,916 INFO L229 MonitoredProcess]: Starting monitored process 241 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:38:52,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (241)] Waiting until timeout for monitored process [2023-12-02 23:38:53,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:53,201 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:38:53,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:53,246 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:38:53,247 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:53,813 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:38:53,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (241)] Ended with exit code 0 [2023-12-02 23:38:53,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:53,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:38:53,819 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:38:53,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:38:53,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:53,819 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:38:53,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:38:53,820 INFO L229 MonitoredProcess]: Starting monitored process 242 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:38:53,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (242)] Waiting until timeout for monitored process [2023-12-02 23:38:54,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:54,073 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:38:54,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:54,116 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:38:54,117 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:54,664 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:38:54,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (242)] Ended with exit code 0 [2023-12-02 23:38:54,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:54,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:38:54,669 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:38:54,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:38:54,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:54,669 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:38:54,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:38:54,670 INFO L229 MonitoredProcess]: Starting monitored process 243 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:38:54,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (243)] Waiting until timeout for monitored process [2023-12-02 23:38:54,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:54,910 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:38:54,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:54,954 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:38:54,955 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:55,499 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:38:55,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (243)] Ended with exit code 0 [2023-12-02 23:38:55,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:55,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:38:55,504 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:38:55,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:38:55,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:55,504 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:38:55,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:38:55,505 INFO L229 MonitoredProcess]: Starting monitored process 244 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:38:55,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (244)] Waiting until timeout for monitored process [2023-12-02 23:38:55,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:55,772 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:38:55,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:55,811 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:38:55,812 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:56,375 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:38:56,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (244)] Ended with exit code 0 [2023-12-02 23:38:56,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:56,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:38:56,379 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:38:56,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:38:56,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:56,379 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:38:56,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:38:56,380 INFO L229 MonitoredProcess]: Starting monitored process 245 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:38:56,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (245)] Waiting until timeout for monitored process [2023-12-02 23:38:56,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:56,634 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:38:56,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:56,671 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:38:56,672 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:57,220 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:38:57,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (245)] Ended with exit code 0 [2023-12-02 23:38:57,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:57,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:38:57,225 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:38:57,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:38:57,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:57,226 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:38:57,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:38:57,226 INFO L229 MonitoredProcess]: Starting monitored process 246 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:38:57,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (246)] Waiting until timeout for monitored process [2023-12-02 23:38:57,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:57,497 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:38:57,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:57,543 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:38:57,544 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:58,095 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:38:58,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (246)] Ended with exit code 0 [2023-12-02 23:38:58,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:58,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:38:58,100 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:38:58,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:38:58,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:58,100 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:38:58,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:38:58,101 INFO L229 MonitoredProcess]: Starting monitored process 247 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:38:58,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (247)] Waiting until timeout for monitored process [2023-12-02 23:38:58,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:58,420 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:38:58,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:58,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:38:58,458 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:59,011 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:38:59,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (247)] Forceful destruction successful, exit code 0 [2023-12-02 23:38:59,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:59,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:38:59,015 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:38:59,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:38:59,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:59,015 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:38:59,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:38:59,016 INFO L229 MonitoredProcess]: Starting monitored process 248 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:38:59,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (248)] Waiting until timeout for monitored process [2023-12-02 23:38:59,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:59,266 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:38:59,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:38:59,307 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:38:59,307 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:38:59,845 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:38:59,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (248)] Ended with exit code 0 [2023-12-02 23:38:59,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:59,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:38:59,849 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:38:59,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:38:59,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:59,850 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:38:59,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:38:59,850 INFO L229 MonitoredProcess]: Starting monitored process 249 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:38:59,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (249)] Waiting until timeout for monitored process [2023-12-02 23:39:00,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:00,097 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:00,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:00,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:39:00,143 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:00,686 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:39:00,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (249)] Ended with exit code 0 [2023-12-02 23:39:00,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:00,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:39:00,691 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:39:00,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:39:00,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:00,691 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:00,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:39:00,692 INFO L229 MonitoredProcess]: Starting monitored process 250 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:39:00,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (250)] Waiting until timeout for monitored process [2023-12-02 23:39:00,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:00,938 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:00,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:00,975 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:39:00,976 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:01,534 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:39:01,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (250)] Forceful destruction successful, exit code 0 [2023-12-02 23:39:01,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:01,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:39:01,538 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:39:01,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:39:01,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:01,538 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:01,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:39:01,539 INFO L229 MonitoredProcess]: Starting monitored process 251 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:39:01,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (251)] Waiting until timeout for monitored process [2023-12-02 23:39:01,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:01,826 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:01,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:01,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:39:01,872 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:02,453 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:39:02,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (251)] Ended with exit code 0 [2023-12-02 23:39:02,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:02,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:39:02,458 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:39:02,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:39:02,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:02,458 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:02,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:39:02,459 INFO L229 MonitoredProcess]: Starting monitored process 252 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:39:02,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (252)] Waiting until timeout for monitored process [2023-12-02 23:39:02,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:02,728 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:02,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:02,767 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:39:02,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:03,315 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:39:03,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (252)] Forceful destruction successful, exit code 0 [2023-12-02 23:39:03,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:03,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:39:03,320 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:39:03,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:39:03,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:03,320 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:03,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:39:03,321 INFO L229 MonitoredProcess]: Starting monitored process 253 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:39:03,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (253)] Waiting until timeout for monitored process [2023-12-02 23:39:03,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:03,597 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:03,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:03,637 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:39:03,639 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:04,214 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:39:04,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (253)] Ended with exit code 0 [2023-12-02 23:39:04,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:04,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:39:04,218 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:39:04,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:39:04,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:04,219 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:04,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:39:04,219 INFO L229 MonitoredProcess]: Starting monitored process 254 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:39:04,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (254)] Waiting until timeout for monitored process [2023-12-02 23:39:04,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:04,537 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:04,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:04,577 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:39:04,578 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:05,100 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:39:05,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (254)] Ended with exit code 0 [2023-12-02 23:39:05,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:05,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:39:05,106 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:39:05,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:39:05,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:05,106 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:05,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:39:05,107 INFO L229 MonitoredProcess]: Starting monitored process 255 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:39:05,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (255)] Waiting until timeout for monitored process [2023-12-02 23:39:05,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:05,355 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:05,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:05,392 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:39:05,393 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:05,908 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:39:05,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (255)] Ended with exit code 0 [2023-12-02 23:39:05,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:05,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:39:05,913 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:39:05,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:39:05,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:05,913 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:05,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:39:05,914 INFO L229 MonitoredProcess]: Starting monitored process 256 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:39:05,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (256)] Waiting until timeout for monitored process [2023-12-02 23:39:06,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:06,163 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:06,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:06,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:39:06,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:06,746 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:39:06,748 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (256)] Ended with exit code 0 [2023-12-02 23:39:06,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:06,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:39:06,751 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:39:06,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:39:06,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:06,751 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:06,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:39:06,752 INFO L229 MonitoredProcess]: Starting monitored process 257 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:39:06,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (257)] Waiting until timeout for monitored process [2023-12-02 23:39:07,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:07,042 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:07,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:07,083 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:39:07,084 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:07,625 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:39:07,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (257)] Ended with exit code 0 [2023-12-02 23:39:07,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:07,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:39:07,629 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:39:07,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:39:07,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:07,630 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:07,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:39:07,631 INFO L229 MonitoredProcess]: Starting monitored process 258 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:39:07,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (258)] Waiting until timeout for monitored process [2023-12-02 23:39:07,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:07,894 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:07,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:07,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:39:07,936 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:08,472 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:39:08,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (258)] Ended with exit code 0 [2023-12-02 23:39:08,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:08,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:39:08,477 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:39:08,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:39:08,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:08,477 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:08,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:39:08,478 INFO L229 MonitoredProcess]: Starting monitored process 259 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:39:08,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (259)] Waiting until timeout for monitored process [2023-12-02 23:39:08,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:08,747 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:08,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:08,792 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:39:08,793 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:09,344 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:39:09,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (259)] Ended with exit code 0 [2023-12-02 23:39:09,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:09,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:39:09,350 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:39:09,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:39:09,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:09,350 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:09,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:39:09,351 INFO L229 MonitoredProcess]: Starting monitored process 260 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:39:09,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (260)] Waiting until timeout for monitored process [2023-12-02 23:39:09,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:09,602 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:09,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:09,641 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:39:09,642 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:10,224 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:39:10,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (260)] Forceful destruction successful, exit code 0 [2023-12-02 23:39:10,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:10,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:39:10,230 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:39:10,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:39:10,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:10,230 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:10,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:39:10,231 INFO L229 MonitoredProcess]: Starting monitored process 261 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:39:10,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (261)] Waiting until timeout for monitored process [2023-12-02 23:39:10,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:10,506 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:10,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:10,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:39:10,546 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:11,055 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:39:11,057 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (261)] Ended with exit code 0 [2023-12-02 23:39:11,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:11,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:39:11,059 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:39:11,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:39:11,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:11,060 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:11,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:39:11,060 INFO L229 MonitoredProcess]: Starting monitored process 262 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:39:11,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (262)] Waiting until timeout for monitored process [2023-12-02 23:39:11,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:11,307 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:11,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:11,352 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:39:11,353 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:11,907 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:39:11,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (262)] Ended with exit code 0 [2023-12-02 23:39:11,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:11,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:39:11,911 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:39:11,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:39:11,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:11,911 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:11,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:39:11,912 INFO L229 MonitoredProcess]: Starting monitored process 263 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:39:11,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (263)] Waiting until timeout for monitored process [2023-12-02 23:39:12,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:12,158 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:12,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:12,199 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:39:12,201 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:12,765 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:39:12,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (263)] Ended with exit code 0 [2023-12-02 23:39:12,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:12,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:39:12,770 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:39:12,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:39:12,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:12,770 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:12,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:39:12,771 INFO L229 MonitoredProcess]: Starting monitored process 264 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:39:12,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (264)] Waiting until timeout for monitored process [2023-12-02 23:39:13,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:13,021 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:13,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:13,061 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:39:13,062 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:13,585 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:39:13,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (264)] Ended with exit code 0 [2023-12-02 23:39:13,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:13,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:39:13,589 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:39:13,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:39:13,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:13,590 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:13,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:39:13,590 INFO L229 MonitoredProcess]: Starting monitored process 265 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:39:13,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (265)] Waiting until timeout for monitored process [2023-12-02 23:39:13,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:13,827 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:13,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:13,866 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:39:13,867 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:14,387 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:39:14,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (265)] Ended with exit code 0 [2023-12-02 23:39:14,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:14,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:39:14,391 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:39:14,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:39:14,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:14,391 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:14,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:39:14,392 INFO L229 MonitoredProcess]: Starting monitored process 266 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:39:14,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (266)] Waiting until timeout for monitored process [2023-12-02 23:39:14,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:14,660 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:14,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:14,697 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:39:14,698 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:15,213 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:39:15,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (266)] Ended with exit code 0 [2023-12-02 23:39:15,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:15,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:39:15,217 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:39:15,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:39:15,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:15,218 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:15,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:39:15,218 INFO L229 MonitoredProcess]: Starting monitored process 267 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:39:15,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (267)] Waiting until timeout for monitored process [2023-12-02 23:39:15,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:15,457 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:15,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:15,498 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:39:15,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:16,057 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:39:16,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (267)] Ended with exit code 0 [2023-12-02 23:39:16,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:16,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:39:16,061 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:39:16,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:39:16,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:16,062 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:16,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:39:16,062 INFO L229 MonitoredProcess]: Starting monitored process 268 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:39:16,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (268)] Waiting until timeout for monitored process [2023-12-02 23:39:16,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:16,324 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:16,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:16,368 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:39:16,370 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:16,916 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:39:16,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (268)] Ended with exit code 0 [2023-12-02 23:39:16,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:16,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:39:16,920 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:39:16,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:39:16,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:16,920 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:16,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:39:16,921 INFO L229 MonitoredProcess]: Starting monitored process 269 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:39:16,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (269)] Waiting until timeout for monitored process [2023-12-02 23:39:17,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:17,181 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:17,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:17,223 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:39:17,224 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:17,762 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:39:17,764 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (269)] Ended with exit code 0 [2023-12-02 23:39:17,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:17,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:39:17,766 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:39:17,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:39:17,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:17,766 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:17,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:39:17,767 INFO L229 MonitoredProcess]: Starting monitored process 270 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:39:17,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (270)] Waiting until timeout for monitored process [2023-12-02 23:39:18,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:18,016 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:18,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:18,055 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:39:18,057 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:18,582 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:39:18,584 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (270)] Ended with exit code 0 [2023-12-02 23:39:18,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:18,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:39:18,587 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:39:18,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:39:18,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:18,587 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:18,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:39:18,588 INFO L229 MonitoredProcess]: Starting monitored process 271 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:39:18,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (271)] Waiting until timeout for monitored process [2023-12-02 23:39:18,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:18,867 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:18,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:18,902 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:39:18,903 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:19,445 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:39:19,447 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (271)] Ended with exit code 0 [2023-12-02 23:39:19,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:19,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:39:19,449 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:39:19,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:39:19,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:19,449 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:19,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:39:19,450 INFO L229 MonitoredProcess]: Starting monitored process 272 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:39:19,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (272)] Waiting until timeout for monitored process [2023-12-02 23:39:19,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:19,732 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:19,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:19,768 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:39:19,768 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:20,307 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:39:20,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (272)] Ended with exit code 0 [2023-12-02 23:39:20,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:20,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:39:20,312 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:39:20,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:39:20,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:20,313 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:20,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:39:20,313 INFO L229 MonitoredProcess]: Starting monitored process 273 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:39:20,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (273)] Waiting until timeout for monitored process [2023-12-02 23:39:20,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:20,567 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:20,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:20,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:39:20,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:21,182 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:39:21,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (273)] Forceful destruction successful, exit code 0 [2023-12-02 23:39:21,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:21,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:39:21,188 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:39:21,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:39:21,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:21,188 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:21,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:39:21,189 INFO L229 MonitoredProcess]: Starting monitored process 274 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:39:21,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (274)] Waiting until timeout for monitored process [2023-12-02 23:39:21,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:21,440 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:21,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:21,484 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:39:21,485 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:22,064 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:39:22,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (274)] Ended with exit code 0 [2023-12-02 23:39:22,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:22,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:39:22,069 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:39:22,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:39:22,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:22,069 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:22,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:39:22,070 INFO L229 MonitoredProcess]: Starting monitored process 275 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:39:22,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (275)] Waiting until timeout for monitored process [2023-12-02 23:39:22,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:22,336 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:22,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:22,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:39:22,382 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:22,976 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:39:22,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (275)] Ended with exit code 0 [2023-12-02 23:39:22,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:22,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:39:22,981 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:39:22,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:39:22,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:22,981 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:22,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:39:22,982 INFO L229 MonitoredProcess]: Starting monitored process 276 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:39:22,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (276)] Waiting until timeout for monitored process [2023-12-02 23:39:23,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:23,227 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:23,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:23,262 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:39:23,263 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:23,794 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:39:23,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (276)] Ended with exit code 0 [2023-12-02 23:39:23,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:23,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:39:23,799 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:39:23,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:39:23,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:23,799 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:23,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:39:23,800 INFO L229 MonitoredProcess]: Starting monitored process 277 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:39:23,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (277)] Waiting until timeout for monitored process [2023-12-02 23:39:24,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:24,056 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:24,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:24,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:39:24,094 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:24,612 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:39:24,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (277)] Ended with exit code 0 [2023-12-02 23:39:24,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:24,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:39:24,617 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:39:24,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:39:24,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:24,617 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:24,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:39:24,618 INFO L229 MonitoredProcess]: Starting monitored process 278 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:39:24,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (278)] Waiting until timeout for monitored process [2023-12-02 23:39:24,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:24,876 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:24,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:24,916 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:39:24,917 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:25,505 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:39:25,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (278)] Ended with exit code 0 [2023-12-02 23:39:25,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:25,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:39:25,509 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:39:25,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:39:25,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:25,510 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:25,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:39:25,510 INFO L229 MonitoredProcess]: Starting monitored process 279 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:39:25,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (279)] Waiting until timeout for monitored process [2023-12-02 23:39:25,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:25,765 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:25,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:25,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:39:25,806 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:26,366 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:39:26,369 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (279)] Ended with exit code 0 [2023-12-02 23:39:26,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:26,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:39:26,372 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:39:26,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:39:26,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:26,372 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:26,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:39:26,373 INFO L229 MonitoredProcess]: Starting monitored process 280 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:39:26,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (280)] Waiting until timeout for monitored process [2023-12-02 23:39:26,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:26,640 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:26,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:26,686 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:39:26,687 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:27,321 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:39:27,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (280)] Ended with exit code 0 [2023-12-02 23:39:27,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:27,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:39:27,326 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:39:27,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:39:27,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:27,327 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:27,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:39:27,327 INFO L229 MonitoredProcess]: Starting monitored process 281 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:39:27,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (281)] Waiting until timeout for monitored process [2023-12-02 23:39:27,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:27,600 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:27,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:27,641 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:39:27,642 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:28,171 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:39:28,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (281)] Ended with exit code 0 [2023-12-02 23:39:28,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:28,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:39:28,175 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:39:28,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:39:28,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:28,175 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:28,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:39:28,176 INFO L229 MonitoredProcess]: Starting monitored process 282 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:39:28,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (282)] Waiting until timeout for monitored process [2023-12-02 23:39:28,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:28,431 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:28,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:28,474 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:39:28,475 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:29,043 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:39:29,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (282)] Ended with exit code 0 [2023-12-02 23:39:29,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:29,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:39:29,047 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:39:29,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:39:29,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:29,048 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:29,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:39:29,048 INFO L229 MonitoredProcess]: Starting monitored process 283 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:39:29,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (283)] Waiting until timeout for monitored process [2023-12-02 23:39:29,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:29,299 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:29,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:29,340 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:39:29,341 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:29,887 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:39:29,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (283)] Ended with exit code 0 [2023-12-02 23:39:29,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:29,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:39:29,891 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:39:29,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:39:29,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:29,891 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:29,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:39:29,892 INFO L229 MonitoredProcess]: Starting monitored process 284 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:39:29,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (284)] Waiting until timeout for monitored process [2023-12-02 23:39:30,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:30,149 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:30,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:30,193 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:39:30,194 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:30,820 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:39:30,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (284)] Ended with exit code 0 [2023-12-02 23:39:30,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:30,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:39:30,825 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:39:30,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:39:30,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:30,825 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:30,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:39:30,825 INFO L229 MonitoredProcess]: Starting monitored process 285 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:39:30,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (285)] Waiting until timeout for monitored process [2023-12-02 23:39:31,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:31,079 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:31,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:31,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:39:31,125 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:31,667 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:39:31,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (285)] Ended with exit code 0 [2023-12-02 23:39:31,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:31,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:39:31,672 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:39:31,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:39:31,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:31,672 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:31,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:39:31,673 INFO L229 MonitoredProcess]: Starting monitored process 286 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:39:31,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (286)] Waiting until timeout for monitored process [2023-12-02 23:39:31,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:31,941 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:31,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:31,987 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:39:31,988 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:32,548 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:39:32,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (286)] Ended with exit code 0 [2023-12-02 23:39:32,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:32,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:39:32,552 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:39:32,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:39:32,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:32,552 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:32,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:39:32,553 INFO L229 MonitoredProcess]: Starting monitored process 287 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:39:32,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (287)] Waiting until timeout for monitored process [2023-12-02 23:39:32,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:32,806 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:32,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:32,846 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:39:32,847 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:33,385 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:39:33,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (287)] Ended with exit code 0 [2023-12-02 23:39:33,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:33,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:39:33,391 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:39:33,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:39:33,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:33,391 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:33,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:39:33,392 INFO L229 MonitoredProcess]: Starting monitored process 288 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:39:33,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (288)] Waiting until timeout for monitored process [2023-12-02 23:39:33,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:33,650 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:33,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:33,686 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:39:33,687 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:34,204 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:39:34,206 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (288)] Ended with exit code 0 [2023-12-02 23:39:34,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:34,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:39:34,209 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:39:34,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:39:34,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:34,209 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:34,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:39:34,210 INFO L229 MonitoredProcess]: Starting monitored process 289 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:39:34,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (289)] Waiting until timeout for monitored process [2023-12-02 23:39:34,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:34,502 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:34,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:34,543 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:39:34,544 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:35,090 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:39:35,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (289)] Ended with exit code 0 [2023-12-02 23:39:35,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:35,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:39:35,095 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:39:35,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:39:35,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:35,095 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:35,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:39:35,096 INFO L229 MonitoredProcess]: Starting monitored process 290 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:39:35,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (290)] Waiting until timeout for monitored process [2023-12-02 23:39:35,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:35,350 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:35,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:35,390 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:39:35,391 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:35,913 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:39:35,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (290)] Ended with exit code 0 [2023-12-02 23:39:35,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:35,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:39:35,917 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:39:35,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:39:35,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:35,917 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:35,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:39:35,918 INFO L229 MonitoredProcess]: Starting monitored process 291 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:39:35,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (291)] Waiting until timeout for monitored process [2023-12-02 23:39:36,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:36,179 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:36,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:36,222 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:39:36,223 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:36,769 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:39:36,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (291)] Ended with exit code 0 [2023-12-02 23:39:36,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:36,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:39:36,774 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:39:36,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:39:36,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:36,774 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:36,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:39:36,775 INFO L229 MonitoredProcess]: Starting monitored process 292 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:39:36,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (292)] Waiting until timeout for monitored process [2023-12-02 23:39:37,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:37,076 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:37,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:37,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:39:37,120 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:37,672 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:39:37,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (292)] Ended with exit code 0 [2023-12-02 23:39:37,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:37,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:39:37,678 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:39:37,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:39:37,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:37,678 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:37,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:39:37,679 INFO L229 MonitoredProcess]: Starting monitored process 293 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:39:37,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (293)] Waiting until timeout for monitored process [2023-12-02 23:39:37,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:37,952 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:37,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:37,993 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:39:37,995 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:38,560 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:39:38,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (293)] Ended with exit code 0 [2023-12-02 23:39:38,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:38,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:39:38,564 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:39:38,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:39:38,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:38,565 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:38,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:39:38,565 INFO L229 MonitoredProcess]: Starting monitored process 294 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:39:38,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (294)] Waiting until timeout for monitored process [2023-12-02 23:39:38,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:38,830 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:38,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:38,878 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:39:38,879 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:39,480 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:39:39,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (294)] Ended with exit code 0 [2023-12-02 23:39:39,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:39,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:39:39,485 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:39:39,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:39:39,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:39,485 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:39,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:39:39,486 INFO L229 MonitoredProcess]: Starting monitored process 295 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:39:39,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (295)] Waiting until timeout for monitored process [2023-12-02 23:39:39,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:39,762 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:39,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:39,813 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:39:39,814 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:40,421 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:39:40,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (295)] Ended with exit code 0 [2023-12-02 23:39:40,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:40,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:39:40,426 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:39:40,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:39:40,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:40,426 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:40,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:39:40,427 INFO L229 MonitoredProcess]: Starting monitored process 296 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:39:40,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (296)] Waiting until timeout for monitored process [2023-12-02 23:39:40,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:40,706 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:40,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:40,746 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:39:40,747 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:41,288 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:39:41,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (296)] Ended with exit code 0 [2023-12-02 23:39:41,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:41,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:39:41,292 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:39:41,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:39:41,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:41,292 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:41,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:39:41,293 INFO L229 MonitoredProcess]: Starting monitored process 297 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:39:41,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (297)] Waiting until timeout for monitored process [2023-12-02 23:39:41,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:41,525 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:41,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:41,564 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:39:41,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:42,127 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:39:42,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (297)] Ended with exit code 0 [2023-12-02 23:39:42,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:42,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:39:42,131 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:39:42,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:39:42,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:42,131 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:42,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:39:42,132 INFO L229 MonitoredProcess]: Starting monitored process 298 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:39:42,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (298)] Waiting until timeout for monitored process [2023-12-02 23:39:42,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:42,378 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:42,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:42,419 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:39:42,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:42,954 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:39:42,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (298)] Ended with exit code 0 [2023-12-02 23:39:42,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:42,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:39:42,959 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:39:42,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:39:42,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:42,959 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:42,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:39:42,960 INFO L229 MonitoredProcess]: Starting monitored process 299 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:39:42,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (299)] Waiting until timeout for monitored process [2023-12-02 23:39:43,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:43,207 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:43,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:43,255 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:39:43,256 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:43,797 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:39:43,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (299)] Ended with exit code 0 [2023-12-02 23:39:43,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:43,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:39:43,803 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:39:43,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:39:43,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:43,804 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:43,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:39:43,805 INFO L229 MonitoredProcess]: Starting monitored process 300 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:39:43,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (300)] Waiting until timeout for monitored process [2023-12-02 23:39:44,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:44,083 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:44,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:44,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:39:44,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:44,739 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:39:44,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (300)] Ended with exit code 0 [2023-12-02 23:39:44,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:44,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:39:44,744 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:39:44,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:39:44,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:44,744 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:44,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:39:44,745 INFO L229 MonitoredProcess]: Starting monitored process 301 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:39:44,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (301)] Waiting until timeout for monitored process [2023-12-02 23:39:44,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:44,995 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:45,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:45,033 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:39:45,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:45,621 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:39:45,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (301)] Ended with exit code 0 [2023-12-02 23:39:45,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:45,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:39:45,626 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:39:45,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:39:45,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:45,626 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:45,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:39:45,627 INFO L229 MonitoredProcess]: Starting monitored process 302 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:39:45,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (302)] Waiting until timeout for monitored process [2023-12-02 23:39:45,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:45,880 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:45,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:45,921 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:39:45,921 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:46,498 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:39:46,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (302)] Ended with exit code 0 [2023-12-02 23:39:46,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:46,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:39:46,503 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:39:46,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:39:46,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:46,503 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:46,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:39:46,504 INFO L229 MonitoredProcess]: Starting monitored process 303 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:39:46,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (303)] Waiting until timeout for monitored process [2023-12-02 23:39:46,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:46,756 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:46,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:46,794 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:39:46,795 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:47,345 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:39:47,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (303)] Ended with exit code 0 [2023-12-02 23:39:47,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:47,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:39:47,350 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:39:47,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:39:47,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:47,350 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:47,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:39:47,351 INFO L229 MonitoredProcess]: Starting monitored process 304 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:39:47,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (304)] Waiting until timeout for monitored process [2023-12-02 23:39:47,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:47,602 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:47,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:47,645 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:39:47,646 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:48,212 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:39:48,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (304)] Ended with exit code 0 [2023-12-02 23:39:48,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:48,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:39:48,217 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:39:48,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:39:48,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:48,217 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:48,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:39:48,218 INFO L229 MonitoredProcess]: Starting monitored process 305 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:39:48,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (305)] Waiting until timeout for monitored process [2023-12-02 23:39:48,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:48,473 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:48,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:48,518 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:39:48,519 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:49,067 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:39:49,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (305)] Ended with exit code 0 [2023-12-02 23:39:49,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:49,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:39:49,072 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:39:49,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:39:49,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:49,072 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:49,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:39:49,073 INFO L229 MonitoredProcess]: Starting monitored process 306 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:39:49,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (306)] Waiting until timeout for monitored process [2023-12-02 23:39:49,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:49,350 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:49,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:49,392 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:39:49,393 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:49,967 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:39:49,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (306)] Ended with exit code 0 [2023-12-02 23:39:49,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:49,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:39:49,971 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:39:49,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:39:49,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:49,972 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:49,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:39:49,973 INFO L229 MonitoredProcess]: Starting monitored process 307 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:39:49,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (307)] Waiting until timeout for monitored process [2023-12-02 23:39:50,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:50,216 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:50,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:50,257 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:39:50,258 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:50,800 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:39:50,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (307)] Ended with exit code 0 [2023-12-02 23:39:50,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:50,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:39:50,806 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:39:50,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:39:50,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:50,806 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:50,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:39:50,807 INFO L229 MonitoredProcess]: Starting monitored process 308 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:39:50,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (308)] Waiting until timeout for monitored process [2023-12-02 23:39:51,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:51,072 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:51,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:51,118 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:39:51,119 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:51,710 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:39:51,712 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (308)] Ended with exit code 0 [2023-12-02 23:39:51,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:51,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:39:51,715 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:39:51,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:39:51,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:51,716 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:51,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:39:51,716 INFO L229 MonitoredProcess]: Starting monitored process 309 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:39:51,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (309)] Waiting until timeout for monitored process [2023-12-02 23:39:51,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:51,977 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:52,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:52,022 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:39:52,023 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:52,647 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:39:52,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (309)] Ended with exit code 0 [2023-12-02 23:39:52,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:52,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:39:52,653 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:39:52,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:39:52,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:52,653 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:52,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:39:52,654 INFO L229 MonitoredProcess]: Starting monitored process 310 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:39:52,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (310)] Waiting until timeout for monitored process [2023-12-02 23:39:52,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:52,909 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:52,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:52,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:39:52,950 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:53,489 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:39:53,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (310)] Forceful destruction successful, exit code 0 [2023-12-02 23:39:53,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:53,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:39:53,494 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:39:53,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:39:53,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:53,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:53,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:39:53,495 INFO L229 MonitoredProcess]: Starting monitored process 311 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:39:53,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (311)] Waiting until timeout for monitored process [2023-12-02 23:39:53,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:53,783 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:53,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:53,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:39:53,828 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:54,376 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:39:54,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (311)] Ended with exit code 0 [2023-12-02 23:39:54,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:54,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:39:54,381 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:39:54,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:39:54,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:54,381 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:54,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:39:54,382 INFO L229 MonitoredProcess]: Starting monitored process 312 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:39:54,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (312)] Waiting until timeout for monitored process [2023-12-02 23:39:54,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:54,647 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:54,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:54,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:39:54,689 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:55,258 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:39:55,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (312)] Ended with exit code 0 [2023-12-02 23:39:55,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:55,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:39:55,263 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:39:55,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:39:55,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:55,263 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:55,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:39:55,264 INFO L229 MonitoredProcess]: Starting monitored process 313 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:39:55,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (313)] Waiting until timeout for monitored process [2023-12-02 23:39:55,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:55,542 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:55,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:55,584 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:39:55,585 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:56,136 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:39:56,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (313)] Ended with exit code 0 [2023-12-02 23:39:56,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:56,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:39:56,141 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:39:56,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:39:56,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:56,141 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:56,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:39:56,142 INFO L229 MonitoredProcess]: Starting monitored process 314 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:39:56,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (314)] Waiting until timeout for monitored process [2023-12-02 23:39:56,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:56,398 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:56,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:56,436 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:39:56,437 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:57,014 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:39:57,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (314)] Ended with exit code 0 [2023-12-02 23:39:57,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:57,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:39:57,018 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:39:57,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:39:57,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:57,018 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:57,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:39:57,019 INFO L229 MonitoredProcess]: Starting monitored process 315 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:39:57,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (315)] Waiting until timeout for monitored process [2023-12-02 23:39:57,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:57,272 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:57,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:57,314 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:39:57,315 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:57,910 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:39:57,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (315)] Ended with exit code 0 [2023-12-02 23:39:57,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:57,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:39:57,915 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:39:57,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:39:57,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:57,915 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:57,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:39:57,916 INFO L229 MonitoredProcess]: Starting monitored process 316 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:39:57,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (316)] Waiting until timeout for monitored process [2023-12-02 23:39:58,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:58,176 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:58,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:58,218 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:39:58,219 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:58,769 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:39:58,771 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (316)] Ended with exit code 0 [2023-12-02 23:39:58,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:58,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:39:58,774 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:39:58,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:39:58,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:58,774 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:58,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:39:58,775 INFO L229 MonitoredProcess]: Starting monitored process 317 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:39:58,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (317)] Waiting until timeout for monitored process [2023-12-02 23:39:59,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:59,023 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:59,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:59,067 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:39:59,068 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:59,649 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:39:59,651 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (317)] Forceful destruction successful, exit code 0 [2023-12-02 23:39:59,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:39:59,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:39:59,654 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:39:59,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:39:59,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:39:59,654 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:39:59,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:39:59,655 INFO L229 MonitoredProcess]: Starting monitored process 318 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:39:59,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (318)] Waiting until timeout for monitored process [2023-12-02 23:39:59,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:59,901 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:59,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:59,940 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:39:59,940 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:00,507 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:40:00,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (318)] Ended with exit code 0 [2023-12-02 23:40:00,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:00,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:40:00,512 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:40:00,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:40:00,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:00,512 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:00,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:00,513 INFO L229 MonitoredProcess]: Starting monitored process 319 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:00,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (319)] Waiting until timeout for monitored process [2023-12-02 23:40:00,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:00,770 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:00,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:00,812 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:40:00,813 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:01,453 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:40:01,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (319)] Ended with exit code 0 [2023-12-02 23:40:01,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:01,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:40:01,458 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:40:01,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:40:01,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:01,458 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:01,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:01,459 INFO L229 MonitoredProcess]: Starting monitored process 320 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:01,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (320)] Waiting until timeout for monitored process [2023-12-02 23:40:01,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:01,720 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:01,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:01,758 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:40:01,759 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:02,354 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:40:02,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (320)] Forceful destruction successful, exit code 0 [2023-12-02 23:40:02,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:02,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:40:02,359 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:40:02,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:40:02,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:02,359 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:02,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:02,360 INFO L229 MonitoredProcess]: Starting monitored process 321 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:02,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (321)] Waiting until timeout for monitored process [2023-12-02 23:40:02,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:02,607 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:02,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:02,653 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:40:02,654 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:03,253 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:40:03,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (321)] Ended with exit code 0 [2023-12-02 23:40:03,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:03,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:40:03,257 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:40:03,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:40:03,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:03,257 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:03,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:03,258 INFO L229 MonitoredProcess]: Starting monitored process 322 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:03,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (322)] Waiting until timeout for monitored process [2023-12-02 23:40:03,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:03,519 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:03,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:03,564 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:40:03,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:04,147 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:40:04,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (322)] Ended with exit code 0 [2023-12-02 23:40:04,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:04,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:40:04,152 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:40:04,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:40:04,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:04,152 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:04,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:04,153 INFO L229 MonitoredProcess]: Starting monitored process 323 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:04,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (323)] Waiting until timeout for monitored process [2023-12-02 23:40:04,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:04,412 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:04,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:04,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:40:04,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:05,070 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:40:05,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (323)] Ended with exit code 0 [2023-12-02 23:40:05,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:05,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:40:05,075 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:40:05,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:40:05,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:05,075 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:05,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:05,076 INFO L229 MonitoredProcess]: Starting monitored process 324 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:05,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (324)] Waiting until timeout for monitored process [2023-12-02 23:40:05,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:05,321 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:05,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:05,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:40:05,367 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:05,965 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:40:05,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (324)] Ended with exit code 0 [2023-12-02 23:40:05,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:05,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:40:05,970 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:40:05,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:40:05,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:05,970 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:05,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:05,971 INFO L229 MonitoredProcess]: Starting monitored process 325 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:05,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (325)] Waiting until timeout for monitored process [2023-12-02 23:40:06,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:06,234 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:06,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:06,276 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:40:06,277 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:06,842 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:40:06,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (325)] Ended with exit code 0 [2023-12-02 23:40:06,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:06,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:40:06,847 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:40:06,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:40:06,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:06,848 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:06,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:06,849 INFO L229 MonitoredProcess]: Starting monitored process 326 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:06,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (326)] Waiting until timeout for monitored process [2023-12-02 23:40:07,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:07,104 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:07,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:07,147 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:40:07,148 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:07,706 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:40:07,708 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (326)] Forceful destruction successful, exit code 0 [2023-12-02 23:40:07,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:07,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:40:07,711 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:40:07,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:40:07,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:07,712 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:07,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:07,712 INFO L229 MonitoredProcess]: Starting monitored process 327 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:07,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (327)] Waiting until timeout for monitored process [2023-12-02 23:40:07,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:07,968 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:08,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:08,008 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:40:08,009 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:08,605 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:40:08,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (327)] Ended with exit code 0 [2023-12-02 23:40:08,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:08,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:40:08,609 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:40:08,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:40:08,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:08,610 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:08,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:08,610 INFO L229 MonitoredProcess]: Starting monitored process 328 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:08,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (328)] Waiting until timeout for monitored process [2023-12-02 23:40:08,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:08,936 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:08,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:08,983 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:40:08,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:09,558 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:40:09,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (328)] Ended with exit code 0 [2023-12-02 23:40:09,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:09,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:40:09,562 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:40:09,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:40:09,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:09,562 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:09,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:09,563 INFO L229 MonitoredProcess]: Starting monitored process 329 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:09,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (329)] Waiting until timeout for monitored process [2023-12-02 23:40:09,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:09,803 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:09,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:09,846 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:40:09,847 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:10,408 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:40:10,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (329)] Forceful destruction successful, exit code 0 [2023-12-02 23:40:10,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:10,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:40:10,412 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:40:10,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:40:10,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:10,413 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:10,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:10,413 INFO L229 MonitoredProcess]: Starting monitored process 330 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:10,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (330)] Waiting until timeout for monitored process [2023-12-02 23:40:10,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:10,680 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:10,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:10,727 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:40:10,728 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:11,342 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:40:11,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (330)] Ended with exit code 0 [2023-12-02 23:40:11,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:11,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:40:11,347 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:40:11,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:40:11,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:11,347 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:11,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:11,348 INFO L229 MonitoredProcess]: Starting monitored process 331 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:11,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (331)] Waiting until timeout for monitored process [2023-12-02 23:40:11,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:11,660 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:11,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:11,709 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:40:11,711 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:12,362 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:40:12,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (331)] Ended with exit code 0 [2023-12-02 23:40:12,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:12,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:40:12,366 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:40:12,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:40:12,366 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:12,366 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:12,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:12,367 INFO L229 MonitoredProcess]: Starting monitored process 332 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:12,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (332)] Waiting until timeout for monitored process [2023-12-02 23:40:12,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:12,657 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:12,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:12,708 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:40:12,709 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:13,366 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:40:13,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (332)] Ended with exit code 0 [2023-12-02 23:40:13,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:13,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:40:13,371 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:40:13,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:40:13,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:13,372 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:13,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:13,372 INFO L229 MonitoredProcess]: Starting monitored process 333 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:13,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (333)] Waiting until timeout for monitored process [2023-12-02 23:40:13,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:13,682 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:13,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:13,728 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:40:13,729 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:14,334 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:40:14,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (333)] Ended with exit code 0 [2023-12-02 23:40:14,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:14,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:40:14,338 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:40:14,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:40:14,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:14,338 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:14,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:14,339 INFO L229 MonitoredProcess]: Starting monitored process 334 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:14,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (334)] Waiting until timeout for monitored process [2023-12-02 23:40:14,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:14,588 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:14,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:14,626 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:40:14,627 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:15,193 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:40:15,195 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (334)] Ended with exit code 0 [2023-12-02 23:40:15,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:15,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:40:15,197 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:40:15,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:40:15,197 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:15,197 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:15,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:15,198 INFO L229 MonitoredProcess]: Starting monitored process 335 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:15,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (335)] Waiting until timeout for monitored process [2023-12-02 23:40:15,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:15,450 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:15,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:15,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:40:15,491 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:16,092 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:40:16,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (335)] Ended with exit code 0 [2023-12-02 23:40:16,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:16,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:40:16,097 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:40:16,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:40:16,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:16,097 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:16,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:16,098 INFO L229 MonitoredProcess]: Starting monitored process 336 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:16,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (336)] Waiting until timeout for monitored process [2023-12-02 23:40:16,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:16,430 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:16,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:16,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:40:16,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:17,036 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:40:17,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (336)] Ended with exit code 0 [2023-12-02 23:40:17,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:17,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:40:17,041 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:40:17,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:40:17,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:17,041 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:17,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:17,042 INFO L229 MonitoredProcess]: Starting monitored process 337 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:17,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (337)] Waiting until timeout for monitored process [2023-12-02 23:40:17,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:17,329 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:17,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:17,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:40:17,378 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:17,958 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:40:17,960 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (337)] Ended with exit code 0 [2023-12-02 23:40:17,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:17,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:40:17,963 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:40:17,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:40:17,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:17,964 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:17,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:17,964 INFO L229 MonitoredProcess]: Starting monitored process 338 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:17,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (338)] Waiting until timeout for monitored process [2023-12-02 23:40:18,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:18,239 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:18,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:18,286 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:40:18,287 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:18,875 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:40:18,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (338)] Ended with exit code 0 [2023-12-02 23:40:18,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:18,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:40:18,880 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:40:18,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:40:18,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:18,880 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:18,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:18,881 INFO L229 MonitoredProcess]: Starting monitored process 339 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:18,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (339)] Waiting until timeout for monitored process [2023-12-02 23:40:19,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:19,175 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:19,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:19,222 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:40:19,224 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:19,842 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:40:19,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (339)] Ended with exit code 0 [2023-12-02 23:40:19,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:19,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:40:19,846 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:40:19,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:40:19,846 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:19,846 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:19,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:19,847 INFO L229 MonitoredProcess]: Starting monitored process 340 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:19,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (340)] Waiting until timeout for monitored process [2023-12-02 23:40:20,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:20,158 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:20,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:20,205 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:40:20,206 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:20,796 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:40:20,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (340)] Ended with exit code 0 [2023-12-02 23:40:20,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:20,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:40:20,802 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:40:20,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:40:20,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:20,802 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:20,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:20,803 INFO L229 MonitoredProcess]: Starting monitored process 341 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:20,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (341)] Waiting until timeout for monitored process [2023-12-02 23:40:21,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:21,103 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:21,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:21,154 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:40:21,155 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:21,757 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:40:21,759 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (341)] Ended with exit code 0 [2023-12-02 23:40:21,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:21,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:40:21,761 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:40:21,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:40:21,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:21,762 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:21,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:21,762 INFO L229 MonitoredProcess]: Starting monitored process 342 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:21,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (342)] Waiting until timeout for monitored process [2023-12-02 23:40:22,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:22,028 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:22,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:22,070 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:40:22,071 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:22,694 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:40:22,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (342)] Ended with exit code 0 [2023-12-02 23:40:22,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:22,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:40:22,698 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:40:22,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:40:22,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:22,699 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:22,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:22,700 INFO L229 MonitoredProcess]: Starting monitored process 343 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:22,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (343)] Waiting until timeout for monitored process [2023-12-02 23:40:22,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:22,961 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:23,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:23,004 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:40:23,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:23,571 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:40:23,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (343)] Forceful destruction successful, exit code 0 [2023-12-02 23:40:23,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:23,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:40:23,576 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:40:23,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:40:23,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:23,576 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:23,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:23,577 INFO L229 MonitoredProcess]: Starting monitored process 344 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:23,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (344)] Waiting until timeout for monitored process [2023-12-02 23:40:23,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:23,855 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:23,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:23,907 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:40:23,908 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:24,516 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:40:24,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (344)] Ended with exit code 0 [2023-12-02 23:40:24,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:24,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:40:24,521 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:40:24,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:40:24,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:24,521 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:24,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:24,522 INFO L229 MonitoredProcess]: Starting monitored process 345 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:24,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (345)] Waiting until timeout for monitored process [2023-12-02 23:40:24,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:24,802 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:24,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:24,857 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:40:24,858 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:25,482 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:40:25,484 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (345)] Forceful destruction successful, exit code 0 [2023-12-02 23:40:25,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:25,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:40:25,487 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:40:25,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:40:25,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:25,487 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:25,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:25,488 INFO L229 MonitoredProcess]: Starting monitored process 346 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:25,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (346)] Waiting until timeout for monitored process [2023-12-02 23:40:25,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:25,744 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:25,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:25,783 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:40:25,784 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:26,395 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:40:26,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (346)] Ended with exit code 0 [2023-12-02 23:40:26,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:26,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:40:26,400 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:40:26,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:40:26,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:26,400 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:26,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:26,401 INFO L229 MonitoredProcess]: Starting monitored process 347 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:26,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (347)] Waiting until timeout for monitored process [2023-12-02 23:40:26,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:26,700 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:26,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:26,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:40:26,748 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:27,413 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:40:27,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (347)] Forceful destruction successful, exit code 0 [2023-12-02 23:40:27,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:27,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:40:27,418 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:40:27,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:40:27,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:27,419 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:27,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:27,420 INFO L229 MonitoredProcess]: Starting monitored process 348 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:27,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (348)] Waiting until timeout for monitored process [2023-12-02 23:40:27,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:27,748 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:27,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:27,794 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:40:27,796 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:28,462 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:40:28,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (348)] Ended with exit code 0 [2023-12-02 23:40:28,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:28,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:40:28,467 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:40:28,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:40:28,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:28,467 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:28,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:28,468 INFO L229 MonitoredProcess]: Starting monitored process 349 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:28,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (349)] Waiting until timeout for monitored process [2023-12-02 23:40:28,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:28,751 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:28,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:28,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:40:28,793 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:29,343 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:40:29,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (349)] Ended with exit code 0 [2023-12-02 23:40:29,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:29,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:40:29,347 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:40:29,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:40:29,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:29,347 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:29,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:29,348 INFO L229 MonitoredProcess]: Starting monitored process 350 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:29,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (350)] Waiting until timeout for monitored process [2023-12-02 23:40:29,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:29,589 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:29,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:29,626 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:40:29,627 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:30,156 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:40:30,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (350)] Ended with exit code 0 [2023-12-02 23:40:30,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:30,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:40:30,161 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:40:30,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:40:30,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:30,161 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:30,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:30,162 INFO L229 MonitoredProcess]: Starting monitored process 351 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:30,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (351)] Waiting until timeout for monitored process [2023-12-02 23:40:30,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:30,466 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:30,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:30,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:40:30,512 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:31,062 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:40:31,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (351)] Forceful destruction successful, exit code 0 [2023-12-02 23:40:31,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:31,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:40:31,066 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:40:31,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:40:31,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:31,067 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:31,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:31,067 INFO L229 MonitoredProcess]: Starting monitored process 352 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:31,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (352)] Waiting until timeout for monitored process [2023-12-02 23:40:31,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:31,330 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:31,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:31,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:40:31,376 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:31,931 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:40:31,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (352)] Ended with exit code 0 [2023-12-02 23:40:31,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:31,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:40:31,935 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:40:31,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:40:31,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:31,936 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:31,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:31,936 INFO L229 MonitoredProcess]: Starting monitored process 353 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:31,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (353)] Waiting until timeout for monitored process [2023-12-02 23:40:32,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:32,190 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:32,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:32,232 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:40:32,233 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:32,794 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:40:32,796 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (353)] Forceful destruction successful, exit code 0 [2023-12-02 23:40:32,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:32,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:40:32,799 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:40:32,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:40:32,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:32,799 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:32,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:32,800 INFO L229 MonitoredProcess]: Starting monitored process 354 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:32,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (354)] Waiting until timeout for monitored process [2023-12-02 23:40:33,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:33,053 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:33,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:33,095 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:40:33,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:33,691 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:40:33,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (354)] Ended with exit code 0 [2023-12-02 23:40:33,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:33,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:40:33,696 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:40:33,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:40:33,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:33,696 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:33,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:33,697 INFO L229 MonitoredProcess]: Starting monitored process 355 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:33,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (355)] Waiting until timeout for monitored process [2023-12-02 23:40:34,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:34,034 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:34,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:34,087 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:40:34,088 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:34,654 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:40:34,656 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (355)] Ended with exit code 0 [2023-12-02 23:40:34,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:34,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:40:34,658 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:40:34,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:40:34,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:34,658 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:34,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:34,659 INFO L229 MonitoredProcess]: Starting monitored process 356 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:34,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (356)] Waiting until timeout for monitored process [2023-12-02 23:40:34,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:34,921 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:34,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:34,962 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:40:34,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:35,541 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:40:35,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (356)] Ended with exit code 0 [2023-12-02 23:40:35,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:35,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:40:35,545 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:40:35,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:40:35,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:35,545 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:35,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:35,546 INFO L229 MonitoredProcess]: Starting monitored process 357 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:35,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (357)] Waiting until timeout for monitored process [2023-12-02 23:40:35,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:35,803 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:35,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:35,843 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:40:35,844 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:36,419 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:40:36,421 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (357)] Ended with exit code 0 [2023-12-02 23:40:36,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:36,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:40:36,424 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:40:36,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:40:36,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:36,424 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:36,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:36,425 INFO L229 MonitoredProcess]: Starting monitored process 358 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:36,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (358)] Waiting until timeout for monitored process [2023-12-02 23:40:36,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:36,706 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:36,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:36,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:40:36,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:37,338 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:40:37,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (358)] Ended with exit code 0 [2023-12-02 23:40:37,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:37,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:40:37,344 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:40:37,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:40:37,344 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:37,344 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:37,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:37,345 INFO L229 MonitoredProcess]: Starting monitored process 359 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:37,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (359)] Waiting until timeout for monitored process [2023-12-02 23:40:37,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:37,641 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:37,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:37,683 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:40:37,684 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:38,235 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:40:38,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (359)] Ended with exit code 0 [2023-12-02 23:40:38,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:38,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:40:38,239 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:40:38,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:40:38,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:38,239 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:38,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:38,240 INFO L229 MonitoredProcess]: Starting monitored process 360 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:38,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (360)] Waiting until timeout for monitored process [2023-12-02 23:40:38,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:38,539 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:38,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:38,583 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:40:38,584 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:39,175 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:40:39,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (360)] Ended with exit code 0 [2023-12-02 23:40:39,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:39,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:40:39,181 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:40:39,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:40:39,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:39,181 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:39,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:39,182 INFO L229 MonitoredProcess]: Starting monitored process 361 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:39,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (361)] Waiting until timeout for monitored process [2023-12-02 23:40:39,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:39,440 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:39,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:39,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:40:39,484 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:40,047 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:40:40,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (361)] Ended with exit code 0 [2023-12-02 23:40:40,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:40,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:40:40,052 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:40:40,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:40:40,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:40,052 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:40,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:40,053 INFO L229 MonitoredProcess]: Starting monitored process 362 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:40,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (362)] Waiting until timeout for monitored process [2023-12-02 23:40:40,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:40,318 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:40,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:40,359 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:40:40,360 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:40,940 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:40:40,942 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (362)] Ended with exit code 0 [2023-12-02 23:40:40,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:40,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:40:40,946 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:40:40,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:40:40,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:40,946 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:40,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:40,947 INFO L229 MonitoredProcess]: Starting monitored process 363 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:40,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (363)] Waiting until timeout for monitored process [2023-12-02 23:40:41,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:41,198 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:41,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:41,243 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:40:41,244 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:41,825 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:40:41,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (363)] Ended with exit code 0 [2023-12-02 23:40:41,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:41,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:40:41,829 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:40:41,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:40:41,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:41,829 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:41,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:41,830 INFO L229 MonitoredProcess]: Starting monitored process 364 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:41,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (364)] Waiting until timeout for monitored process [2023-12-02 23:40:42,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:42,098 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:42,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:42,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:40:42,143 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:42,742 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:40:42,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (364)] Ended with exit code 0 [2023-12-02 23:40:42,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:42,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:40:42,747 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:40:42,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:40:42,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:42,747 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:42,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:42,748 INFO L229 MonitoredProcess]: Starting monitored process 365 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:42,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (365)] Waiting until timeout for monitored process [2023-12-02 23:40:43,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:43,006 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:43,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:43,049 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:40:43,050 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:43,623 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:40:43,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (365)] Ended with exit code 0 [2023-12-02 23:40:43,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:43,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:40:43,627 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:40:43,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:40:43,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:43,628 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:43,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:43,628 INFO L229 MonitoredProcess]: Starting monitored process 366 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:43,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (366)] Waiting until timeout for monitored process [2023-12-02 23:40:43,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:43,885 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:43,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:43,924 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:40:43,925 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:44,499 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:40:44,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (366)] Ended with exit code 0 [2023-12-02 23:40:44,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:44,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:40:44,503 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:40:44,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:40:44,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:44,504 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:44,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:44,504 INFO L229 MonitoredProcess]: Starting monitored process 367 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:44,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (367)] Waiting until timeout for monitored process [2023-12-02 23:40:44,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:44,759 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:44,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:44,801 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:40:44,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:45,395 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:40:45,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (367)] Ended with exit code 0 [2023-12-02 23:40:45,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:45,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:40:45,400 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:40:45,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:40:45,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:45,400 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:45,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:45,401 INFO L229 MonitoredProcess]: Starting monitored process 368 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:45,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (368)] Waiting until timeout for monitored process [2023-12-02 23:40:45,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:45,651 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:45,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:45,690 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:40:45,691 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:46,265 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:40:46,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (368)] Forceful destruction successful, exit code 0 [2023-12-02 23:40:46,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:46,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:40:46,269 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:40:46,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:40:46,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:46,270 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:46,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:46,270 INFO L229 MonitoredProcess]: Starting monitored process 369 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:46,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (369)] Waiting until timeout for monitored process [2023-12-02 23:40:46,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:46,534 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:46,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:46,577 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:40:46,578 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:47,207 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:40:47,209 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (369)] Ended with exit code 0 [2023-12-02 23:40:47,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:47,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:40:47,212 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:40:47,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:40:47,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:47,212 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:47,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:47,213 INFO L229 MonitoredProcess]: Starting monitored process 370 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:47,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (370)] Waiting until timeout for monitored process [2023-12-02 23:40:47,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:47,477 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:47,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:47,520 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:40:47,521 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:48,109 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:40:48,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (370)] Ended with exit code 0 [2023-12-02 23:40:48,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:48,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:40:48,114 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:40:48,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:40:48,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:48,114 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:48,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:48,115 INFO L229 MonitoredProcess]: Starting monitored process 371 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:48,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (371)] Waiting until timeout for monitored process [2023-12-02 23:40:48,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:48,375 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:48,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:48,422 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:40:48,423 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:48,989 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:40:48,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (371)] Ended with exit code 0 [2023-12-02 23:40:48,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:48,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:40:48,994 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:40:48,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:40:48,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:48,994 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:48,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:48,995 INFO L229 MonitoredProcess]: Starting monitored process 372 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:48,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (372)] Waiting until timeout for monitored process [2023-12-02 23:40:49,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:49,254 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:49,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:49,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:40:49,303 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:49,917 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:40:49,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (372)] Ended with exit code 0 [2023-12-02 23:40:49,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:49,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:40:49,921 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:40:49,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:40:49,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:49,922 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:49,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:49,923 INFO L229 MonitoredProcess]: Starting monitored process 373 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:49,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (373)] Waiting until timeout for monitored process [2023-12-02 23:40:50,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:50,217 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:50,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:50,264 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:40:50,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:50,932 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:40:50,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (373)] Ended with exit code 0 [2023-12-02 23:40:50,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:50,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:40:50,938 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:40:50,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:40:50,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:50,939 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:50,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:50,940 INFO L229 MonitoredProcess]: Starting monitored process 374 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:50,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (374)] Waiting until timeout for monitored process [2023-12-02 23:40:51,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:51,242 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:51,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:51,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core WARNING: YOUR LOGFILE WAS TOO LONG, SOME LINES IN THE MIDDLE WERE REMOVED. [2023-12-02 23:42:45,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:45,411 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:42:45,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:45,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:42:45,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:42:46,063 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:42:46,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (490)] Ended with exit code 0 [2023-12-02 23:42:46,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:46,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:42:46,067 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:42:46,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:42:46,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:46,068 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:42:46,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:42:46,068 INFO L229 MonitoredProcess]: Starting monitored process 491 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:42:46,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (491)] Waiting until timeout for monitored process [2023-12-02 23:42:46,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:46,322 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:42:46,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:46,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:42:46,367 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:42:46,970 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:42:46,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (491)] Ended with exit code 0 [2023-12-02 23:42:46,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:46,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:42:46,975 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:42:46,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:42:46,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:46,975 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:42:46,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:42:46,976 INFO L229 MonitoredProcess]: Starting monitored process 492 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:42:46,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (492)] Waiting until timeout for monitored process [2023-12-02 23:42:47,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:47,250 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:42:47,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:47,297 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:42:47,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:42:47,904 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:42:47,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (492)] Ended with exit code 0 [2023-12-02 23:42:47,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:47,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:42:47,909 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:42:47,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:42:47,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:47,909 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:42:47,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:42:47,909 INFO L229 MonitoredProcess]: Starting monitored process 493 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:42:47,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (493)] Waiting until timeout for monitored process [2023-12-02 23:42:48,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:48,168 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:42:48,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:48,209 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:42:48,210 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:42:48,901 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:42:48,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (493)] Ended with exit code 0 [2023-12-02 23:42:48,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:48,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:42:48,906 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:42:48,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:42:48,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:48,906 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:42:48,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:42:48,907 INFO L229 MonitoredProcess]: Starting monitored process 494 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:42:48,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (494)] Waiting until timeout for monitored process [2023-12-02 23:42:49,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:49,217 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:42:49,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:49,275 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:42:49,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:42:49,983 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:42:49,986 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (494)] Ended with exit code 0 [2023-12-02 23:42:49,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:49,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:42:49,989 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:42:49,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:42:49,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:49,989 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:42:49,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:42:49,990 INFO L229 MonitoredProcess]: Starting monitored process 495 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:42:49,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (495)] Waiting until timeout for monitored process [2023-12-02 23:42:50,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:50,298 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:42:50,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:50,354 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:42:50,356 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:42:51,055 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:42:51,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (495)] Forceful destruction successful, exit code 0 [2023-12-02 23:42:51,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:51,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:42:51,062 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:42:51,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:42:51,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:51,062 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:42:51,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:42:51,063 INFO L229 MonitoredProcess]: Starting monitored process 496 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:42:51,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (496)] Waiting until timeout for monitored process [2023-12-02 23:42:51,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:51,360 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:42:51,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:51,414 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:42:51,415 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:42:52,167 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:42:52,170 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (496)] Forceful destruction successful, exit code 0 [2023-12-02 23:42:52,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:52,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:42:52,173 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:42:52,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:42:52,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:52,173 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:42:52,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:42:52,174 INFO L229 MonitoredProcess]: Starting monitored process 497 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:42:52,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (497)] Waiting until timeout for monitored process [2023-12-02 23:42:52,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:52,519 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:42:52,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:52,569 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:42:52,570 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:42:53,295 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:42:53,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (497)] Ended with exit code 0 [2023-12-02 23:42:53,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:53,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:42:53,301 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:42:53,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:42:53,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:53,301 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:42:53,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:42:53,302 INFO L229 MonitoredProcess]: Starting monitored process 498 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:42:53,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (498)] Waiting until timeout for monitored process [2023-12-02 23:42:53,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:53,610 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:42:53,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:53,665 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:42:53,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:42:54,380 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:42:54,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (498)] Ended with exit code 0 [2023-12-02 23:42:54,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:54,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:42:54,385 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:42:54,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:42:54,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:54,386 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:42:54,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:42:54,386 INFO L229 MonitoredProcess]: Starting monitored process 499 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:42:54,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (499)] Waiting until timeout for monitored process [2023-12-02 23:42:54,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:54,692 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:42:54,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:54,740 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:42:54,741 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:42:55,461 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:42:55,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (499)] Ended with exit code 0 [2023-12-02 23:42:55,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:55,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:42:55,468 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:42:55,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:42:55,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:55,468 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:42:55,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:42:55,469 INFO L229 MonitoredProcess]: Starting monitored process 500 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:42:55,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (500)] Waiting until timeout for monitored process [2023-12-02 23:42:55,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:55,781 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:42:55,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:55,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:42:55,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:42:56,596 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:42:56,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (500)] Ended with exit code 0 [2023-12-02 23:42:56,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:56,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:42:56,601 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:42:56,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:42:56,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:56,602 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:42:56,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:42:56,603 INFO L229 MonitoredProcess]: Starting monitored process 501 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:42:56,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (501)] Waiting until timeout for monitored process [2023-12-02 23:42:56,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:56,914 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:42:56,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:56,967 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:42:56,968 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:42:57,648 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:42:57,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (501)] Ended with exit code 0 [2023-12-02 23:42:57,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:57,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:42:57,653 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:42:57,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:42:57,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:57,653 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:42:57,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:42:57,654 INFO L229 MonitoredProcess]: Starting monitored process 502 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:42:57,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (502)] Waiting until timeout for monitored process [2023-12-02 23:42:57,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:57,943 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:42:57,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:57,989 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:42:57,991 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:42:58,652 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:42:58,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (502)] Ended with exit code 0 [2023-12-02 23:42:58,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:58,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:42:58,658 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:42:58,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:42:58,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:58,658 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:42:58,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:42:58,659 INFO L229 MonitoredProcess]: Starting monitored process 503 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:42:58,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (503)] Waiting until timeout for monitored process [2023-12-02 23:42:58,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:58,963 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:42:59,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:59,012 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:42:59,013 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:42:59,672 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:42:59,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (503)] Ended with exit code 0 [2023-12-02 23:42:59,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:59,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:42:59,677 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:42:59,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:42:59,677 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:59,678 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:42:59,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:42:59,678 INFO L229 MonitoredProcess]: Starting monitored process 504 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:42:59,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (504)] Waiting until timeout for monitored process [2023-12-02 23:42:59,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:59,942 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:42:59,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:59,987 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:42:59,988 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:00,650 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:43:00,653 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (504)] Forceful destruction successful, exit code 0 [2023-12-02 23:43:00,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:00,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:43:00,655 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:43:00,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:43:00,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:00,656 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:00,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:00,657 INFO L229 MonitoredProcess]: Starting monitored process 505 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:00,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (505)] Waiting until timeout for monitored process [2023-12-02 23:43:00,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:00,944 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:00,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:00,993 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:43:00,995 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:01,678 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:43:01,681 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (505)] Ended with exit code 0 [2023-12-02 23:43:01,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:01,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:43:01,684 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:43:01,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:43:01,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:01,684 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:01,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:01,685 INFO L229 MonitoredProcess]: Starting monitored process 506 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:01,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (506)] Waiting until timeout for monitored process [2023-12-02 23:43:01,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:01,974 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:02,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:02,025 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:43:02,026 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:02,742 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:43:02,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (506)] Ended with exit code 0 [2023-12-02 23:43:02,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:02,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:43:02,748 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:43:02,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:43:02,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:02,748 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:02,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:02,749 INFO L229 MonitoredProcess]: Starting monitored process 507 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:02,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (507)] Waiting until timeout for monitored process [2023-12-02 23:43:03,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:03,010 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:03,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:03,057 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:43:03,058 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:03,690 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:43:03,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (507)] Forceful destruction successful, exit code 0 [2023-12-02 23:43:03,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:03,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:43:03,694 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:43:03,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:43:03,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:03,695 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:03,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:03,695 INFO L229 MonitoredProcess]: Starting monitored process 508 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:03,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (508)] Waiting until timeout for monitored process [2023-12-02 23:43:03,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:03,942 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:03,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:03,985 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:43:03,986 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:04,619 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:43:04,622 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (508)] Ended with exit code 0 [2023-12-02 23:43:04,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:04,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:43:04,624 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:43:04,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:43:04,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:04,624 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:04,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:04,625 INFO L229 MonitoredProcess]: Starting monitored process 509 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:04,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (509)] Waiting until timeout for monitored process [2023-12-02 23:43:04,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:04,899 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:04,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:04,944 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:43:04,945 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:05,594 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:43:05,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (509)] Ended with exit code 0 [2023-12-02 23:43:05,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:05,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:43:05,600 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:43:05,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:43:05,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:05,601 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:05,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:05,601 INFO L229 MonitoredProcess]: Starting monitored process 510 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:05,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (510)] Waiting until timeout for monitored process [2023-12-02 23:43:05,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:05,889 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:05,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:05,940 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:43:05,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:06,633 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:43:06,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (510)] Ended with exit code 0 [2023-12-02 23:43:06,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:06,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:43:06,640 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:43:06,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:43:06,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:06,640 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:06,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:06,641 INFO L229 MonitoredProcess]: Starting monitored process 511 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:06,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (511)] Waiting until timeout for monitored process [2023-12-02 23:43:06,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:06,936 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:06,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:06,983 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:43:06,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:07,679 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:43:07,682 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (511)] Ended with exit code 0 [2023-12-02 23:43:07,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:07,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:43:07,685 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:43:07,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:43:07,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:07,686 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:07,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:07,687 INFO L229 MonitoredProcess]: Starting monitored process 512 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:07,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (512)] Waiting until timeout for monitored process [2023-12-02 23:43:07,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:07,980 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:08,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:08,031 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:43:08,032 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:08,735 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:43:08,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (512)] Ended with exit code 0 [2023-12-02 23:43:08,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:08,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:43:08,741 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:43:08,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:43:08,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:08,741 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:08,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:08,742 INFO L229 MonitoredProcess]: Starting monitored process 513 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:08,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (513)] Waiting until timeout for monitored process [2023-12-02 23:43:09,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:09,041 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:09,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:09,096 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:43:09,097 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:09,793 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:43:09,796 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (513)] Forceful destruction successful, exit code 0 [2023-12-02 23:43:09,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:09,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:43:09,800 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:43:09,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:43:09,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:09,800 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:09,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:09,801 INFO L229 MonitoredProcess]: Starting monitored process 514 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:09,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (514)] Waiting until timeout for monitored process [2023-12-02 23:43:10,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:10,103 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:10,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:10,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:43:10,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:10,824 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:43:10,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (514)] Forceful destruction successful, exit code 0 [2023-12-02 23:43:10,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:10,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:43:10,830 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:43:10,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:43:10,831 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:10,831 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:10,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:10,832 INFO L229 MonitoredProcess]: Starting monitored process 515 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:10,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (515)] Waiting until timeout for monitored process [2023-12-02 23:43:11,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:11,123 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:11,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:11,169 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:43:11,170 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:11,819 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:43:11,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (515)] Ended with exit code 0 [2023-12-02 23:43:11,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:11,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:43:11,825 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:43:11,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:43:11,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:11,825 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:11,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:11,826 INFO L229 MonitoredProcess]: Starting monitored process 516 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:11,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (516)] Waiting until timeout for monitored process [2023-12-02 23:43:12,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:12,106 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:12,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:12,152 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:43:12,153 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:12,846 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:43:12,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (516)] Ended with exit code 0 [2023-12-02 23:43:12,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:12,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:43:12,851 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:43:12,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:43:12,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:12,852 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:12,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:12,853 INFO L229 MonitoredProcess]: Starting monitored process 517 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:12,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (517)] Waiting until timeout for monitored process [2023-12-02 23:43:13,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:13,134 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:13,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:13,184 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:43:13,185 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:13,879 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:43:13,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (517)] Ended with exit code 0 [2023-12-02 23:43:13,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:13,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:43:13,884 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:43:13,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:43:13,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:13,884 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:13,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:13,885 INFO L229 MonitoredProcess]: Starting monitored process 518 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:13,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (518)] Waiting until timeout for monitored process [2023-12-02 23:43:14,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:14,172 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:14,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:14,222 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:43:14,223 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:14,894 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:43:14,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (518)] Ended with exit code 0 [2023-12-02 23:43:14,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:14,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:43:14,899 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:43:14,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:43:14,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:14,900 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:14,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:14,901 INFO L229 MonitoredProcess]: Starting monitored process 519 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:14,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (519)] Waiting until timeout for monitored process [2023-12-02 23:43:15,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:15,190 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:15,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:15,243 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:43:15,244 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:15,902 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:43:15,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (519)] Ended with exit code 0 [2023-12-02 23:43:15,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:15,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:43:15,908 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:43:15,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:43:15,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:15,908 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:15,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:15,909 INFO L229 MonitoredProcess]: Starting monitored process 520 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:15,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (520)] Waiting until timeout for monitored process [2023-12-02 23:43:16,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:16,197 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:16,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:16,245 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:43:16,246 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:16,916 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:43:16,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (520)] Ended with exit code 0 [2023-12-02 23:43:16,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:16,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:43:16,922 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:43:16,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:43:16,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:16,923 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:16,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:16,924 INFO L229 MonitoredProcess]: Starting monitored process 521 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:16,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (521)] Waiting until timeout for monitored process [2023-12-02 23:43:17,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:17,218 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:17,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:17,267 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:43:17,268 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:17,925 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:43:17,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (521)] Ended with exit code 0 [2023-12-02 23:43:17,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:17,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:43:17,931 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:43:17,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:43:17,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:17,931 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:17,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:17,932 INFO L229 MonitoredProcess]: Starting monitored process 522 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:17,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (522)] Waiting until timeout for monitored process [2023-12-02 23:43:18,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:18,219 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:18,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:18,267 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:43:18,268 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:18,931 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:43:18,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (522)] Ended with exit code 0 [2023-12-02 23:43:18,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:18,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:43:18,937 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:43:18,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:43:18,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:18,938 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:18,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:18,939 INFO L229 MonitoredProcess]: Starting monitored process 523 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:18,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (523)] Waiting until timeout for monitored process [2023-12-02 23:43:19,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:19,241 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:19,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:19,293 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:43:19,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:19,969 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:43:19,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (523)] Ended with exit code 0 [2023-12-02 23:43:19,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:19,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:43:19,975 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:43:19,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:43:19,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:19,975 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:19,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:19,976 INFO L229 MonitoredProcess]: Starting monitored process 524 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:19,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (524)] Waiting until timeout for monitored process [2023-12-02 23:43:20,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:20,286 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:20,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:20,336 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:43:20,338 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:21,001 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:43:21,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (524)] Ended with exit code 0 [2023-12-02 23:43:21,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:21,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:43:21,007 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:43:21,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:43:21,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:21,007 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:21,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:21,008 INFO L229 MonitoredProcess]: Starting monitored process 525 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:21,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (525)] Waiting until timeout for monitored process [2023-12-02 23:43:21,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:21,264 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:21,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:21,307 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:43:21,307 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:21,953 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:43:21,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (525)] Ended with exit code 0 [2023-12-02 23:43:21,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:21,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:43:21,959 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:43:21,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:43:21,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:21,959 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:21,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:21,960 INFO L229 MonitoredProcess]: Starting monitored process 526 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:21,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (526)] Waiting until timeout for monitored process [2023-12-02 23:43:22,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:22,259 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:22,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:22,307 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:43:22,308 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:23,017 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:43:23,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (526)] Forceful destruction successful, exit code 0 [2023-12-02 23:43:23,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:23,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:43:23,022 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:43:23,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:43:23,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:23,023 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:23,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:23,023 INFO L229 MonitoredProcess]: Starting monitored process 527 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:23,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (527)] Waiting until timeout for monitored process [2023-12-02 23:43:23,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:23,322 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:23,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:23,374 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:43:23,375 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:24,100 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:43:24,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (527)] Ended with exit code 0 [2023-12-02 23:43:24,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:24,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:43:24,105 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:43:24,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:43:24,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:24,106 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:24,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:24,107 INFO L229 MonitoredProcess]: Starting monitored process 528 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:24,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (528)] Waiting until timeout for monitored process [2023-12-02 23:43:24,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:24,400 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:24,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:24,450 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:43:24,452 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:25,160 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:43:25,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (528)] Ended with exit code 0 [2023-12-02 23:43:25,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:25,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:43:25,166 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:43:25,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:43:25,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:25,166 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:25,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:25,167 INFO L229 MonitoredProcess]: Starting monitored process 529 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:25,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (529)] Waiting until timeout for monitored process [2023-12-02 23:43:25,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:25,473 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:25,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:25,523 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:43:25,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:26,243 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:43:26,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (529)] Ended with exit code 0 [2023-12-02 23:43:26,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:26,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:43:26,249 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:43:26,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:43:26,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:26,249 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:26,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:26,250 INFO L229 MonitoredProcess]: Starting monitored process 530 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:26,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (530)] Waiting until timeout for monitored process [2023-12-02 23:43:26,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:26,547 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:26,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:26,596 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:43:26,597 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:27,294 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:43:27,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (530)] Ended with exit code 0 [2023-12-02 23:43:27,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:27,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:43:27,300 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:43:27,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:43:27,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:27,300 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:27,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:27,301 INFO L229 MonitoredProcess]: Starting monitored process 531 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:27,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (531)] Waiting until timeout for monitored process [2023-12-02 23:43:27,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:27,615 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:27,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:27,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:43:27,668 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:28,377 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:43:28,380 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (531)] Ended with exit code 0 [2023-12-02 23:43:28,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:28,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:43:28,382 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:43:28,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:43:28,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:28,383 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:28,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:28,384 INFO L229 MonitoredProcess]: Starting monitored process 532 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:28,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (532)] Waiting until timeout for monitored process [2023-12-02 23:43:28,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:28,694 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:28,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:28,746 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:43:28,747 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:29,448 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:43:29,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (532)] Ended with exit code 0 [2023-12-02 23:43:29,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:29,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:43:29,453 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:43:29,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:43:29,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:29,454 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:29,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:29,455 INFO L229 MonitoredProcess]: Starting monitored process 533 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:29,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (533)] Waiting until timeout for monitored process [2023-12-02 23:43:29,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:29,752 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:29,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:29,806 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:43:29,807 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:30,507 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:43:30,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (533)] Ended with exit code 0 [2023-12-02 23:43:30,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:30,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:43:30,513 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:43:30,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:43:30,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:30,513 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:30,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:30,514 INFO L229 MonitoredProcess]: Starting monitored process 534 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:30,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (534)] Waiting until timeout for monitored process [2023-12-02 23:43:30,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:30,815 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:30,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:30,868 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:43:30,869 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:31,560 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:43:31,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (534)] Ended with exit code 0 [2023-12-02 23:43:31,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:31,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:43:31,565 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:43:31,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:43:31,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:31,565 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:31,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:31,566 INFO L229 MonitoredProcess]: Starting monitored process 535 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:31,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (535)] Waiting until timeout for monitored process [2023-12-02 23:43:31,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:31,852 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:31,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:31,902 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:43:31,903 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:32,562 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:43:32,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (535)] Ended with exit code 0 [2023-12-02 23:43:32,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:32,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:43:32,567 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:43:32,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:43:32,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:32,568 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:32,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:32,568 INFO L229 MonitoredProcess]: Starting monitored process 536 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:32,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (536)] Waiting until timeout for monitored process [2023-12-02 23:43:32,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:32,844 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:32,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:32,890 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:43:32,891 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:33,545 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:43:33,548 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (536)] Ended with exit code 0 [2023-12-02 23:43:33,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:33,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:43:33,550 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:43:33,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:43:33,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:33,551 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:33,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:33,552 INFO L229 MonitoredProcess]: Starting monitored process 537 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:33,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (537)] Waiting until timeout for monitored process [2023-12-02 23:43:33,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:33,839 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:33,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:33,890 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:43:33,891 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:34,587 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:43:34,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (537)] Ended with exit code 0 [2023-12-02 23:43:34,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:34,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:43:34,593 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:43:34,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:43:34,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:34,593 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:34,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:34,594 INFO L229 MonitoredProcess]: Starting monitored process 538 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:34,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (538)] Waiting until timeout for monitored process [2023-12-02 23:43:34,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:34,880 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:34,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:34,929 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:43:34,931 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:35,613 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:43:35,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (538)] Ended with exit code 0 [2023-12-02 23:43:35,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:35,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:43:35,619 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:43:35,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:43:35,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:35,619 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:35,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:35,620 INFO L229 MonitoredProcess]: Starting monitored process 539 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:35,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (539)] Waiting until timeout for monitored process [2023-12-02 23:43:35,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:35,906 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:35,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:35,955 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:43:35,956 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:36,613 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:43:36,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (539)] Ended with exit code 0 [2023-12-02 23:43:36,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:36,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:43:36,619 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:43:36,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:43:36,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:36,619 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:36,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:36,620 INFO L229 MonitoredProcess]: Starting monitored process 540 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:36,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (540)] Waiting until timeout for monitored process [2023-12-02 23:43:36,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:36,907 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:36,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:36,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:43:36,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:37,632 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:43:37,635 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (540)] Forceful destruction successful, exit code 0 [2023-12-02 23:43:37,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:37,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:43:37,638 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:43:37,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:43:37,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:37,639 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:37,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:37,639 INFO L229 MonitoredProcess]: Starting monitored process 541 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:37,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (541)] Waiting until timeout for monitored process [2023-12-02 23:43:37,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:37,921 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:37,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:37,968 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:43:37,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:38,630 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:43:38,633 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (541)] Ended with exit code 0 [2023-12-02 23:43:38,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:38,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:43:38,635 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:43:38,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:43:38,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:38,636 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:38,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:38,637 INFO L229 MonitoredProcess]: Starting monitored process 542 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:38,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (542)] Waiting until timeout for monitored process [2023-12-02 23:43:38,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:38,917 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:38,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:38,962 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:43:38,963 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:39,629 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:43:39,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (542)] Ended with exit code 0 [2023-12-02 23:43:39,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:39,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:43:39,635 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:43:39,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:43:39,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:39,635 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:39,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:39,636 INFO L229 MonitoredProcess]: Starting monitored process 543 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:39,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (543)] Waiting until timeout for monitored process [2023-12-02 23:43:39,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:39,923 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:39,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:39,969 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:43:39,971 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:40,619 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:43:40,622 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (543)] Ended with exit code 0 [2023-12-02 23:43:40,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:40,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:43:40,625 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:43:40,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:43:40,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:40,625 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:40,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:40,626 INFO L229 MonitoredProcess]: Starting monitored process 544 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:40,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (544)] Waiting until timeout for monitored process [2023-12-02 23:43:40,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:40,892 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:40,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:40,934 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:43:40,935 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:41,564 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:43:41,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (544)] Ended with exit code 0 [2023-12-02 23:43:41,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:41,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:43:41,569 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:43:41,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:43:41,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:41,569 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:41,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:41,570 INFO L229 MonitoredProcess]: Starting monitored process 545 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:41,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (545)] Waiting until timeout for monitored process [2023-12-02 23:43:41,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:41,846 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:41,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:41,894 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:43:41,895 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:42,571 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:43:42,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (545)] Ended with exit code 0 [2023-12-02 23:43:42,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:42,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:43:42,578 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:43:42,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:43:42,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:42,578 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:42,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:42,579 INFO L229 MonitoredProcess]: Starting monitored process 546 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:42,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (546)] Waiting until timeout for monitored process [2023-12-02 23:43:42,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:42,853 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:42,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:42,901 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:43:42,902 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:43,547 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:43:43,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (546)] Ended with exit code 0 [2023-12-02 23:43:43,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:43,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:43:43,554 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:43:43,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:43:43,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:43,554 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:43,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:43,555 INFO L229 MonitoredProcess]: Starting monitored process 547 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:43,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (547)] Waiting until timeout for monitored process [2023-12-02 23:43:43,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:43,838 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:43,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:43,887 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:43:43,888 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:44,571 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:43:44,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (547)] Ended with exit code 0 [2023-12-02 23:43:44,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:44,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:43:44,577 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:43:44,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:43:44,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:44,577 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:44,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:44,578 INFO L229 MonitoredProcess]: Starting monitored process 548 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:44,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (548)] Waiting until timeout for monitored process [2023-12-02 23:43:44,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:44,862 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:44,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:44,913 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:43:44,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:45,587 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:43:45,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (548)] Ended with exit code 0 [2023-12-02 23:43:45,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:45,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:43:45,593 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:43:45,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:43:45,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:45,593 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:45,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:45,594 INFO L229 MonitoredProcess]: Starting monitored process 549 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:45,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (549)] Waiting until timeout for monitored process [2023-12-02 23:43:45,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:45,866 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:45,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:45,915 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:43:45,916 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:46,590 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:43:46,592 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (549)] Ended with exit code 0 [2023-12-02 23:43:46,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:46,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:43:46,595 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:43:46,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:43:46,595 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:46,595 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:46,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:46,596 INFO L229 MonitoredProcess]: Starting monitored process 550 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:46,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (550)] Waiting until timeout for monitored process [2023-12-02 23:43:46,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:46,879 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:46,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:46,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:43:46,932 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:47,599 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:43:47,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (550)] Ended with exit code 0 [2023-12-02 23:43:47,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:47,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:43:47,604 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:43:47,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:43:47,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:47,604 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:47,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:47,605 INFO L229 MonitoredProcess]: Starting monitored process 551 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:47,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (551)] Waiting until timeout for monitored process [2023-12-02 23:43:47,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:47,882 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:47,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:47,929 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:43:47,930 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:48,585 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:43:48,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (551)] Ended with exit code 0 [2023-12-02 23:43:48,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:48,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:43:48,594 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:43:48,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:43:48,594 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:48,594 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:48,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:48,595 INFO L229 MonitoredProcess]: Starting monitored process 552 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:48,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (552)] Waiting until timeout for monitored process [2023-12-02 23:43:48,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:48,874 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:48,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:48,919 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:43:48,920 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:49,574 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:43:49,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (552)] Ended with exit code 0 [2023-12-02 23:43:49,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:49,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:43:49,580 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:43:49,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:43:49,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:49,581 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:49,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:49,581 INFO L229 MonitoredProcess]: Starting monitored process 553 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:49,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (553)] Waiting until timeout for monitored process [2023-12-02 23:43:49,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:49,852 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:49,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:49,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:43:49,900 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:50,523 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:43:50,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (553)] Forceful destruction successful, exit code 0 [2023-12-02 23:43:50,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:50,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:43:50,529 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:43:50,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:43:50,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:50,529 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:50,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:50,530 INFO L229 MonitoredProcess]: Starting monitored process 554 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:50,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (554)] Waiting until timeout for monitored process [2023-12-02 23:43:50,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:50,818 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:50,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:50,867 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:43:50,868 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:51,539 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:43:51,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (554)] Ended with exit code 0 [2023-12-02 23:43:51,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:51,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:43:51,544 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:43:51,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:43:51,544 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:51,544 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:51,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:51,545 INFO L229 MonitoredProcess]: Starting monitored process 555 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:51,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (555)] Waiting until timeout for monitored process [2023-12-02 23:43:51,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:51,816 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:51,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:51,861 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:43:51,862 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:52,507 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:43:52,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (555)] Ended with exit code 0 [2023-12-02 23:43:52,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:52,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:43:52,511 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:43:52,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:43:52,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:52,512 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:52,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:52,513 INFO L229 MonitoredProcess]: Starting monitored process 556 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:52,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (556)] Waiting until timeout for monitored process [2023-12-02 23:43:52,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:52,770 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:52,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:52,817 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:43:52,818 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:53,439 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:43:53,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (556)] Ended with exit code 0 [2023-12-02 23:43:53,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:53,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:43:53,444 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:43:53,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:43:53,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:53,444 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:53,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:53,445 INFO L229 MonitoredProcess]: Starting monitored process 557 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:53,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (557)] Waiting until timeout for monitored process [2023-12-02 23:43:53,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:53,709 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:53,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:53,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:43:53,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:54,336 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:43:54,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (557)] Ended with exit code 0 [2023-12-02 23:43:54,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:54,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:43:54,341 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:43:54,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:43:54,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:54,341 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:54,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:54,342 INFO L229 MonitoredProcess]: Starting monitored process 558 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:54,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (558)] Waiting until timeout for monitored process [2023-12-02 23:43:54,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:54,595 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:54,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:54,637 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:43:54,638 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:55,237 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:43:55,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (558)] Ended with exit code 0 [2023-12-02 23:43:55,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:55,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:43:55,241 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:43:55,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:43:55,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:55,241 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:55,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:55,242 INFO L229 MonitoredProcess]: Starting monitored process 559 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:55,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (559)] Waiting until timeout for monitored process [2023-12-02 23:43:55,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:55,501 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:55,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:55,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:43:55,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:56,245 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:43:56,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (559)] Ended with exit code 0 [2023-12-02 23:43:56,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:56,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:43:56,250 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:43:56,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:43:56,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:56,251 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:56,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:56,251 INFO L229 MonitoredProcess]: Starting monitored process 560 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:56,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (560)] Waiting until timeout for monitored process [2023-12-02 23:43:56,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:56,552 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:56,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:56,597 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:43:56,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:57,193 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:43:57,196 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (560)] Ended with exit code 0 [2023-12-02 23:43:57,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:57,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:43:57,198 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:43:57,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:43:57,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:57,199 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:57,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:57,200 INFO L229 MonitoredProcess]: Starting monitored process 561 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:57,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (561)] Waiting until timeout for monitored process [2023-12-02 23:43:57,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:57,438 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:57,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:57,480 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:43:57,481 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:58,186 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:43:58,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (561)] Ended with exit code 0 [2023-12-02 23:43:58,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:58,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:43:58,191 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:43:58,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:43:58,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:58,192 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:58,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:58,192 INFO L229 MonitoredProcess]: Starting monitored process 562 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:58,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (562)] Waiting until timeout for monitored process [2023-12-02 23:43:58,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:58,504 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:58,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:58,558 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:43:58,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:59,326 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:43:59,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (562)] Ended with exit code 0 [2023-12-02 23:43:59,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:59,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:43:59,332 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:43:59,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:43:59,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:59,332 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:59,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:59,333 INFO L229 MonitoredProcess]: Starting monitored process 563 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:59,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (563)] Waiting until timeout for monitored process [2023-12-02 23:43:59,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:59,633 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:59,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:59,682 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:43:59,683 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:00,407 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:44:00,410 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (563)] Ended with exit code 0 [2023-12-02 23:44:00,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:00,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:44:00,412 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:44:00,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:44:00,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:00,413 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:00,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:00,414 INFO L229 MonitoredProcess]: Starting monitored process 564 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:00,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (564)] Waiting until timeout for monitored process [2023-12-02 23:44:00,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:00,696 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:00,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:00,741 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:44:00,742 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:01,467 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:44:01,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (564)] Ended with exit code 0 [2023-12-02 23:44:01,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:01,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:44:01,473 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:44:01,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:44:01,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:01,473 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:01,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:01,474 INFO L229 MonitoredProcess]: Starting monitored process 565 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:01,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (565)] Waiting until timeout for monitored process [2023-12-02 23:44:01,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:01,778 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:01,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:01,828 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:44:01,830 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:02,444 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:44:02,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (565)] Ended with exit code 0 [2023-12-02 23:44:02,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:02,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:44:02,448 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:44:02,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:44:02,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:02,449 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:02,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:02,449 INFO L229 MonitoredProcess]: Starting monitored process 566 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:02,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (566)] Waiting until timeout for monitored process [2023-12-02 23:44:02,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:02,703 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:02,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:02,758 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:44:02,759 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:03,423 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:44:03,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (566)] Ended with exit code 0 [2023-12-02 23:44:03,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:03,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:44:03,433 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:44:03,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:44:03,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:03,433 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:03,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:03,434 INFO L229 MonitoredProcess]: Starting monitored process 567 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:03,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (567)] Waiting until timeout for monitored process [2023-12-02 23:44:03,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:03,726 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:03,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:03,770 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:44:03,771 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:04,402 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:44:04,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (567)] Ended with exit code 0 [2023-12-02 23:44:04,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:04,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:44:04,406 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:44:04,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:44:04,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:04,407 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:04,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:04,407 INFO L229 MonitoredProcess]: Starting monitored process 568 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:04,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (568)] Waiting until timeout for monitored process [2023-12-02 23:44:04,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:04,656 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:04,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:04,702 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:44:04,703 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:05,321 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:44:05,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (568)] Ended with exit code 0 [2023-12-02 23:44:05,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:05,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:44:05,325 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:44:05,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:44:05,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:05,325 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:05,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:05,326 INFO L229 MonitoredProcess]: Starting monitored process 569 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:05,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (569)] Waiting until timeout for monitored process [2023-12-02 23:44:05,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:05,577 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:05,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:05,623 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:44:05,624 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:06,260 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:44:06,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (569)] Ended with exit code 0 [2023-12-02 23:44:06,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:06,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:44:06,266 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:44:06,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:44:06,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:06,266 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:06,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:06,267 INFO L229 MonitoredProcess]: Starting monitored process 570 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:06,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (570)] Waiting until timeout for monitored process [2023-12-02 23:44:06,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:06,531 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:06,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:06,579 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:44:06,580 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:07,252 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:44:07,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (570)] Ended with exit code 0 [2023-12-02 23:44:07,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:07,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:44:07,258 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:44:07,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:44:07,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:07,258 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:07,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:07,259 INFO L229 MonitoredProcess]: Starting monitored process 571 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:07,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (571)] Waiting until timeout for monitored process [2023-12-02 23:44:07,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:07,548 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:07,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:07,599 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:44:07,600 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:08,339 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:44:08,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (571)] Ended with exit code 0 [2023-12-02 23:44:08,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:08,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:44:08,344 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:44:08,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:44:08,344 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:08,345 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:08,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:08,345 INFO L229 MonitoredProcess]: Starting monitored process 572 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:08,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (572)] Waiting until timeout for monitored process [2023-12-02 23:44:08,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:08,644 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:08,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:08,700 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:44:08,701 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:09,375 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:44:09,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (572)] Ended with exit code 0 [2023-12-02 23:44:09,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:09,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:44:09,379 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:44:09,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:44:09,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:09,380 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:09,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:09,380 INFO L229 MonitoredProcess]: Starting monitored process 573 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:09,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (573)] Waiting until timeout for monitored process [2023-12-02 23:44:09,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:09,628 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:09,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:09,674 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:44:09,675 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:10,281 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:44:10,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (573)] Ended with exit code 0 [2023-12-02 23:44:10,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:10,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:44:10,286 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:44:10,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:44:10,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:10,287 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:10,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:10,287 INFO L229 MonitoredProcess]: Starting monitored process 574 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:10,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (574)] Waiting until timeout for monitored process [2023-12-02 23:44:10,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:10,550 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:10,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:10,598 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:44:10,599 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:11,238 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:44:11,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (574)] Ended with exit code 0 [2023-12-02 23:44:11,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:11,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:44:11,243 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:44:11,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:44:11,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:11,244 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:11,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:11,244 INFO L229 MonitoredProcess]: Starting monitored process 575 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:11,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (575)] Waiting until timeout for monitored process [2023-12-02 23:44:11,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:11,493 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:11,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:11,544 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:44:11,545 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:12,246 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:44:12,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (575)] Ended with exit code 0 [2023-12-02 23:44:12,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:12,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:44:12,252 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:44:12,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:44:12,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:12,252 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:12,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:12,253 INFO L229 MonitoredProcess]: Starting monitored process 576 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:12,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (576)] Waiting until timeout for monitored process [2023-12-02 23:44:12,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:12,535 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:12,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:12,588 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:44:12,589 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:13,334 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:44:13,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (576)] Forceful destruction successful, exit code 0 [2023-12-02 23:44:13,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:13,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:44:13,340 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:44:13,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:44:13,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:13,341 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:13,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:13,341 INFO L229 MonitoredProcess]: Starting monitored process 577 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:13,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (577)] Waiting until timeout for monitored process [2023-12-02 23:44:13,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:13,653 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:13,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:13,711 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:44:13,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:14,474 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:44:14,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (577)] Ended with exit code 0 [2023-12-02 23:44:14,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:14,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:44:14,480 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:44:14,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:44:14,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:14,480 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:14,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:14,481 INFO L229 MonitoredProcess]: Starting monitored process 578 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:14,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (578)] Waiting until timeout for monitored process [2023-12-02 23:44:14,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:14,795 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:14,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:14,852 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:44:14,853 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:15,590 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:44:15,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (578)] Ended with exit code 0 [2023-12-02 23:44:15,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:15,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:44:15,596 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:44:15,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:44:15,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:15,596 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:15,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:15,597 INFO L229 MonitoredProcess]: Starting monitored process 579 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:15,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (579)] Waiting until timeout for monitored process [2023-12-02 23:44:15,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:15,905 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:15,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:15,964 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:44:15,965 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:16,686 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:44:16,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (579)] Ended with exit code 0 [2023-12-02 23:44:16,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:16,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:44:16,693 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:44:16,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:44:16,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:16,693 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:16,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:16,694 INFO L229 MonitoredProcess]: Starting monitored process 580 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:16,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (580)] Waiting until timeout for monitored process [2023-12-02 23:44:17,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:17,020 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:17,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:17,078 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:44:17,080 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:17,820 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:44:17,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (580)] Ended with exit code 0 [2023-12-02 23:44:17,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:17,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:44:17,825 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:44:17,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:44:17,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:17,826 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:17,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:17,826 INFO L229 MonitoredProcess]: Starting monitored process 581 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:17,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (581)] Waiting until timeout for monitored process [2023-12-02 23:44:18,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:18,144 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:18,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:18,197 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:44:18,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:18,937 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:44:18,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (581)] Ended with exit code 0 [2023-12-02 23:44:18,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:18,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:44:18,942 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:44:18,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:44:18,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:18,943 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:18,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:18,944 INFO L229 MonitoredProcess]: Starting monitored process 582 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:18,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (582)] Waiting until timeout for monitored process [2023-12-02 23:44:19,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:19,247 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:19,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:19,296 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:44:19,297 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:19,967 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:44:19,970 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (582)] Ended with exit code 0 [2023-12-02 23:44:19,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:19,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:44:19,973 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:44:19,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:44:19,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:19,973 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:19,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:19,974 INFO L229 MonitoredProcess]: Starting monitored process 583 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:19,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (583)] Waiting until timeout for monitored process [2023-12-02 23:44:20,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:20,223 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:20,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:20,264 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:44:20,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:20,855 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:44:20,858 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (583)] Ended with exit code 0 [2023-12-02 23:44:20,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:20,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:44:20,861 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:44:20,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:44:20,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:20,861 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:20,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:20,862 INFO L229 MonitoredProcess]: Starting monitored process 584 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:20,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (584)] Waiting until timeout for monitored process [2023-12-02 23:44:21,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:21,127 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:21,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:21,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:44:21,180 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:21,850 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:44:21,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (584)] Ended with exit code 0 [2023-12-02 23:44:21,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:21,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:44:21,855 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:44:21,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:44:21,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:21,855 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:21,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:21,856 INFO L229 MonitoredProcess]: Starting monitored process 585 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:21,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (585)] Waiting until timeout for monitored process [2023-12-02 23:44:22,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:22,117 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:22,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:22,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:44:22,159 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:22,856 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:44:22,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (585)] Ended with exit code 0 [2023-12-02 23:44:22,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:22,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:44:22,862 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:44:22,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:44:22,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:22,863 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:22,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:22,864 INFO L229 MonitoredProcess]: Starting monitored process 586 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:22,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (586)] Waiting until timeout for monitored process [2023-12-02 23:44:23,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:23,152 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:23,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:23,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:44:23,203 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:23,858 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:44:23,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (586)] Ended with exit code 0 [2023-12-02 23:44:23,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:23,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:44:23,864 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:44:23,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:44:23,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:23,864 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:23,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:23,865 INFO L229 MonitoredProcess]: Starting monitored process 587 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:23,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (587)] Waiting until timeout for monitored process [2023-12-02 23:44:24,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:24,162 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:24,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:24,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:44:24,213 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:24,916 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:44:24,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (587)] Ended with exit code 0 [2023-12-02 23:44:24,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:24,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:44:24,922 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:44:24,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:44:24,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:24,923 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:24,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:24,924 INFO L229 MonitoredProcess]: Starting monitored process 588 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:24,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (588)] Waiting until timeout for monitored process [2023-12-02 23:44:25,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:25,207 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:25,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:25,257 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:44:25,258 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:25,964 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:44:25,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (588)] Ended with exit code 0 [2023-12-02 23:44:25,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:25,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:44:25,970 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:44:25,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:44:25,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:25,970 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:25,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:25,971 INFO L229 MonitoredProcess]: Starting monitored process 589 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:25,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (589)] Waiting until timeout for monitored process [2023-12-02 23:44:26,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:26,296 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:26,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:26,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:44:26,351 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:27,109 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:44:27,112 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (589)] Ended with exit code 0 [2023-12-02 23:44:27,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:27,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:44:27,115 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:44:27,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:44:27,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:27,115 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:27,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:27,116 INFO L229 MonitoredProcess]: Starting monitored process 590 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:27,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (590)] Waiting until timeout for monitored process [2023-12-02 23:44:27,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:27,435 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:27,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:27,494 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:44:27,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:28,231 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:44:28,233 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (590)] Ended with exit code 0 [2023-12-02 23:44:28,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:28,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:44:28,236 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:44:28,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:44:28,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:28,236 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:28,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:28,237 INFO L229 MonitoredProcess]: Starting monitored process 591 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:28,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (591)] Waiting until timeout for monitored process [2023-12-02 23:44:28,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:28,547 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:28,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:28,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:44:28,606 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:29,373 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:44:29,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (591)] Ended with exit code 0 [2023-12-02 23:44:29,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:29,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:44:29,379 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:44:29,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:44:29,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:29,379 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:29,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:29,380 INFO L229 MonitoredProcess]: Starting monitored process 592 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:29,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (592)] Waiting until timeout for monitored process [2023-12-02 23:44:29,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:29,691 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:29,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:29,745 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:44:29,747 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:30,512 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:44:30,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (592)] Ended with exit code 0 [2023-12-02 23:44:30,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:30,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:44:30,518 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:44:30,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:44:30,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:30,518 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:30,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:30,519 INFO L229 MonitoredProcess]: Starting monitored process 593 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:30,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (593)] Waiting until timeout for monitored process [2023-12-02 23:44:30,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:30,844 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:30,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:30,900 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:44:30,901 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:31,655 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:44:31,658 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (593)] Ended with exit code 0 [2023-12-02 23:44:31,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:31,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:44:31,661 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:44:31,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:44:31,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:31,661 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:31,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:31,662 INFO L229 MonitoredProcess]: Starting monitored process 594 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:31,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (594)] Waiting until timeout for monitored process [2023-12-02 23:44:31,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:31,987 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:32,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:32,045 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:44:32,047 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:32,809 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:44:32,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (594)] Ended with exit code 0 [2023-12-02 23:44:32,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:32,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:44:32,815 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:44:32,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:44:32,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:32,815 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:32,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:32,816 INFO L229 MonitoredProcess]: Starting monitored process 595 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:32,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (595)] Waiting until timeout for monitored process [2023-12-02 23:44:33,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:33,115 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:33,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:33,170 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:44:33,171 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:33,892 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:44:33,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (595)] Ended with exit code 0 [2023-12-02 23:44:33,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:33,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:44:33,897 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:44:33,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:44:33,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:33,898 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:33,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:33,899 INFO L229 MonitoredProcess]: Starting monitored process 596 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:33,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (596)] Waiting until timeout for monitored process [2023-12-02 23:44:34,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:34,201 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:34,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:34,250 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:44:34,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:34,991 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:44:34,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (596)] Ended with exit code 0 [2023-12-02 23:44:34,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:34,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:44:34,997 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:44:34,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:44:34,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:34,997 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:34,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:34,998 INFO L229 MonitoredProcess]: Starting monitored process 597 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:34,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (597)] Waiting until timeout for monitored process [2023-12-02 23:44:35,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:35,297 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:35,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:35,351 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:44:35,352 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:36,020 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:44:36,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (597)] Ended with exit code 0 [2023-12-02 23:44:36,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:36,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:44:36,025 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:44:36,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:44:36,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:36,025 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:36,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:36,026 INFO L229 MonitoredProcess]: Starting monitored process 598 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:36,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (598)] Waiting until timeout for monitored process [2023-12-02 23:44:36,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:36,301 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:36,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:36,346 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:44:36,347 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:36,997 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:44:37,000 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (598)] Ended with exit code 0 [2023-12-02 23:44:37,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:37,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:44:37,003 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:44:37,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:44:37,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:37,003 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:37,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:37,004 INFO L229 MonitoredProcess]: Starting monitored process 599 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:37,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (599)] Waiting until timeout for monitored process [2023-12-02 23:44:37,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:37,275 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:37,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:37,325 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:44:37,326 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:38,024 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:44:38,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (599)] Forceful destruction successful, exit code 0 [2023-12-02 23:44:38,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:38,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:44:38,030 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:44:38,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:44:38,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:38,030 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:38,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:38,031 INFO L229 MonitoredProcess]: Starting monitored process 600 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:38,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (600)] Waiting until timeout for monitored process [2023-12-02 23:44:38,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:38,304 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:38,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:38,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:44:38,351 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:39,015 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:44:39,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (600)] Ended with exit code 0 [2023-12-02 23:44:39,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:39,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:44:39,020 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:44:39,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:44:39,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:39,021 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:39,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:39,021 INFO L229 MonitoredProcess]: Starting monitored process 601 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:39,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (601)] Waiting until timeout for monitored process [2023-12-02 23:44:39,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:39,305 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:39,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:39,353 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:44:39,354 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:39,986 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:44:39,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (601)] Ended with exit code 0 [2023-12-02 23:44:39,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:39,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:44:39,992 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:44:39,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:44:39,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:39,992 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:39,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:39,993 INFO L229 MonitoredProcess]: Starting monitored process 602 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:39,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (602)] Waiting until timeout for monitored process [2023-12-02 23:44:40,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:40,272 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:40,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:40,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:44:40,323 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:40,995 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:44:40,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (602)] Ended with exit code 0 [2023-12-02 23:44:41,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:41,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:44:41,001 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:44:41,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:44:41,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:41,002 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:41,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:41,002 INFO L229 MonitoredProcess]: Starting monitored process 603 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:41,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (603)] Waiting until timeout for monitored process [2023-12-02 23:44:41,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:41,285 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:41,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:41,332 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:44:41,333 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:41,973 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:44:41,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (603)] Ended with exit code 0 [2023-12-02 23:44:41,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:41,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:44:41,979 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:44:41,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:44:41,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:41,979 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:41,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:41,980 INFO L229 MonitoredProcess]: Starting monitored process 604 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:41,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (604)] Waiting until timeout for monitored process [2023-12-02 23:44:42,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:42,255 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:42,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:42,305 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:44:42,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:42,956 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:44:42,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (604)] Ended with exit code 0 [2023-12-02 23:44:42,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:42,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:44:42,961 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:44:42,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:44:42,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:42,962 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:42,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:42,963 INFO L229 MonitoredProcess]: Starting monitored process 605 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:42,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (605)] Waiting until timeout for monitored process [2023-12-02 23:44:43,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:43,235 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:43,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:43,282 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:44:43,283 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:43,942 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:44:43,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (605)] Ended with exit code 0 [2023-12-02 23:44:43,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:43,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:44:43,947 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:44:43,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:44:43,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:43,948 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:43,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:43,949 INFO L229 MonitoredProcess]: Starting monitored process 606 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:43,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (606)] Waiting until timeout for monitored process [2023-12-02 23:44:44,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:44,199 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:44,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:44,248 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:44:44,249 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:44,918 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:44:44,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (606)] Ended with exit code 0 [2023-12-02 23:44:44,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:44,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:44:44,924 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:44:44,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:44:44,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:44,924 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:44,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:44,925 INFO L229 MonitoredProcess]: Starting monitored process 607 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:44,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (607)] Waiting until timeout for monitored process [2023-12-02 23:44:45,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:45,205 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:45,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:45,253 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:44:45,254 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:45,898 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:44:45,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (607)] Ended with exit code 0 [2023-12-02 23:44:45,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:45,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:44:45,904 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:44:45,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:44:45,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:45,904 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:45,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:45,905 INFO L229 MonitoredProcess]: Starting monitored process 608 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:45,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (608)] Waiting until timeout for monitored process [2023-12-02 23:44:46,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:46,190 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:46,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:46,237 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:44:46,238 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:46,867 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:44:46,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (608)] Ended with exit code 0 [2023-12-02 23:44:46,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:46,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:44:46,872 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:44:46,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:44:46,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:46,873 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:46,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:46,874 INFO L229 MonitoredProcess]: Starting monitored process 609 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:46,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (609)] Waiting until timeout for monitored process [2023-12-02 23:44:47,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:47,153 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:47,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:47,201 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:44:47,202 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:47,886 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:44:47,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (609)] Ended with exit code 0 [2023-12-02 23:44:47,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:47,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:44:47,892 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:44:47,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:44:47,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:47,892 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:47,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:47,893 INFO L229 MonitoredProcess]: Starting monitored process 610 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:47,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (610)] Waiting until timeout for monitored process [2023-12-02 23:44:48,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:48,173 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:48,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:48,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:44:48,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:48,862 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:44:48,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (610)] Ended with exit code 0 [2023-12-02 23:44:48,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:48,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:44:48,868 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:44:48,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:44:48,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:48,868 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:48,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:48,869 INFO L229 MonitoredProcess]: Starting monitored process 611 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:48,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (611)] Waiting until timeout for monitored process [2023-12-02 23:44:49,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:49,137 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:49,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:49,183 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:44:49,184 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:49,860 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:44:49,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (611)] Ended with exit code 0 [2023-12-02 23:44:49,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:49,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:44:49,866 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:44:49,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:44:49,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:49,866 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:49,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:49,867 INFO L229 MonitoredProcess]: Starting monitored process 612 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:49,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (612)] Waiting until timeout for monitored process [2023-12-02 23:44:50,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:50,142 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:50,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:50,187 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:44:50,188 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:50,829 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:44:50,832 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (612)] Ended with exit code 0 [2023-12-02 23:44:50,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:50,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:44:50,835 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:44:50,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:44:50,835 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:50,835 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:50,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:50,836 INFO L229 MonitoredProcess]: Starting monitored process 613 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:50,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (613)] Waiting until timeout for monitored process [2023-12-02 23:44:51,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:51,113 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:51,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:51,164 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:44:51,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:51,845 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:44:51,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (613)] Ended with exit code 0 [2023-12-02 23:44:51,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:51,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:44:51,851 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:44:51,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:44:51,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:51,851 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:51,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:51,852 INFO L229 MonitoredProcess]: Starting monitored process 614 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:51,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (614)] Waiting until timeout for monitored process [2023-12-02 23:44:52,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:52,134 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:52,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:52,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:44:52,180 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:52,866 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:44:52,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (614)] Ended with exit code 0 [2023-12-02 23:44:52,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:52,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:44:52,872 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:44:52,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:44:52,872 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:52,872 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:52,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:52,873 INFO L229 MonitoredProcess]: Starting monitored process 615 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:52,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (615)] Waiting until timeout for monitored process [2023-12-02 23:44:53,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:53,159 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:53,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:53,209 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:44:53,210 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:53,853 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:44:53,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (615)] Ended with exit code 0 [2023-12-02 23:44:53,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:53,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:44:53,858 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:44:53,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:44:53,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:53,858 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:53,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:53,859 INFO L229 MonitoredProcess]: Starting monitored process 616 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:53,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (616)] Waiting until timeout for monitored process [2023-12-02 23:44:54,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:54,130 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:54,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:54,178 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:44:54,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:54,830 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:44:54,833 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (616)] Ended with exit code 0 [2023-12-02 23:44:54,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:54,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:44:54,835 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:44:54,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:44:54,835 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:54,836 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:54,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:54,836 INFO L229 MonitoredProcess]: Starting monitored process 617 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:54,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (617)] Waiting until timeout for monitored process [2023-12-02 23:44:55,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:55,107 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:55,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:55,153 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:44:55,154 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:55,813 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:44:55,816 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (617)] Forceful destruction successful, exit code 0 [2023-12-02 23:44:55,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:55,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:44:55,819 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:44:55,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:44:55,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:55,819 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:55,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:55,820 INFO L229 MonitoredProcess]: Starting monitored process 618 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:55,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (618)] Waiting until timeout for monitored process [2023-12-02 23:44:56,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:56,106 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:56,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:56,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:44:56,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:56,835 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:44:56,837 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (618)] Ended with exit code 0 [2023-12-02 23:44:56,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:56,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:44:56,840 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:44:56,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:44:56,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:56,840 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:56,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:56,841 INFO L229 MonitoredProcess]: Starting monitored process 619 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:56,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (619)] Waiting until timeout for monitored process [2023-12-02 23:44:57,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:57,118 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:57,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:57,166 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:44:57,167 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:57,865 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:44:57,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (619)] Ended with exit code 0 [2023-12-02 23:44:57,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:57,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:44:57,870 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:44:57,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:44:57,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:57,870 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:57,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:57,871 INFO L229 MonitoredProcess]: Starting monitored process 620 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:57,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (620)] Waiting until timeout for monitored process [2023-12-02 23:44:58,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:58,155 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:58,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:58,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:44:58,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:58,866 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:44:58,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (620)] Forceful destruction successful, exit code 0 [2023-12-02 23:44:58,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:58,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:44:58,872 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:44:58,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:44:58,872 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:58,872 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:58,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:58,873 INFO L229 MonitoredProcess]: Starting monitored process 621 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:58,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (621)] Waiting until timeout for monitored process [2023-12-02 23:44:59,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:59,149 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:59,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:59,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:44:59,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:59,841 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:44:59,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (621)] Ended with exit code 0 [2023-12-02 23:44:59,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:59,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:44:59,847 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:44:59,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:44:59,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:59,847 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:59,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:59,848 INFO L229 MonitoredProcess]: Starting monitored process 622 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:59,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (622)] Waiting until timeout for monitored process [2023-12-02 23:45:00,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:00,132 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:00,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:00,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:45:00,180 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:00,845 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:45:00,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (622)] Ended with exit code 0 [2023-12-02 23:45:00,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:00,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:45:00,850 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:45:00,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:45:00,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:00,850 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:00,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:00,851 INFO L229 MonitoredProcess]: Starting monitored process 623 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:00,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (623)] Waiting until timeout for monitored process [2023-12-02 23:45:01,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:01,133 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:01,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:01,178 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:45:01,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:01,841 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:45:01,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (623)] Forceful destruction successful, exit code 0 [2023-12-02 23:45:01,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:01,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:45:01,846 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:45:01,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:45:01,846 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:01,847 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:01,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:01,847 INFO L229 MonitoredProcess]: Starting monitored process 624 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:01,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (624)] Waiting until timeout for monitored process [2023-12-02 23:45:02,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:02,131 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:02,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:02,181 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:45:02,183 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:02,887 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:45:02,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (624)] Ended with exit code 0 [2023-12-02 23:45:02,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:02,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:45:02,892 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:45:02,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:45:02,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:02,892 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:02,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:02,893 INFO L229 MonitoredProcess]: Starting monitored process 625 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:02,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (625)] Waiting until timeout for monitored process [2023-12-02 23:45:03,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:03,172 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:03,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:03,221 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:45:03,223 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:03,936 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:45:03,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (625)] Ended with exit code 0 [2023-12-02 23:45:03,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:03,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:45:03,941 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:45:03,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:45:03,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:03,942 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:03,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:03,943 INFO L229 MonitoredProcess]: Starting monitored process 626 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:03,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (626)] Waiting until timeout for monitored process [2023-12-02 23:45:04,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:04,225 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:04,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:04,267 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:45:04,268 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:04,932 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:45:04,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (626)] Ended with exit code 0 [2023-12-02 23:45:04,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:04,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:45:04,937 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:45:04,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:45:04,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:04,938 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:04,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:04,938 INFO L229 MonitoredProcess]: Starting monitored process 627 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:04,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (627)] Waiting until timeout for monitored process [2023-12-02 23:45:05,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:05,212 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:05,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:05,259 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:45:05,260 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:05,909 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:45:05,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (627)] Ended with exit code 0 [2023-12-02 23:45:05,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:05,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:45:05,914 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:45:05,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:45:05,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:05,915 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:05,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:05,915 INFO L229 MonitoredProcess]: Starting monitored process 628 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:05,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (628)] Waiting until timeout for monitored process [2023-12-02 23:45:06,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:06,195 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:06,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:06,244 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:45:06,245 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:06,927 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:45:06,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (628)] Ended with exit code 0 [2023-12-02 23:45:06,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:06,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:45:06,933 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:45:06,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:45:06,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:06,933 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:06,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:06,934 INFO L229 MonitoredProcess]: Starting monitored process 629 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:06,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (629)] Waiting until timeout for monitored process [2023-12-02 23:45:07,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:07,214 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:07,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:07,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:45:07,264 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:07,931 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:45:07,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (629)] Ended with exit code 0 [2023-12-02 23:45:07,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:07,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:45:07,937 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:45:07,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:45:07,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:07,937 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:07,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:07,938 INFO L229 MonitoredProcess]: Starting monitored process 630 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:07,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (630)] Waiting until timeout for monitored process [2023-12-02 23:45:08,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:08,224 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:08,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:08,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:45:08,269 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:08,941 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:45:08,944 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (630)] Ended with exit code 0 [2023-12-02 23:45:08,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:08,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:45:08,947 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:45:08,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:45:08,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:08,947 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:08,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:08,948 INFO L229 MonitoredProcess]: Starting monitored process 631 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:08,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (631)] Waiting until timeout for monitored process [2023-12-02 23:45:09,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:09,210 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:09,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:09,254 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:45:09,255 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:09,872 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:45:09,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (631)] Ended with exit code 0 [2023-12-02 23:45:09,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:09,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:45:09,877 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:45:09,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:45:09,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:09,878 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:09,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:09,878 INFO L229 MonitoredProcess]: Starting monitored process 632 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:09,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (632)] Waiting until timeout for monitored process [2023-12-02 23:45:10,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:10,142 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:10,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:10,192 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:45:10,193 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:10,864 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:45:10,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (632)] Ended with exit code 0 [2023-12-02 23:45:10,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:10,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:45:10,868 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:45:10,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:45:10,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:10,869 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:10,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:10,869 INFO L229 MonitoredProcess]: Starting monitored process 633 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:10,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (633)] Waiting until timeout for monitored process [2023-12-02 23:45:11,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:11,108 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:11,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:11,151 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:45:11,152 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:11,794 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:45:11,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (633)] Ended with exit code 0 [2023-12-02 23:45:11,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:11,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:45:11,799 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:45:11,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:45:11,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:11,799 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:11,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:11,800 INFO L229 MonitoredProcess]: Starting monitored process 634 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:11,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (634)] Waiting until timeout for monitored process [2023-12-02 23:45:12,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:12,053 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:12,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:12,096 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:45:12,097 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:12,751 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:45:12,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (634)] Ended with exit code 0 [2023-12-02 23:45:12,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:12,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:45:12,757 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:45:12,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:45:12,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:12,757 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:12,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:12,758 INFO L229 MonitoredProcess]: Starting monitored process 635 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:12,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (635)] Waiting until timeout for monitored process [2023-12-02 23:45:13,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:13,057 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:13,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:13,107 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:45:13,108 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:13,809 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:45:13,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (635)] Ended with exit code 0 [2023-12-02 23:45:13,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:13,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:45:13,814 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:45:13,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:45:13,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:13,814 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:13,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:13,814 INFO L229 MonitoredProcess]: Starting monitored process 636 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:13,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (636)] Waiting until timeout for monitored process [2023-12-02 23:45:14,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:14,058 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:14,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:14,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:45:14,102 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:14,763 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:45:14,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (636)] Ended with exit code 0 [2023-12-02 23:45:14,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:14,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:45:14,769 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:45:14,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:45:14,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:14,769 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:14,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:14,770 INFO L229 MonitoredProcess]: Starting monitored process 637 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:14,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (637)] Waiting until timeout for monitored process [2023-12-02 23:45:15,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:15,044 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:15,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:15,098 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:45:15,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:15,744 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:45:15,748 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (637)] Ended with exit code 0 [2023-12-02 23:45:15,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:15,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:45:15,750 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:45:15,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:45:15,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:15,751 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:15,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:15,751 INFO L229 MonitoredProcess]: Starting monitored process 638 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:15,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (638)] Waiting until timeout for monitored process [2023-12-02 23:45:15,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:15,993 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:16,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:16,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:45:16,039 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:16,648 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:45:16,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (638)] Forceful destruction successful, exit code 0 [2023-12-02 23:45:16,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:16,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:45:16,652 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:45:16,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:45:16,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:16,653 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:16,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:16,654 INFO L229 MonitoredProcess]: Starting monitored process 639 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:16,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (639)] Waiting until timeout for monitored process [2023-12-02 23:45:16,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:16,900 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:16,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:16,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:45:16,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:17,612 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:45:17,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (639)] Ended with exit code 0 [2023-12-02 23:45:17,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:17,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:45:17,616 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:45:17,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:45:17,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:17,617 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:17,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:17,618 INFO L229 MonitoredProcess]: Starting monitored process 640 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:17,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (640)] Waiting until timeout for monitored process [2023-12-02 23:45:17,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:17,889 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:17,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:17,938 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:45:17,940 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:18,688 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:45:18,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (640)] Forceful destruction successful, exit code 0 [2023-12-02 23:45:18,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:18,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:45:18,695 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:45:18,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:45:18,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:18,695 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:18,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:18,696 INFO L229 MonitoredProcess]: Starting monitored process 641 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:18,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (641)] Waiting until timeout for monitored process [2023-12-02 23:45:19,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:19,020 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:19,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:19,072 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:45:19,073 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:19,808 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:45:19,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (641)] Ended with exit code 0 [2023-12-02 23:45:19,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:19,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:45:19,814 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:45:19,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:45:19,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:19,814 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:19,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:19,815 INFO L229 MonitoredProcess]: Starting monitored process 642 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:19,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (642)] Waiting until timeout for monitored process [2023-12-02 23:45:20,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:20,138 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:20,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:20,190 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:45:20,191 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:20,850 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:45:20,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (642)] Forceful destruction successful, exit code 0 [2023-12-02 23:45:20,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:20,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:45:20,854 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:45:20,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:45:20,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:20,855 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:20,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:20,855 INFO L229 MonitoredProcess]: Starting monitored process 643 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:20,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (643)] Waiting until timeout for monitored process [2023-12-02 23:45:21,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:21,097 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:21,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:21,139 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:45:21,140 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:21,751 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:45:21,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (643)] Ended with exit code 0 [2023-12-02 23:45:21,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:21,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:45:21,756 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:45:21,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:45:21,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:21,757 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:21,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:21,757 INFO L229 MonitoredProcess]: Starting monitored process 644 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:21,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (644)] Waiting until timeout for monitored process [2023-12-02 23:45:22,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:22,019 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:22,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:22,069 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:45:22,071 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:22,742 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:45:22,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (644)] Ended with exit code 0 [2023-12-02 23:45:22,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:22,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:45:22,747 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:45:22,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:45:22,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:22,747 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:22,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:22,748 INFO L229 MonitoredProcess]: Starting monitored process 645 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:22,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (645)] Waiting until timeout for monitored process [2023-12-02 23:45:23,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:23,007 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:23,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:23,056 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:45:23,058 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:23,761 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:45:23,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (645)] Ended with exit code 0 [2023-12-02 23:45:23,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:23,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:45:23,767 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:45:23,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:45:23,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:23,768 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:23,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:23,769 INFO L229 MonitoredProcess]: Starting monitored process 646 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:23,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (646)] Waiting until timeout for monitored process [2023-12-02 23:45:24,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:24,069 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:24,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:24,122 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:45:24,123 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:24,844 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:45:24,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (646)] Ended with exit code 0 [2023-12-02 23:45:24,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:24,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:45:24,849 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:45:24,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:45:24,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:24,849 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:24,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:24,850 INFO L229 MonitoredProcess]: Starting monitored process 647 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:24,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (647)] Waiting until timeout for monitored process [2023-12-02 23:45:25,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:25,124 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:25,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:25,170 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:45:25,171 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:25,889 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:45:25,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (647)] Ended with exit code 0 [2023-12-02 23:45:25,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:25,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:45:25,894 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:45:25,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:45:25,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:25,894 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:25,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:25,895 INFO L229 MonitoredProcess]: Starting monitored process 648 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:25,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (648)] Waiting until timeout for monitored process [2023-12-02 23:45:26,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:26,195 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:26,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:26,249 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:45:26,250 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:26,999 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:45:27,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (648)] Forceful destruction successful, exit code 0 [2023-12-02 23:45:27,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:27,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:45:27,004 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:45:27,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:45:27,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:27,005 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:27,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:27,005 INFO L229 MonitoredProcess]: Starting monitored process 649 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:27,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (649)] Waiting until timeout for monitored process [2023-12-02 23:45:27,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:27,292 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:27,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:27,346 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:45:27,347 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:28,113 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:45:28,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (649)] Ended with exit code 0 [2023-12-02 23:45:28,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:28,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:45:28,118 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:45:28,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:45:28,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:28,118 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:28,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:28,119 INFO L229 MonitoredProcess]: Starting monitored process 650 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:28,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (650)] Waiting until timeout for monitored process [2023-12-02 23:45:28,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:28,459 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:28,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:28,520 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:45:28,521 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:29,244 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:45:29,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (650)] Ended with exit code 0 [2023-12-02 23:45:29,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:29,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:45:29,249 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:45:29,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:45:29,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:29,250 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:29,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:29,251 INFO L229 MonitoredProcess]: Starting monitored process 651 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:29,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (651)] Waiting until timeout for monitored process [2023-12-02 23:45:29,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:29,566 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:29,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:29,621 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:45:29,622 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:30,394 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:45:30,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (651)] Ended with exit code 0 [2023-12-02 23:45:30,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:30,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:45:30,399 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:45:30,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:45:30,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:30,399 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:30,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:30,400 INFO L229 MonitoredProcess]: Starting monitored process 652 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:30,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (652)] Waiting until timeout for monitored process [2023-12-02 23:45:30,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:30,731 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:30,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:30,787 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:45:30,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:31,580 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:45:31,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (652)] Ended with exit code 0 [2023-12-02 23:45:31,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:31,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:45:31,585 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:45:31,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:45:31,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:31,585 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:31,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:31,586 INFO L229 MonitoredProcess]: Starting monitored process 653 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:31,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (653)] Waiting until timeout for monitored process [2023-12-02 23:45:31,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:31,905 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:31,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:31,964 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:45:31,966 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:32,738 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:45:32,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (653)] Ended with exit code 0 [2023-12-02 23:45:32,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:32,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:45:32,744 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:45:32,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:45:32,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:32,744 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:32,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:32,745 INFO L229 MonitoredProcess]: Starting monitored process 654 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:32,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (654)] Waiting until timeout for monitored process [2023-12-02 23:45:33,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:33,058 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:33,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:33,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:45:33,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:33,887 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:45:33,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (654)] Ended with exit code 0 [2023-12-02 23:45:33,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:33,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:45:33,893 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:45:33,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:45:33,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:33,893 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:33,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:33,894 INFO L229 MonitoredProcess]: Starting monitored process 655 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:33,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (655)] Waiting until timeout for monitored process [2023-12-02 23:45:34,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:34,204 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:34,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:34,258 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:45:34,259 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:35,052 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:45:35,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (655)] Ended with exit code 0 [2023-12-02 23:45:35,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:35,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:45:35,058 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:45:35,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:45:35,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:35,059 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:35,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:35,059 INFO L229 MonitoredProcess]: Starting monitored process 656 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:35,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (656)] Waiting until timeout for monitored process [2023-12-02 23:45:35,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:35,382 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:35,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:35,433 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:45:35,434 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:36,201 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:45:36,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (656)] Ended with exit code 0 [2023-12-02 23:45:36,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:36,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:45:36,207 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:45:36,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:45:36,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:36,207 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:36,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:36,208 INFO L229 MonitoredProcess]: Starting monitored process 657 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:36,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (657)] Waiting until timeout for monitored process [2023-12-02 23:45:36,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:36,511 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:36,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:36,563 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:45:36,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:37,278 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:45:37,281 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (657)] Ended with exit code 0 [2023-12-02 23:45:37,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:37,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:45:37,284 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:45:37,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:45:37,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:37,284 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:37,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:37,285 INFO L229 MonitoredProcess]: Starting monitored process 658 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:37,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (658)] Waiting until timeout for monitored process [2023-12-02 23:45:37,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:37,596 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:37,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:37,651 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:45:37,652 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:38,420 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:45:38,423 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (658)] Ended with exit code 0 [2023-12-02 23:45:38,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:38,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:45:38,427 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:45:38,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:45:38,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:38,427 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:38,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:38,428 INFO L229 MonitoredProcess]: Starting monitored process 659 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:38,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (659)] Waiting until timeout for monitored process [2023-12-02 23:45:38,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:38,749 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:38,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:38,799 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:45:38,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:39,533 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:45:39,536 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (659)] Ended with exit code 0 [2023-12-02 23:45:39,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:39,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:45:39,539 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:45:39,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:45:39,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:39,539 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:39,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:39,540 INFO L229 MonitoredProcess]: Starting monitored process 660 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:39,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (660)] Waiting until timeout for monitored process [2023-12-02 23:45:39,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:39,854 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:39,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:39,906 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:45:39,907 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:40,659 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:45:40,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (660)] Ended with exit code 0 [2023-12-02 23:45:40,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:40,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:45:40,665 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:45:40,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:45:40,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:40,665 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:40,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:40,666 INFO L229 MonitoredProcess]: Starting monitored process 661 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:40,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (661)] Waiting until timeout for monitored process [2023-12-02 23:45:40,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:40,975 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:41,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:41,033 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:45:41,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:41,787 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:45:41,790 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (661)] Ended with exit code 0 [2023-12-02 23:45:41,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:41,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:45:41,793 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:45:41,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:45:41,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:41,793 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:41,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:41,794 INFO L229 MonitoredProcess]: Starting monitored process 662 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:41,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (662)] Waiting until timeout for monitored process [2023-12-02 23:45:42,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:42,111 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:42,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:42,171 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:45:42,172 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:42,943 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:45:42,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (662)] Ended with exit code 0 [2023-12-02 23:45:42,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:42,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:45:42,948 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:45:42,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:45:42,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:42,949 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:42,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:42,949 INFO L229 MonitoredProcess]: Starting monitored process 663 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:42,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (663)] Waiting until timeout for monitored process [2023-12-02 23:45:43,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:43,275 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:43,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:43,332 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:45:43,333 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:44,085 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:45:44,090 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (663)] Ended with exit code 0 [2023-12-02 23:45:44,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:44,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:45:44,093 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:45:44,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:45:44,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:44,093 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:44,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:44,094 INFO L229 MonitoredProcess]: Starting monitored process 664 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:44,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (664)] Waiting until timeout for monitored process [2023-12-02 23:45:44,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:44,394 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:44,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:44,446 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:45:44,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:45,195 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:45:45,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (664)] Ended with exit code 0 [2023-12-02 23:45:45,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:45,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:45:45,202 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:45:45,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:45:45,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:45,202 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:45,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:45,203 INFO L229 MonitoredProcess]: Starting monitored process 665 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:45,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (665)] Waiting until timeout for monitored process [2023-12-02 23:45:45,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:45,511 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:45,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:45,568 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:45:45,569 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:46,325 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:45:46,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (665)] Ended with exit code 0 [2023-12-02 23:45:46,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:46,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:45:46,330 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:45:46,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:45:46,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:46,331 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:46,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:46,332 INFO L229 MonitoredProcess]: Starting monitored process 666 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:46,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (666)] Waiting until timeout for monitored process [2023-12-02 23:45:46,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:46,602 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:46,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:46,656 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:45:46,656 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:47,410 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:45:47,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (666)] Ended with exit code 0 [2023-12-02 23:45:47,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:47,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:45:47,416 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:45:47,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:45:47,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:47,416 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:47,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:47,417 INFO L229 MonitoredProcess]: Starting monitored process 667 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:47,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (667)] Waiting until timeout for monitored process [2023-12-02 23:45:47,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:47,710 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:47,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:47,759 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:45:47,760 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:48,472 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:45:48,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (667)] Ended with exit code 0 [2023-12-02 23:45:48,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:48,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:45:48,477 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:45:48,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:45:48,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:48,477 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:48,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:48,478 INFO L229 MonitoredProcess]: Starting monitored process 668 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:48,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (668)] Waiting until timeout for monitored process [2023-12-02 23:45:48,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:48,784 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:48,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:48,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:45:48,841 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:49,537 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:45:49,539 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (668)] Ended with exit code 0 [2023-12-02 23:45:49,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:49,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:45:49,541 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:45:49,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:45:49,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:49,541 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:49,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:49,542 INFO L229 MonitoredProcess]: Starting monitored process 669 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:49,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (669)] Waiting until timeout for monitored process [2023-12-02 23:45:49,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:49,806 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:49,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:49,853 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:45:49,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:50,449 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:45:50,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (669)] Ended with exit code 0 [2023-12-02 23:45:50,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:50,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:45:50,453 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:45:50,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:45:50,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:50,453 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:50,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:50,454 INFO L229 MonitoredProcess]: Starting monitored process 670 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:50,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (670)] Waiting until timeout for monitored process [2023-12-02 23:45:50,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:50,716 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:50,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:50,757 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:45:50,758 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:51,406 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:45:51,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (670)] Ended with exit code 0 [2023-12-02 23:45:51,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:51,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:45:51,411 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:45:51,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:45:51,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:51,411 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:51,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:51,412 INFO L229 MonitoredProcess]: Starting monitored process 671 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:51,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (671)] Waiting until timeout for monitored process [2023-12-02 23:45:51,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:51,669 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:51,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:51,713 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:45:51,714 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:52,314 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:45:52,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (671)] Ended with exit code 0 [2023-12-02 23:45:52,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:52,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:45:52,320 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:45:52,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:45:52,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:52,320 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:52,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:52,320 INFO L229 MonitoredProcess]: Starting monitored process 672 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:52,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (672)] Waiting until timeout for monitored process [2023-12-02 23:45:52,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:52,582 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:52,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:52,626 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:45:52,627 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:53,252 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:45:53,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (672)] Ended with exit code 0 [2023-12-02 23:45:53,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:53,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:45:53,257 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:45:53,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:45:53,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:53,257 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:53,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:53,258 INFO L229 MonitoredProcess]: Starting monitored process 673 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:53,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (673)] Waiting until timeout for monitored process [2023-12-02 23:45:53,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:53,512 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:53,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:53,558 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:45:53,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:54,197 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:45:54,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (673)] Ended with exit code 0 [2023-12-02 23:45:54,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:54,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:45:54,201 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:45:54,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:45:54,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:54,201 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:54,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:54,202 INFO L229 MonitoredProcess]: Starting monitored process 674 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:54,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (674)] Waiting until timeout for monitored process [2023-12-02 23:45:54,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:54,456 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:54,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:54,503 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:45:54,504 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:55,117 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:45:55,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (674)] Forceful destruction successful, exit code 0 [2023-12-02 23:45:55,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:55,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:45:55,124 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:45:55,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:45:55,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:55,124 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:55,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:55,125 INFO L229 MonitoredProcess]: Starting monitored process 675 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:55,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (675)] Waiting until timeout for monitored process [2023-12-02 23:45:55,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:55,433 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:55,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:55,489 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:45:55,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:56,234 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:45:56,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (675)] Ended with exit code 0 [2023-12-02 23:45:56,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:56,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:45:56,240 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:45:56,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:45:56,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:56,240 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:56,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:56,241 INFO L229 MonitoredProcess]: Starting monitored process 676 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:56,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (676)] Waiting until timeout for monitored process [2023-12-02 23:45:56,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:56,556 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:56,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:56,612 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:45:56,613 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:57,375 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:45:57,378 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (676)] Ended with exit code 0 [2023-12-02 23:45:57,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:57,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:45:57,381 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:45:57,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:45:57,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:57,381 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:57,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:57,382 INFO L229 MonitoredProcess]: Starting monitored process 677 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:57,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (677)] Waiting until timeout for monitored process [2023-12-02 23:45:57,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:57,703 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:57,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:57,759 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:45:57,760 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:58,488 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:45:58,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (677)] Forceful destruction successful, exit code 0 [2023-12-02 23:45:58,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:58,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:45:58,495 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:45:58,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:45:58,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:58,495 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:58,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:58,496 INFO L229 MonitoredProcess]: Starting monitored process 678 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:58,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (678)] Waiting until timeout for monitored process [2023-12-02 23:45:58,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:58,772 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:58,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:58,820 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:45:58,821 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:59,473 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:45:59,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (678)] Ended with exit code 0 [2023-12-02 23:45:59,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:59,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:45:59,478 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:45:59,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:45:59,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:59,478 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:59,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:59,479 INFO L229 MonitoredProcess]: Starting monitored process 679 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:59,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (679)] Waiting until timeout for monitored process [2023-12-02 23:45:59,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:59,743 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:59,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:59,790 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:45:59,791 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:00,532 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:46:00,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (679)] Forceful destruction successful, exit code 0 [2023-12-02 23:46:00,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:00,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:46:00,538 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:46:00,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:46:00,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:00,538 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:00,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:00,539 INFO L229 MonitoredProcess]: Starting monitored process 680 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:00,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (680)] Waiting until timeout for monitored process [2023-12-02 23:46:00,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:00,850 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:00,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:00,900 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:46:00,901 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:01,599 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:46:01,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (680)] Ended with exit code 0 [2023-12-02 23:46:01,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:01,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:46:01,604 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:46:01,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:46:01,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:01,604 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:01,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:01,605 INFO L229 MonitoredProcess]: Starting monitored process 681 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:01,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (681)] Waiting until timeout for monitored process [2023-12-02 23:46:01,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:01,855 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:01,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:01,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:46:01,900 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:02,536 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:46:02,539 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (681)] Ended with exit code 0 [2023-12-02 23:46:02,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:02,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:46:02,541 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:46:02,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:46:02,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:02,542 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:02,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:02,543 INFO L229 MonitoredProcess]: Starting monitored process 682 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:02,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (682)] Waiting until timeout for monitored process [2023-12-02 23:46:02,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:02,795 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:02,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:02,838 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:46:02,839 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:03,529 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:46:03,532 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (682)] Forceful destruction successful, exit code 0 [2023-12-02 23:46:03,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:03,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:46:03,535 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:46:03,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:46:03,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:03,536 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:03,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:03,536 INFO L229 MonitoredProcess]: Starting monitored process 683 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:03,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (683)] Waiting until timeout for monitored process [2023-12-02 23:46:03,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:03,818 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:03,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:03,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:46:03,870 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:04,502 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:46:04,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (683)] Ended with exit code 0 [2023-12-02 23:46:04,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:04,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:46:04,507 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:46:04,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:46:04,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:04,507 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:04,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:04,508 INFO L229 MonitoredProcess]: Starting monitored process 684 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:04,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (684)] Waiting until timeout for monitored process [2023-12-02 23:46:04,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:04,762 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:04,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:04,806 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:46:04,807 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:05,421 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:46:05,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (684)] Ended with exit code 0 [2023-12-02 23:46:05,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:05,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:46:05,426 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:46:05,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:46:05,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:05,426 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:05,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:05,427 INFO L229 MonitoredProcess]: Starting monitored process 685 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:05,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (685)] Waiting until timeout for monitored process [2023-12-02 23:46:05,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:05,695 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:05,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:05,739 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:46:05,741 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:06,370 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:46:06,373 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (685)] Ended with exit code 0 [2023-12-02 23:46:06,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:06,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:46:06,375 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:46:06,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:46:06,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:06,375 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:06,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:06,376 INFO L229 MonitoredProcess]: Starting monitored process 686 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:06,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (686)] Waiting until timeout for monitored process [2023-12-02 23:46:06,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:06,665 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:06,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:06,723 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:46:06,725 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:07,466 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:46:07,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (686)] Ended with exit code 0 [2023-12-02 23:46:07,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:07,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:46:07,472 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:46:07,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:46:07,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:07,472 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:07,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:07,473 INFO L229 MonitoredProcess]: Starting monitored process 687 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:07,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (687)] Waiting until timeout for monitored process [2023-12-02 23:46:07,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:07,783 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:07,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:07,837 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:46:07,839 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:08,530 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:46:08,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (687)] Ended with exit code 0 [2023-12-02 23:46:08,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:08,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:46:08,535 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:46:08,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:46:08,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:08,536 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:08,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:08,536 INFO L229 MonitoredProcess]: Starting monitored process 688 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:08,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (688)] Waiting until timeout for monitored process [2023-12-02 23:46:08,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:08,786 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:08,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:08,834 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:46:08,835 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:09,427 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:46:09,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (688)] Ended with exit code 0 [2023-12-02 23:46:09,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:09,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:46:09,431 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:46:09,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:46:09,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:09,432 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:09,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:09,432 INFO L229 MonitoredProcess]: Starting monitored process 689 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:09,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (689)] Waiting until timeout for monitored process [2023-12-02 23:46:09,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:09,680 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:09,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:09,729 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:46:09,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:10,401 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:46:10,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (689)] Ended with exit code 0 [2023-12-02 23:46:10,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:10,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:46:10,406 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:46:10,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:46:10,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:10,407 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:10,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:10,407 INFO L229 MonitoredProcess]: Starting monitored process 690 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:10,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (690)] Waiting until timeout for monitored process [2023-12-02 23:46:10,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:10,706 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:10,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:10,750 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:46:10,751 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:11,347 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:46:11,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (690)] Ended with exit code 0 [2023-12-02 23:46:11,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:11,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:46:11,354 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:46:11,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:46:11,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:11,354 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:11,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:11,355 INFO L229 MonitoredProcess]: Starting monitored process 691 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:11,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (691)] Waiting until timeout for monitored process [2023-12-02 23:46:11,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:11,615 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:11,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:11,662 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:46:11,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:12,302 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:46:12,304 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (691)] Ended with exit code 0 [2023-12-02 23:46:12,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:12,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:46:12,307 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:46:12,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:46:12,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:12,307 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:12,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:12,308 INFO L229 MonitoredProcess]: Starting monitored process 692 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:12,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (692)] Waiting until timeout for monitored process [2023-12-02 23:46:12,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:12,557 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:12,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:12,602 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:46:12,603 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:13,301 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:46:13,304 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (692)] Ended with exit code 0 [2023-12-02 23:46:13,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:13,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:46:13,306 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:46:13,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:46:13,306 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:13,307 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:13,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:13,307 INFO L229 MonitoredProcess]: Starting monitored process 693 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:13,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (693)] Waiting until timeout for monitored process [2023-12-02 23:46:13,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:13,559 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:13,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:13,604 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:46:13,605 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:14,282 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:46:14,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (693)] Ended with exit code 0 [2023-12-02 23:46:14,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:14,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:46:14,286 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:46:14,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:46:14,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:14,287 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:14,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:14,287 INFO L229 MonitoredProcess]: Starting monitored process 694 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:14,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (694)] Waiting until timeout for monitored process [2023-12-02 23:46:14,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:14,530 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:14,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:14,582 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:46:14,583 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:15,240 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:46:15,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (694)] Ended with exit code 0 [2023-12-02 23:46:15,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:15,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:46:15,245 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:46:15,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:46:15,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:15,245 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:15,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:15,245 INFO L229 MonitoredProcess]: Starting monitored process 695 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:15,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (695)] Waiting until timeout for monitored process [2023-12-02 23:46:15,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:15,504 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:15,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:15,560 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:46:15,561 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:16,319 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:46:16,322 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (695)] Forceful destruction successful, exit code 0 [2023-12-02 23:46:16,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:16,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:46:16,325 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:46:16,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:46:16,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:16,325 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:16,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:16,326 INFO L229 MonitoredProcess]: Starting monitored process 696 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:16,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (696)] Waiting until timeout for monitored process [2023-12-02 23:46:16,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:16,632 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:16,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:16,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:46:16,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:17,481 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:46:17,484 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (696)] Forceful destruction successful, exit code 0 [2023-12-02 23:46:17,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:17,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:46:17,487 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:46:17,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:46:17,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:17,487 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:17,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:17,488 INFO L229 MonitoredProcess]: Starting monitored process 697 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:17,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (697)] Waiting until timeout for monitored process [2023-12-02 23:46:17,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:17,804 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:17,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:17,858 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:46:17,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:18,643 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:46:18,646 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (697)] Ended with exit code 0 [2023-12-02 23:46:18,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:18,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:46:18,649 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:46:18,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:46:18,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:18,649 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:18,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:18,650 INFO L229 MonitoredProcess]: Starting monitored process 698 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:18,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (698)] Waiting until timeout for monitored process [2023-12-02 23:46:18,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:18,945 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:19,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:19,006 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:46:19,007 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:19,733 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:46:19,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (698)] Ended with exit code 0 [2023-12-02 23:46:19,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:19,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:46:19,737 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:46:19,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:46:19,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:19,737 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:19,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:19,738 INFO L229 MonitoredProcess]: Starting monitored process 699 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:19,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (699)] Waiting until timeout for monitored process [2023-12-02 23:46:19,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:19,971 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:20,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:20,018 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:46:20,019 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:20,689 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:46:20,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (699)] Ended with exit code 0 [2023-12-02 23:46:20,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:20,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:46:20,694 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:46:20,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:46:20,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:20,695 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:20,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:20,696 INFO L229 MonitoredProcess]: Starting monitored process 700 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:20,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (700)] Waiting until timeout for monitored process [2023-12-02 23:46:20,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:20,976 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:21,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:21,027 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:46:21,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:21,774 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:46:21,777 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (700)] Ended with exit code 0 [2023-12-02 23:46:21,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:21,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:46:21,780 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:46:21,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:46:21,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:21,780 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:21,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:21,781 INFO L229 MonitoredProcess]: Starting monitored process 701 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:21,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (701)] Waiting until timeout for monitored process [2023-12-02 23:46:22,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:22,062 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:22,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:22,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:46:22,119 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:22,858 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:46:22,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (701)] Ended with exit code 0 [2023-12-02 23:46:22,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:22,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:46:22,864 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:46:22,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:46:22,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:22,864 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:22,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:22,865 INFO L229 MonitoredProcess]: Starting monitored process 702 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:22,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (702)] Waiting until timeout for monitored process [2023-12-02 23:46:23,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:23,151 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:23,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:23,206 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:46:23,207 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:23,937 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:46:23,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (702)] Ended with exit code 0 [2023-12-02 23:46:23,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:23,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:46:23,941 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:46:23,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:46:23,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:23,942 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:23,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:23,943 INFO L229 MonitoredProcess]: Starting monitored process 703 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:23,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (703)] Waiting until timeout for monitored process [2023-12-02 23:46:24,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:24,218 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:24,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:24,272 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:46:24,274 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:24,989 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:46:24,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (703)] Ended with exit code 0 [2023-12-02 23:46:24,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:24,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:46:24,995 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:46:24,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:46:24,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:24,995 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:24,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:24,996 INFO L229 MonitoredProcess]: Starting monitored process 704 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:24,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (704)] Waiting until timeout for monitored process [2023-12-02 23:46:25,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:25,267 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:25,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:25,314 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:46:25,315 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:26,033 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:46:26,035 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (704)] Ended with exit code 0 [2023-12-02 23:46:26,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:26,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:46:26,038 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:46:26,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:46:26,038 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:26,038 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:26,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:26,039 INFO L229 MonitoredProcess]: Starting monitored process 705 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:26,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (705)] Waiting until timeout for monitored process [2023-12-02 23:46:26,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:26,309 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:26,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:26,358 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:46:26,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:27,089 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:46:27,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (705)] Ended with exit code 0 [2023-12-02 23:46:27,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:27,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:46:27,094 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:46:27,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:46:27,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:27,095 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:27,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:27,095 INFO L229 MonitoredProcess]: Starting monitored process 706 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:27,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (706)] Waiting until timeout for monitored process [2023-12-02 23:46:27,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:27,389 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:27,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:27,443 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:46:27,444 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:28,158 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:46:28,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (706)] Ended with exit code 0 [2023-12-02 23:46:28,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:28,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:46:28,163 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:46:28,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:46:28,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:28,163 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:28,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:28,164 INFO L229 MonitoredProcess]: Starting monitored process 707 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:28,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (707)] Waiting until timeout for monitored process [2023-12-02 23:46:28,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:28,434 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:28,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:28,485 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:46:28,487 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:29,226 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:46:29,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (707)] Ended with exit code 0 [2023-12-02 23:46:29,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:29,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:46:29,232 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:46:29,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:46:29,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:29,232 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:29,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:29,233 INFO L229 MonitoredProcess]: Starting monitored process 708 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:29,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (708)] Waiting until timeout for monitored process [2023-12-02 23:46:29,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:29,514 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:29,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:29,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:46:29,571 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:30,296 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:46:30,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (708)] Ended with exit code 0 [2023-12-02 23:46:30,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:30,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:46:30,302 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:46:30,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:46:30,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:30,302 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:30,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:30,303 INFO L229 MonitoredProcess]: Starting monitored process 709 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:30,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (709)] Waiting until timeout for monitored process [2023-12-02 23:46:30,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:30,552 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:30,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:30,607 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:46:30,608 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:31,369 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:46:31,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (709)] Ended with exit code 0 [2023-12-02 23:46:31,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:31,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:46:31,374 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:46:31,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:46:31,374 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:31,374 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:31,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:31,375 INFO L229 MonitoredProcess]: Starting monitored process 710 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:31,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (710)] Waiting until timeout for monitored process [2023-12-02 23:46:31,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:31,635 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:31,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:31,686 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:46:31,687 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:32,391 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:46:32,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (710)] Ended with exit code 0 [2023-12-02 23:46:32,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:32,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:46:32,396 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:46:32,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:46:32,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:32,396 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:32,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:32,397 INFO L229 MonitoredProcess]: Starting monitored process 711 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:32,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (711)] Waiting until timeout for monitored process [2023-12-02 23:46:32,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:32,678 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:32,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:32,727 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:46:32,728 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:33,447 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:46:33,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (711)] Ended with exit code 0 [2023-12-02 23:46:33,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:33,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:46:33,452 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:46:33,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:46:33,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:33,453 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:33,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:33,454 INFO L229 MonitoredProcess]: Starting monitored process 712 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:33,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (712)] Waiting until timeout for monitored process [2023-12-02 23:46:33,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:33,725 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:33,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:33,776 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:46:33,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:34,499 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:46:34,502 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (712)] Ended with exit code 0 [2023-12-02 23:46:34,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:34,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:46:34,504 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:46:34,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:46:34,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:34,505 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:34,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:34,505 INFO L229 MonitoredProcess]: Starting monitored process 713 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:34,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (713)] Waiting until timeout for monitored process [2023-12-02 23:46:34,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:34,788 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:34,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:34,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:46:34,842 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:35,582 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:46:35,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (713)] Ended with exit code 0 [2023-12-02 23:46:35,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:35,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:46:35,587 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:46:35,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:46:35,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:35,587 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:35,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:35,588 INFO L229 MonitoredProcess]: Starting monitored process 714 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:35,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (714)] Waiting until timeout for monitored process [2023-12-02 23:46:35,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:35,860 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:35,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:35,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:46:35,911 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:36,641 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:46:36,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (714)] Ended with exit code 0 [2023-12-02 23:46:36,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:36,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:46:36,646 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:46:36,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:46:36,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:36,647 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:36,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:36,647 INFO L229 MonitoredProcess]: Starting monitored process 715 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:36,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (715)] Waiting until timeout for monitored process [2023-12-02 23:46:36,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:36,909 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:36,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:36,960 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:46:36,961 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:37,666 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:46:37,669 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (715)] Forceful destruction successful, exit code 0 [2023-12-02 23:46:37,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:37,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:46:37,671 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:46:37,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:46:37,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:37,671 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:37,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:37,672 INFO L229 MonitoredProcess]: Starting monitored process 716 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:37,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (716)] Waiting until timeout for monitored process [2023-12-02 23:46:37,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:37,964 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:38,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:38,020 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:46:38,021 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:38,764 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:46:38,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (716)] Ended with exit code 0 [2023-12-02 23:46:38,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:38,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:46:38,769 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:46:38,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:46:38,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:38,769 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:38,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:38,770 INFO L229 MonitoredProcess]: Starting monitored process 717 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:38,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (717)] Waiting until timeout for monitored process [2023-12-02 23:46:39,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:39,058 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:39,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:39,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:46:39,112 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:39,862 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:46:39,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (717)] Ended with exit code 0 [2023-12-02 23:46:39,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:39,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:46:39,868 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:46:39,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:46:39,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:39,868 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:39,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:39,869 INFO L229 MonitoredProcess]: Starting monitored process 718 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:39,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (718)] Waiting until timeout for monitored process [2023-12-02 23:46:40,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:40,142 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:40,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:40,194 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:46:40,196 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:40,942 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:46:40,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (718)] Ended with exit code 0 [2023-12-02 23:46:40,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:40,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:46:40,948 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:46:40,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:46:40,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:40,948 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:40,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:40,949 INFO L229 MonitoredProcess]: Starting monitored process 719 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:40,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (719)] Waiting until timeout for monitored process [2023-12-02 23:46:41,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:41,215 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:41,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:41,264 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:46:41,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:42,012 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:46:42,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (719)] Ended with exit code 0 [2023-12-02 23:46:42,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:42,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:46:42,019 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:46:42,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:46:42,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:42,019 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:42,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:42,020 INFO L229 MonitoredProcess]: Starting monitored process 720 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:42,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (720)] Waiting until timeout for monitored process [2023-12-02 23:46:42,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:42,294 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:42,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:42,345 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:46:42,346 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:43,065 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:46:43,068 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (720)] Ended with exit code 0 [2023-12-02 23:46:43,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:43,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:46:43,071 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:46:43,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:46:43,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:43,071 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:43,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:43,072 INFO L229 MonitoredProcess]: Starting monitored process 721 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:43,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (721)] Waiting until timeout for monitored process [2023-12-02 23:46:43,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:43,351 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:43,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:43,406 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:46:43,407 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:44,141 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:46:44,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (721)] Ended with exit code 0 [2023-12-02 23:46:44,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:44,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:46:44,147 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:46:44,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:46:44,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:44,147 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:44,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:44,148 INFO L229 MonitoredProcess]: Starting monitored process 722 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:44,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (722)] Waiting until timeout for monitored process [2023-12-02 23:46:44,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:44,414 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:44,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:44,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:46:44,467 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:45,211 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:46:45,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (722)] Ended with exit code 0 [2023-12-02 23:46:45,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:45,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:46:45,216 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:46:45,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:46:45,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:45,217 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:45,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:45,217 INFO L229 MonitoredProcess]: Starting monitored process 723 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:45,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (723)] Waiting until timeout for monitored process [2023-12-02 23:46:45,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:45,497 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:45,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:45,550 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:46:45,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:46,303 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:46:46,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (723)] Ended with exit code 0 [2023-12-02 23:46:46,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:46,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:46:46,308 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:46:46,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:46:46,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:46,308 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:46,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:46,309 INFO L229 MonitoredProcess]: Starting monitored process 724 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:46,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (724)] Waiting until timeout for monitored process [2023-12-02 23:46:46,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:46,569 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:46,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:46,614 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:46:46,615 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:47,361 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:46:47,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (724)] Ended with exit code 0 [2023-12-02 23:46:47,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:47,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:46:47,367 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:46:47,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:46:47,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:47,367 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:47,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:47,368 INFO L229 MonitoredProcess]: Starting monitored process 725 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:47,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (725)] Waiting until timeout for monitored process [2023-12-02 23:46:47,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:47,666 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:47,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:47,719 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:46:47,720 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:48,404 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:46:48,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (725)] Ended with exit code 0 [2023-12-02 23:46:48,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:48,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:46:48,409 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:46:48,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:46:48,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:48,409 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:48,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:48,410 INFO L229 MonitoredProcess]: Starting monitored process 726 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:48,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (726)] Waiting until timeout for monitored process [2023-12-02 23:46:48,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:48,676 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:48,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:48,726 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:46:48,727 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:49,416 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:46:49,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (726)] Ended with exit code 0 [2023-12-02 23:46:49,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:49,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:46:49,421 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:46:49,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:46:49,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:49,421 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:49,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:49,422 INFO L229 MonitoredProcess]: Starting monitored process 727 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:49,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (727)] Waiting until timeout for monitored process [2023-12-02 23:46:49,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:49,669 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:49,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:49,714 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:46:49,715 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:50,381 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:46:50,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (727)] Ended with exit code 0 [2023-12-02 23:46:50,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:50,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:46:50,386 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:46:50,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:46:50,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:50,386 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:50,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:50,387 INFO L229 MonitoredProcess]: Starting monitored process 728 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:50,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (728)] Waiting until timeout for monitored process [2023-12-02 23:46:50,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:50,643 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:50,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:50,694 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:46:50,695 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:51,431 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:46:51,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (728)] Ended with exit code 0 [2023-12-02 23:46:51,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:51,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:46:51,435 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:46:51,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:46:51,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:51,436 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:51,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:51,436 INFO L229 MonitoredProcess]: Starting monitored process 729 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:51,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (729)] Waiting until timeout for monitored process [2023-12-02 23:46:51,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:51,684 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:51,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:51,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:46:51,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:52,446 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:46:52,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (729)] Forceful destruction successful, exit code 0 [2023-12-02 23:46:52,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:52,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:46:52,451 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:46:52,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:46:52,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:52,452 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:52,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:52,452 INFO L229 MonitoredProcess]: Starting monitored process 730 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:52,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (730)] Waiting until timeout for monitored process [2023-12-02 23:46:52,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:52,707 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:52,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:52,759 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:46:52,760 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:53,475 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:46:53,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (730)] Ended with exit code 0 [2023-12-02 23:46:53,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:53,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:46:53,480 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:46:53,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:46:53,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:53,480 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:53,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:53,481 INFO L229 MonitoredProcess]: Starting monitored process 731 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:53,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (731)] Waiting until timeout for monitored process [2023-12-02 23:46:53,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:53,728 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:53,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:53,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:46:53,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:54,497 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:46:54,500 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (731)] Ended with exit code 0 [2023-12-02 23:46:54,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:54,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:46:54,503 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:46:54,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:46:54,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:54,504 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:54,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:54,505 INFO L229 MonitoredProcess]: Starting monitored process 732 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:54,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (732)] Waiting until timeout for monitored process [2023-12-02 23:46:54,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:54,758 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:54,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:54,811 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:46:54,812 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:55,524 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:46:55,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (732)] Ended with exit code 0 [2023-12-02 23:46:55,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:55,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:46:55,529 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:46:55,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:46:55,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:55,530 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:55,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:55,531 INFO L229 MonitoredProcess]: Starting monitored process 733 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:55,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (733)] Waiting until timeout for monitored process [2023-12-02 23:46:55,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:55,817 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:55,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:55,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:46:55,872 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:56,662 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:46:56,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (733)] Ended with exit code 0 [2023-12-02 23:46:56,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:56,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:46:56,667 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:46:56,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:46:56,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:56,667 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:56,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:56,668 INFO L229 MonitoredProcess]: Starting monitored process 734 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:56,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (734)] Waiting until timeout for monitored process [2023-12-02 23:46:56,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:56,969 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:57,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:57,030 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:46:57,031 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:57,765 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:46:57,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (734)] Forceful destruction successful, exit code 0 [2023-12-02 23:46:57,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:57,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:46:57,775 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:46:57,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:46:57,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:57,775 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:57,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:57,776 INFO L229 MonitoredProcess]: Starting monitored process 735 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:57,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (735)] Waiting until timeout for monitored process [2023-12-02 23:46:58,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:58,017 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:58,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:58,066 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:46:58,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:58,882 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:46:58,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (735)] Ended with exit code 0 [2023-12-02 23:46:58,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:58,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:46:58,887 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:46:58,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:46:58,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:58,888 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:58,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:58,888 INFO L229 MonitoredProcess]: Starting monitored process 736 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:58,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (736)] Waiting until timeout for monitored process [2023-12-02 23:46:59,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:59,213 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:59,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:59,272 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:46:59,273 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:00,107 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:47:00,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (736)] Ended with exit code 0 [2023-12-02 23:47:00,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:00,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:47:00,113 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:47:00,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:47:00,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:00,113 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:00,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:00,114 INFO L229 MonitoredProcess]: Starting monitored process 737 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:00,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (737)] Waiting until timeout for monitored process [2023-12-02 23:47:00,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:00,438 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:00,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:00,496 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:47:00,497 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:01,302 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:47:01,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (737)] Ended with exit code 0 [2023-12-02 23:47:01,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:01,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:47:01,308 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:47:01,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:47:01,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:01,309 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:01,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:01,310 INFO L229 MonitoredProcess]: Starting monitored process 738 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:01,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (738)] Waiting until timeout for monitored process [2023-12-02 23:47:01,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:01,625 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:01,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:01,686 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:47:01,687 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:02,497 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:47:02,500 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (738)] Ended with exit code 0 [2023-12-02 23:47:02,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:02,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:47:02,504 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:47:02,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:47:02,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:02,504 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:02,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:02,505 INFO L229 MonitoredProcess]: Starting monitored process 739 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:02,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (739)] Waiting until timeout for monitored process [2023-12-02 23:47:02,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:02,813 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:02,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:02,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:47:02,872 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:03,652 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:47:03,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (739)] Ended with exit code 0 [2023-12-02 23:47:03,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:03,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:47:03,657 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:47:03,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:47:03,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:03,657 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:03,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:03,658 INFO L229 MonitoredProcess]: Starting monitored process 740 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:03,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (740)] Waiting until timeout for monitored process [2023-12-02 23:47:03,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:03,907 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:03,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:03,956 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:47:03,957 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:04,607 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:47:04,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (740)] Ended with exit code 0 [2023-12-02 23:47:04,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:04,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:47:04,611 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:47:04,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:47:04,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:04,611 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:04,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:04,612 INFO L229 MonitoredProcess]: Starting monitored process 741 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:04,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (741)] Waiting until timeout for monitored process [2023-12-02 23:47:04,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:04,865 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:04,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:04,913 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:47:04,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:05,603 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:47:05,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (741)] Ended with exit code 0 [2023-12-02 23:47:05,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:05,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:47:05,608 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:47:05,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:47:05,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:05,608 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:05,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:05,609 INFO L229 MonitoredProcess]: Starting monitored process 742 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:05,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (742)] Waiting until timeout for monitored process [2023-12-02 23:47:05,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:05,858 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:05,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:05,905 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:47:05,906 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:06,668 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:47:06,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (742)] Ended with exit code 0 [2023-12-02 23:47:06,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:06,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:47:06,673 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:47:06,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:47:06,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:06,674 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:06,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:06,675 INFO L229 MonitoredProcess]: Starting monitored process 743 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:06,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (743)] Waiting until timeout for monitored process [2023-12-02 23:47:06,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:06,968 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:07,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:07,027 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:47:07,029 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:07,805 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:47:07,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (743)] Ended with exit code 0 [2023-12-02 23:47:07,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:07,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:47:07,811 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:47:07,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:47:07,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:07,811 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:07,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:07,812 INFO L229 MonitoredProcess]: Starting monitored process 744 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:07,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (744)] Waiting until timeout for monitored process [2023-12-02 23:47:08,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:08,139 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:08,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:08,199 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:47:08,200 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:09,050 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:47:09,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (744)] Ended with exit code 0 [2023-12-02 23:47:09,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:09,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:47:09,056 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:47:09,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:47:09,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:09,056 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:09,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:09,057 INFO L229 MonitoredProcess]: Starting monitored process 745 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:09,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (745)] Waiting until timeout for monitored process [2023-12-02 23:47:09,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:09,369 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:09,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:09,429 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:47:09,431 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:10,232 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:47:10,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (745)] Ended with exit code 0 [2023-12-02 23:47:10,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:10,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:47:10,237 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:47:10,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:47:10,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:10,237 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:10,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:10,238 INFO L229 MonitoredProcess]: Starting monitored process 746 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:10,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (746)] Waiting until timeout for monitored process [2023-12-02 23:47:10,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:10,562 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:10,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:10,620 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:47:10,621 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:11,414 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:47:11,417 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (746)] Ended with exit code 0 [2023-12-02 23:47:11,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:11,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:47:11,420 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:47:11,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:47:11,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:11,421 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:11,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:11,421 INFO L229 MonitoredProcess]: Starting monitored process 747 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:11,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (747)] Waiting until timeout for monitored process [2023-12-02 23:47:11,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:11,744 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:11,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:11,803 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:47:11,804 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:12,614 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:47:12,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (747)] Ended with exit code 0 [2023-12-02 23:47:12,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:12,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:47:12,620 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:47:12,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:47:12,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:12,620 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:12,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:12,621 INFO L229 MonitoredProcess]: Starting monitored process 748 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:12,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (748)] Waiting until timeout for monitored process [2023-12-02 23:47:12,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:12,947 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:13,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:13,010 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:47:13,011 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:13,767 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:47:13,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (748)] Ended with exit code 0 [2023-12-02 23:47:13,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:13,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:47:13,773 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:47:13,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:47:13,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:13,773 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:13,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:13,774 INFO L229 MonitoredProcess]: Starting monitored process 749 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:13,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (749)] Waiting until timeout for monitored process [2023-12-02 23:47:14,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:14,040 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:14,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:14,090 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:47:14,091 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:14,844 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:47:14,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (749)] Ended with exit code 0 [2023-12-02 23:47:14,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:14,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:47:14,850 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:47:14,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:47:14,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:14,850 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:14,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:14,851 INFO L229 MonitoredProcess]: Starting monitored process 750 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:14,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (750)] Waiting until timeout for monitored process [2023-12-02 23:47:15,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:15,164 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:15,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:15,223 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:47:15,224 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:16,060 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:47:16,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (750)] Ended with exit code 0 [2023-12-02 23:47:16,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:16,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:47:16,065 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:47:16,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:47:16,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:16,065 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:16,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:16,066 INFO L229 MonitoredProcess]: Starting monitored process 751 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:16,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (751)] Waiting until timeout for monitored process [2023-12-02 23:47:16,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:16,378 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:16,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:16,436 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:47:16,437 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:17,233 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:47:17,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (751)] Ended with exit code 0 [2023-12-02 23:47:17,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:17,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:47:17,239 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:47:17,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:47:17,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:17,239 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:17,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:17,240 INFO L229 MonitoredProcess]: Starting monitored process 752 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:17,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (752)] Waiting until timeout for monitored process [2023-12-02 23:47:17,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:17,549 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:17,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:17,608 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:47:17,609 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:18,422 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:47:18,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (752)] Forceful destruction successful, exit code 0 [2023-12-02 23:47:18,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:18,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:47:18,428 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:47:18,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:47:18,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:18,428 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:18,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:18,429 INFO L229 MonitoredProcess]: Starting monitored process 753 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:18,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (753)] Waiting until timeout for monitored process [2023-12-02 23:47:18,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:18,759 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:18,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:18,815 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:47:18,816 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:19,629 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:47:19,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (753)] Forceful destruction successful, exit code 0 [2023-12-02 23:47:19,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:19,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:47:19,635 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:47:19,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:47:19,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:19,635 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:19,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:19,636 INFO L229 MonitoredProcess]: Starting monitored process 754 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:19,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (754)] Waiting until timeout for monitored process [2023-12-02 23:47:19,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:19,924 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:19,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:19,979 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:47:19,980 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:20,694 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:47:20,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (754)] Ended with exit code 0 [2023-12-02 23:47:20,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:20,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:47:20,699 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:47:20,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:47:20,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:20,699 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:20,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:20,699 INFO L229 MonitoredProcess]: Starting monitored process 755 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:20,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (755)] Waiting until timeout for monitored process [2023-12-02 23:47:20,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:20,957 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:20,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:21,002 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:47:21,003 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:21,673 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:47:21,676 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (755)] Ended with exit code 0 [2023-12-02 23:47:21,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:21,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:47:21,678 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:47:21,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:47:21,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:21,678 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:21,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:21,679 INFO L229 MonitoredProcess]: Starting monitored process 756 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:21,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (756)] Waiting until timeout for monitored process [2023-12-02 23:47:21,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:21,941 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:21,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:21,993 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:47:21,994 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:22,677 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:47:22,680 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (756)] Ended with exit code 0 [2023-12-02 23:47:22,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:22,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:47:22,682 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:47:22,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:47:22,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:22,683 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:22,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:22,683 INFO L229 MonitoredProcess]: Starting monitored process 757 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:22,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (757)] Waiting until timeout for monitored process [2023-12-02 23:47:22,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:22,939 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:22,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:22,989 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:47:22,990 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:23,658 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:47:23,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (757)] Ended with exit code 0 [2023-12-02 23:47:23,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:23,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:47:23,662 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:47:23,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:47:23,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:23,663 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:23,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:23,663 INFO L229 MonitoredProcess]: Starting monitored process 758 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:23,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (758)] Waiting until timeout for monitored process [2023-12-02 23:47:23,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:23,927 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:23,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:23,975 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:47:23,976 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:24,721 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:47:24,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (758)] Ended with exit code 0 [2023-12-02 23:47:24,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:24,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:47:24,726 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:47:24,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:47:24,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:24,727 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:24,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:24,728 INFO L229 MonitoredProcess]: Starting monitored process 759 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:24,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (759)] Waiting until timeout for monitored process [2023-12-02 23:47:25,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:25,045 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:25,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:25,107 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:47:25,108 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:25,808 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:47:25,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (759)] Ended with exit code 0 [2023-12-02 23:47:25,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:25,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:47:25,813 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:47:25,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:47:25,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:25,814 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:25,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:25,814 INFO L229 MonitoredProcess]: Starting monitored process 760 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:25,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (760)] Waiting until timeout for monitored process [2023-12-02 23:47:26,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:26,091 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:26,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:26,145 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:47:26,146 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:26,900 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:47:26,902 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (760)] Ended with exit code 0 [2023-12-02 23:47:26,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:26,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:47:26,905 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:47:26,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:47:26,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:26,905 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:26,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:26,906 INFO L229 MonitoredProcess]: Starting monitored process 761 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:26,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (761)] Waiting until timeout for monitored process [2023-12-02 23:47:27,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:27,182 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:27,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:27,238 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:47:27,239 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:27,996 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:47:27,999 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (761)] Forceful destruction successful, exit code 0 [2023-12-02 23:47:28,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:28,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:47:28,002 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:47:28,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:47:28,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:28,002 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:28,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:28,003 INFO L229 MonitoredProcess]: Starting monitored process 762 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:28,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (762)] Waiting until timeout for monitored process [2023-12-02 23:47:28,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:28,285 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:28,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:28,340 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:47:28,341 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:29,098 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:47:29,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (762)] Forceful destruction successful, exit code 0 [2023-12-02 23:47:29,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:29,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:47:29,104 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:47:29,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:47:29,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:29,104 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:29,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:29,105 INFO L229 MonitoredProcess]: Starting monitored process 763 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:29,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (763)] Waiting until timeout for monitored process [2023-12-02 23:47:29,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:29,391 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:29,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:29,444 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:47:29,445 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:30,163 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:47:30,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (763)] Ended with exit code 0 [2023-12-02 23:47:30,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:30,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:47:30,168 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:47:30,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:47:30,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:30,169 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:30,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:30,169 INFO L229 MonitoredProcess]: Starting monitored process 764 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:30,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (764)] Waiting until timeout for monitored process [2023-12-02 23:47:30,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:30,453 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:30,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:30,507 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:47:30,508 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:31,272 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:47:31,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (764)] Ended with exit code 0 [2023-12-02 23:47:31,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:31,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:47:31,277 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:47:31,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:47:31,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:31,277 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:31,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:31,278 INFO L229 MonitoredProcess]: Starting monitored process 765 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:31,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (765)] Waiting until timeout for monitored process [2023-12-02 23:47:31,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:31,564 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:31,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:31,619 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:47:31,620 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:32,339 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:47:32,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (765)] Ended with exit code 0 [2023-12-02 23:47:32,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:32,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:47:32,345 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:47:32,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:47:32,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:32,345 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:32,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:32,346 INFO L229 MonitoredProcess]: Starting monitored process 766 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:32,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (766)] Waiting until timeout for monitored process [2023-12-02 23:47:32,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:32,626 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:32,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:32,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:47:32,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:33,391 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:47:33,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (766)] Ended with exit code 0 [2023-12-02 23:47:33,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:33,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:47:33,396 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:47:33,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:47:33,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:33,396 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:33,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:33,397 INFO L229 MonitoredProcess]: Starting monitored process 767 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:33,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (767)] Waiting until timeout for monitored process [2023-12-02 23:47:33,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:33,667 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:33,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:33,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:47:33,725 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:34,457 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:47:34,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (767)] Ended with exit code 0 [2023-12-02 23:47:34,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:34,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:47:34,463 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:47:34,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:47:34,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:34,463 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:34,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:34,464 INFO L229 MonitoredProcess]: Starting monitored process 768 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:34,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (768)] Waiting until timeout for monitored process [2023-12-02 23:47:34,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:34,755 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:34,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:34,809 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:47:34,810 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:35,557 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:47:35,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (768)] Ended with exit code 0 [2023-12-02 23:47:35,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:35,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:47:35,562 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:47:35,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:47:35,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:35,563 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:35,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:35,564 INFO L229 MonitoredProcess]: Starting monitored process 769 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:35,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (769)] Waiting until timeout for monitored process [2023-12-02 23:47:35,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:35,825 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:35,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:35,876 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:47:35,878 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:36,674 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:47:36,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (769)] Ended with exit code 0 [2023-12-02 23:47:36,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:36,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:47:36,680 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:47:36,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:47:36,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:36,680 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:36,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:36,681 INFO L229 MonitoredProcess]: Starting monitored process 770 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:36,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (770)] Waiting until timeout for monitored process [2023-12-02 23:47:36,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:36,962 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:37,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:37,018 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:47:37,019 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:37,763 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:47:37,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (770)] Ended with exit code 0 [2023-12-02 23:47:37,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:37,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:47:37,768 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:47:37,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:47:37,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:37,768 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:37,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:37,769 INFO L229 MonitoredProcess]: Starting monitored process 771 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:37,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (771)] Waiting until timeout for monitored process [2023-12-02 23:47:38,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:38,053 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:38,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:38,101 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:47:38,102 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:38,835 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:47:38,838 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (771)] Ended with exit code 0 [2023-12-02 23:47:38,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:38,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:47:38,840 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:47:38,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:47:38,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:38,841 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:38,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:38,842 INFO L229 MonitoredProcess]: Starting monitored process 772 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:38,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (772)] Waiting until timeout for monitored process [2023-12-02 23:47:39,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:39,123 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:39,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:39,174 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:47:39,175 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:39,926 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:47:39,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (772)] Ended with exit code 0 [2023-12-02 23:47:39,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:39,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:47:39,932 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:47:39,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:47:39,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:39,932 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:39,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:39,933 INFO L229 MonitoredProcess]: Starting monitored process 773 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:39,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (773)] Waiting until timeout for monitored process [2023-12-02 23:47:40,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:40,223 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:40,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:40,277 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:47:40,279 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:41,036 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:47:41,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (773)] Ended with exit code 0 [2023-12-02 23:47:41,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:41,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:47:41,041 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:47:41,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:47:41,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:41,041 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:41,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:41,042 INFO L229 MonitoredProcess]: Starting monitored process 774 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:41,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (774)] Waiting until timeout for monitored process [2023-12-02 23:47:41,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:41,336 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:41,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:41,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:47:41,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:42,135 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:47:42,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (774)] Forceful destruction successful, exit code 0 [2023-12-02 23:47:42,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:42,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:47:42,140 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:47:42,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:47:42,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:42,140 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:42,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:42,141 INFO L229 MonitoredProcess]: Starting monitored process 775 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:42,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (775)] Waiting until timeout for monitored process [2023-12-02 23:47:42,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:42,454 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:42,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:42,509 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:47:42,510 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:43,251 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:47:43,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (775)] Ended with exit code 0 [2023-12-02 23:47:43,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:43,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:47:43,258 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:47:43,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:47:43,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:43,258 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:43,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:43,259 INFO L229 MonitoredProcess]: Starting monitored process 776 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:43,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (776)] Waiting until timeout for monitored process [2023-12-02 23:47:43,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:43,554 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:43,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:43,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:47:43,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:44,336 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:47:44,339 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (776)] Ended with exit code 0 [2023-12-02 23:47:44,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:44,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:47:44,345 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:47:44,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:47:44,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:44,345 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:44,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:44,346 INFO L229 MonitoredProcess]: Starting monitored process 777 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:44,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (777)] Waiting until timeout for monitored process [2023-12-02 23:47:44,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:44,636 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:44,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:44,692 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:47:44,693 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:45,451 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:47:45,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (777)] Ended with exit code 0 [2023-12-02 23:47:45,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:45,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:47:45,455 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:47:45,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:47:45,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:45,456 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:45,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:45,457 INFO L229 MonitoredProcess]: Starting monitored process 778 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:45,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (778)] Waiting until timeout for monitored process [2023-12-02 23:47:45,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:45,737 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:45,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:45,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:47:45,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:46,519 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:47:46,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (778)] Ended with exit code 0 [2023-12-02 23:47:46,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:46,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:47:46,524 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:47:46,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:47:46,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:46,524 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:46,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:46,525 INFO L229 MonitoredProcess]: Starting monitored process 779 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:46,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (779)] Waiting until timeout for monitored process [2023-12-02 23:47:46,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:46,788 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:46,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:46,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:47:46,840 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:47,603 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:47:47,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (779)] Ended with exit code 0 [2023-12-02 23:47:47,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:47,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:47:47,610 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:47:47,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:47:47,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:47,610 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:47,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:47,611 INFO L229 MonitoredProcess]: Starting monitored process 780 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:47,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (780)] Waiting until timeout for monitored process [2023-12-02 23:47:47,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:47,900 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:47,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:47,953 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:47:47,954 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:48,692 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:47:48,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (780)] Ended with exit code 0 [2023-12-02 23:47:48,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:48,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:47:48,698 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:47:48,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:47:48,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:48,698 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:48,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:48,699 INFO L229 MonitoredProcess]: Starting monitored process 781 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:48,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (781)] Waiting until timeout for monitored process [2023-12-02 23:47:48,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:48,984 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:49,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:49,037 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:47:49,038 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:49,722 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:47:49,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (781)] Ended with exit code 0 [2023-12-02 23:47:49,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:49,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:47:49,727 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:47:49,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:47:49,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:49,727 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:49,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:49,728 INFO L229 MonitoredProcess]: Starting monitored process 782 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:49,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (782)] Waiting until timeout for monitored process [2023-12-02 23:47:49,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:49,985 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:50,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:50,035 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:47:50,036 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:50,716 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:47:50,719 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (782)] Ended with exit code 0 [2023-12-02 23:47:50,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:50,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:47:50,721 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:47:50,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:47:50,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:50,722 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:50,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:50,722 INFO L229 MonitoredProcess]: Starting monitored process 783 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:50,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (783)] Waiting until timeout for monitored process [2023-12-02 23:47:50,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:50,985 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:51,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:51,039 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:47:51,040 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:51,754 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:47:51,757 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (783)] Ended with exit code 0 [2023-12-02 23:47:51,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:51,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:47:51,759 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:47:51,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:47:51,760 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:51,760 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:51,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:51,760 INFO L229 MonitoredProcess]: Starting monitored process 784 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:51,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (784)] Waiting until timeout for monitored process [2023-12-02 23:47:52,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:52,034 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:52,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:52,079 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:47:52,080 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:52,779 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:47:52,782 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (784)] Ended with exit code 0 [2023-12-02 23:47:52,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:52,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:47:52,785 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:47:52,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:47:52,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:52,785 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:52,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:52,786 INFO L229 MonitoredProcess]: Starting monitored process 785 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:52,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (785)] Waiting until timeout for monitored process [2023-12-02 23:47:53,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:53,067 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:53,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:53,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:47:53,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:53,833 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:47:53,836 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (785)] Ended with exit code 0 [2023-12-02 23:47:53,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:53,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:47:53,839 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:47:53,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:47:53,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:53,839 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:53,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:53,839 INFO L229 MonitoredProcess]: Starting monitored process 786 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:53,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (786)] Waiting until timeout for monitored process [2023-12-02 23:47:54,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:54,091 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:54,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:54,138 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:47:54,139 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:54,808 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:47:54,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (786)] Ended with exit code 0 [2023-12-02 23:47:54,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:54,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:47:54,814 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:47:54,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:47:54,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:54,814 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:54,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:54,815 INFO L229 MonitoredProcess]: Starting monitored process 787 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:54,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (787)] Waiting until timeout for monitored process [2023-12-02 23:47:55,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:55,073 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:55,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:55,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:47:55,125 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:55,819 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:47:55,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (787)] Ended with exit code 0 [2023-12-02 23:47:55,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:55,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:47:55,824 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:47:55,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:47:55,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:55,824 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:55,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:55,825 INFO L229 MonitoredProcess]: Starting monitored process 788 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:55,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (788)] Waiting until timeout for monitored process [2023-12-02 23:47:56,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:56,107 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:56,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:56,159 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:47:56,160 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:56,902 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:47:56,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (788)] Ended with exit code 0 [2023-12-02 23:47:56,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:56,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:47:56,908 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:47:56,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:47:56,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:56,908 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:56,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:56,909 INFO L229 MonitoredProcess]: Starting monitored process 789 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:56,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (789)] Waiting until timeout for monitored process [2023-12-02 23:47:57,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:57,151 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:57,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:57,201 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:47:57,202 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:57,909 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:47:57,912 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (789)] Ended with exit code 0 [2023-12-02 23:47:57,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:57,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:47:57,915 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:47:57,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:47:57,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:57,915 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:57,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:57,916 INFO L229 MonitoredProcess]: Starting monitored process 790 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:57,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (790)] Waiting until timeout for monitored process [2023-12-02 23:47:58,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:58,186 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:58,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:58,237 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:47:58,239 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:59,009 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:47:59,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (790)] Ended with exit code 0 [2023-12-02 23:47:59,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:59,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:47:59,015 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:47:59,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:47:59,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:59,015 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:59,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:59,016 INFO L229 MonitoredProcess]: Starting monitored process 791 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:59,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (791)] Waiting until timeout for monitored process [2023-12-02 23:47:59,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:59,321 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:59,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:59,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:47:59,379 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:00,184 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:48:00,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (791)] Ended with exit code 0 [2023-12-02 23:48:00,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:00,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:48:00,190 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:48:00,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:48:00,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:00,190 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:00,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:00,191 INFO L229 MonitoredProcess]: Starting monitored process 792 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:00,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (792)] Waiting until timeout for monitored process [2023-12-02 23:48:00,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:00,484 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:00,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:00,537 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:48:00,538 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:01,292 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:48:01,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (792)] Ended with exit code 0 [2023-12-02 23:48:01,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:01,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:48:01,298 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:48:01,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:48:01,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:01,298 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:01,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:01,299 INFO L229 MonitoredProcess]: Starting monitored process 793 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:01,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (793)] Waiting until timeout for monitored process [2023-12-02 23:48:01,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:01,532 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:01,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:01,580 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:48:01,581 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:02,249 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:48:02,252 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (793)] Ended with exit code 0 [2023-12-02 23:48:02,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:02,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:48:02,256 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:48:02,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:48:02,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:02,256 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:02,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:02,257 INFO L229 MonitoredProcess]: Starting monitored process 794 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:02,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (794)] Waiting until timeout for monitored process [2023-12-02 23:48:02,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:02,528 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:02,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:02,586 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:48:02,587 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:03,341 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:48:03,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (794)] Forceful destruction successful, exit code 0 [2023-12-02 23:48:03,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:03,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:48:03,347 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:48:03,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:48:03,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:03,347 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:03,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:03,348 INFO L229 MonitoredProcess]: Starting monitored process 795 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:03,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (795)] Waiting until timeout for monitored process [2023-12-02 23:48:03,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:03,673 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:03,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:03,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:48:03,734 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:04,567 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:48:04,570 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (795)] Ended with exit code 0 [2023-12-02 23:48:04,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:04,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:48:04,573 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:48:04,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:48:04,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:04,573 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:04,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:04,574 INFO L229 MonitoredProcess]: Starting monitored process 796 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:04,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (796)] Waiting until timeout for monitored process [2023-12-02 23:48:04,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:04,898 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:04,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:04,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:48:04,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:05,770 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:48:05,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (796)] Ended with exit code 0 [2023-12-02 23:48:05,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:05,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:48:05,775 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:48:05,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:48:05,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:05,776 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:05,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:05,776 INFO L229 MonitoredProcess]: Starting monitored process 797 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:05,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (797)] Waiting until timeout for monitored process [2023-12-02 23:48:06,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:06,102 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:06,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:06,164 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:48:06,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:06,968 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:48:06,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (797)] Ended with exit code 0 [2023-12-02 23:48:06,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:06,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:48:06,974 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:48:06,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:48:06,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:06,974 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:06,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:06,975 INFO L229 MonitoredProcess]: Starting monitored process 798 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:06,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (798)] Waiting until timeout for monitored process [2023-12-02 23:48:07,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:07,283 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:07,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:07,342 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:48:07,343 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:08,161 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:48:08,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (798)] Ended with exit code 0 [2023-12-02 23:48:08,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:08,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:48:08,166 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:48:08,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:48:08,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:08,166 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:08,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:08,167 INFO L229 MonitoredProcess]: Starting monitored process 799 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:08,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (799)] Waiting until timeout for monitored process [2023-12-02 23:48:08,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:08,486 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:08,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:08,545 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:48:08,546 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:09,231 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:48:09,233 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (799)] Ended with exit code 0 [2023-12-02 23:48:09,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:09,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:48:09,235 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:48:09,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:48:09,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:09,235 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:09,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:09,236 INFO L229 MonitoredProcess]: Starting monitored process 800 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:09,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (800)] Waiting until timeout for monitored process [2023-12-02 23:48:09,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:09,481 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:09,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:09,530 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:48:09,531 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:10,207 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:48:10,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (800)] Ended with exit code 0 [2023-12-02 23:48:10,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:10,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:48:10,212 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:48:10,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:48:10,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:10,212 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:10,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:10,213 INFO L229 MonitoredProcess]: Starting monitored process 801 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:10,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (801)] Waiting until timeout for monitored process [2023-12-02 23:48:10,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:10,458 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:10,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:10,503 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:48:10,504 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:11,154 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:48:11,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (801)] Ended with exit code 0 [2023-12-02 23:48:11,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:11,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:48:11,158 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:48:11,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:48:11,158 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:11,158 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:11,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:11,159 INFO L229 MonitoredProcess]: Starting monitored process 802 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:11,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (802)] Waiting until timeout for monitored process [2023-12-02 23:48:11,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:11,408 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:11,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:11,456 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:48:11,458 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:12,119 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:48:12,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (802)] Forceful destruction successful, exit code 0 [2023-12-02 23:48:12,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:12,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:48:12,124 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:48:12,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:48:12,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:12,125 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:12,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:12,125 INFO L229 MonitoredProcess]: Starting monitored process 803 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:12,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (803)] Waiting until timeout for monitored process [2023-12-02 23:48:12,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:12,392 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:12,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:12,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:48:12,441 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:13,152 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:48:13,155 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (803)] Ended with exit code 0 [2023-12-02 23:48:13,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:13,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:48:13,157 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:48:13,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:48:13,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:13,157 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:13,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:13,158 INFO L229 MonitoredProcess]: Starting monitored process 804 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:13,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (804)] Waiting until timeout for monitored process [2023-12-02 23:48:13,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:13,416 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:13,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:13,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:48:13,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:14,197 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:48:14,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (804)] Ended with exit code 0 [2023-12-02 23:48:14,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:14,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:48:14,202 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:48:14,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:48:14,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:14,205 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:14,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:14,206 INFO L229 MonitoredProcess]: Starting monitored process 805 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:14,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (805)] Waiting until timeout for monitored process [2023-12-02 23:48:14,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:14,502 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:14,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:14,560 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:48:14,561 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:15,351 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:48:15,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (805)] Ended with exit code 0 [2023-12-02 23:48:15,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:15,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:48:15,356 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:48:15,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:48:15,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:15,356 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:15,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:15,357 INFO L229 MonitoredProcess]: Starting monitored process 806 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:15,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (806)] Waiting until timeout for monitored process [2023-12-02 23:48:15,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:15,623 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:15,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:15,672 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:48:15,673 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:16,577 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:48:16,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (806)] Forceful destruction successful, exit code 0 [2023-12-02 23:48:16,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:16,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:48:16,583 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:48:16,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:48:16,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:16,583 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:16,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:16,584 INFO L229 MonitoredProcess]: Starting monitored process 807 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:16,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (807)] Waiting until timeout for monitored process [2023-12-02 23:48:16,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:16,938 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:16,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:16,996 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:48:16,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:17,919 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:48:17,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (807)] Forceful destruction successful, exit code 0 [2023-12-02 23:48:17,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:17,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:48:17,924 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:48:17,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:48:17,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:17,925 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:17,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:17,925 INFO L229 MonitoredProcess]: Starting monitored process 808 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:17,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (808)] Waiting until timeout for monitored process [2023-12-02 23:48:18,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:18,229 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:18,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:18,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:48:18,295 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:19,115 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:48:19,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (808)] Ended with exit code 0 [2023-12-02 23:48:19,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:19,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:48:19,120 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:48:19,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:48:19,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:19,120 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:19,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:19,121 INFO L229 MonitoredProcess]: Starting monitored process 809 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:19,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (809)] Waiting until timeout for monitored process [2023-12-02 23:48:19,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:19,511 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:19,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:19,567 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:48:19,568 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:20,374 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:48:20,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (809)] Ended with exit code 0 [2023-12-02 23:48:20,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:20,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:48:20,379 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:48:20,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:48:20,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:20,379 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:20,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:20,380 INFO L229 MonitoredProcess]: Starting monitored process 810 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:20,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (810)] Waiting until timeout for monitored process [2023-12-02 23:48:20,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:20,669 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:20,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:20,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:48:20,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:21,583 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:48:21,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (810)] Forceful destruction successful, exit code 0 [2023-12-02 23:48:21,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:21,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:48:21,589 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:48:21,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:48:21,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:21,589 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:21,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:21,590 INFO L229 MonitoredProcess]: Starting monitored process 811 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:21,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (811)] Waiting until timeout for monitored process [2023-12-02 23:48:21,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:21,917 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:21,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:21,979 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:48:21,980 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:22,838 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:48:22,841 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (811)] Ended with exit code 0 [2023-12-02 23:48:22,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:22,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:48:22,843 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:48:22,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:48:22,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:22,844 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:22,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:22,845 INFO L229 MonitoredProcess]: Starting monitored process 812 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:22,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (812)] Waiting until timeout for monitored process [2023-12-02 23:48:23,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:23,133 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:23,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:23,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:48:23,183 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:23,901 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:48:23,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (812)] Ended with exit code 0 [2023-12-02 23:48:23,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:23,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:48:23,907 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:48:23,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:48:23,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:23,908 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:23,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:23,908 INFO L229 MonitoredProcess]: Starting monitored process 813 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:23,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (813)] Waiting until timeout for monitored process [2023-12-02 23:48:24,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:24,214 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:24,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:24,272 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:48:24,273 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:25,054 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:48:25,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (813)] Ended with exit code 0 [2023-12-02 23:48:25,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:25,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:48:25,059 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:48:25,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:48:25,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:25,059 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:25,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:25,060 INFO L229 MonitoredProcess]: Starting monitored process 814 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:25,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (814)] Waiting until timeout for monitored process [2023-12-02 23:48:25,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:25,345 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:25,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:25,403 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:48:25,404 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:26,162 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:48:26,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (814)] Forceful destruction successful, exit code 0 [2023-12-02 23:48:26,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:26,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:48:26,166 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:48:26,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:48:26,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:26,167 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:26,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:26,167 INFO L229 MonitoredProcess]: Starting monitored process 815 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:26,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (815)] Waiting until timeout for monitored process [2023-12-02 23:48:26,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:26,405 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:26,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:26,454 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:48:26,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:27,117 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:48:27,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (815)] Ended with exit code 0 [2023-12-02 23:48:27,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:27,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:48:27,121 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:48:27,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:48:27,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:27,121 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:27,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:27,122 INFO L229 MonitoredProcess]: Starting monitored process 816 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:27,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (816)] Waiting until timeout for monitored process [2023-12-02 23:48:27,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:27,383 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:27,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:27,430 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:48:27,431 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:28,157 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:48:28,159 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (816)] Forceful destruction successful, exit code 0 [2023-12-02 23:48:28,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:28,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:48:28,162 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:48:28,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:48:28,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:28,162 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:28,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:28,163 INFO L229 MonitoredProcess]: Starting monitored process 817 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:28,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (817)] Waiting until timeout for monitored process [2023-12-02 23:48:28,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:28,432 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:28,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:28,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:48:28,484 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:29,214 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:48:29,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (817)] Forceful destruction successful, exit code 0 [2023-12-02 23:48:29,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:29,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:48:29,219 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:48:29,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:48:29,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:29,219 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:29,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:29,220 INFO L229 MonitoredProcess]: Starting monitored process 818 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:29,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (818)] Waiting until timeout for monitored process [2023-12-02 23:48:29,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:29,486 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:29,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:29,539 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:48:29,540 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:30,209 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:48:30,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (818)] Ended with exit code 0 [2023-12-02 23:48:30,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:30,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:48:30,213 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:48:30,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:48:30,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:30,213 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:30,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:30,214 INFO L229 MonitoredProcess]: Starting monitored process 819 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:30,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (819)] Waiting until timeout for monitored process [2023-12-02 23:48:30,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:30,464 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:30,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:30,513 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:48:30,514 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:31,208 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:48:31,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (819)] Ended with exit code 0 [2023-12-02 23:48:31,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:31,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:48:31,217 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:48:31,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:48:31,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:31,217 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:31,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:31,218 INFO L229 MonitoredProcess]: Starting monitored process 820 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:31,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (820)] Waiting until timeout for monitored process [2023-12-02 23:48:31,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:31,488 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:31,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:31,538 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:48:31,539 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:32,260 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:48:32,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (820)] Ended with exit code 0 [2023-12-02 23:48:32,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:32,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:48:32,268 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:48:32,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:48:32,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:32,269 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:32,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:32,270 INFO L229 MonitoredProcess]: Starting monitored process 821 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:32,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (821)] Waiting until timeout for monitored process [2023-12-02 23:48:32,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:32,588 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:32,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:32,649 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:48:32,650 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:33,473 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:48:33,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (821)] Ended with exit code 0 [2023-12-02 23:48:33,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:33,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:48:33,479 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:48:33,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:48:33,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:33,479 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:33,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:33,480 INFO L229 MonitoredProcess]: Starting monitored process 822 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:33,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (822)] Waiting until timeout for monitored process [2023-12-02 23:48:33,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:33,791 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:33,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:33,850 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:48:33,851 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:34,698 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:48:34,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (822)] Ended with exit code 0 [2023-12-02 23:48:34,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:34,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:48:34,704 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:48:34,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:48:34,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:34,704 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:34,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:34,705 INFO L229 MonitoredProcess]: Starting monitored process 823 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:34,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (823)] Waiting until timeout for monitored process [2023-12-02 23:48:35,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:35,024 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:35,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:35,086 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:48:35,087 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:35,971 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:48:35,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (823)] Ended with exit code 0 [2023-12-02 23:48:35,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:35,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:48:35,976 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:48:35,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:48:35,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:35,977 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:35,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:35,978 INFO L229 MonitoredProcess]: Starting monitored process 824 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:35,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (824)] Waiting until timeout for monitored process [2023-12-02 23:48:36,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:36,291 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:36,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:36,348 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:48:36,349 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:37,157 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:48:37,159 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (824)] Forceful destruction successful, exit code 0 [2023-12-02 23:48:37,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:37,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:48:37,162 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:48:37,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:48:37,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:37,162 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:37,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:37,163 INFO L229 MonitoredProcess]: Starting monitored process 825 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:37,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (825)] Waiting until timeout for monitored process [2023-12-02 23:48:37,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:37,477 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:37,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:37,537 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:48:37,538 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:38,407 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:48:38,410 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (825)] Ended with exit code 0 [2023-12-02 23:48:38,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:38,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:48:38,413 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:48:38,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:48:38,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:38,413 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:38,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:38,414 INFO L229 MonitoredProcess]: Starting monitored process 826 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:38,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (826)] Waiting until timeout for monitored process [2023-12-02 23:48:38,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:38,727 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:38,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:38,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:48:38,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:39,643 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:48:39,646 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (826)] Ended with exit code 0 [2023-12-02 23:48:39,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:39,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:48:39,649 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:48:39,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:48:39,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:39,649 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:39,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:39,650 INFO L229 MonitoredProcess]: Starting monitored process 827 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:39,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (827)] Waiting until timeout for monitored process [2023-12-02 23:48:39,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:39,966 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:40,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:40,029 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:48:40,030 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:40,861 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:48:40,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (827)] Ended with exit code 0 [2023-12-02 23:48:40,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:40,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:48:40,867 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:48:40,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:48:40,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:40,867 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:40,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:40,868 INFO L229 MonitoredProcess]: Starting monitored process 828 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:40,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (828)] Waiting until timeout for monitored process [2023-12-02 23:48:41,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:41,199 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:41,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:41,257 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:48:41,258 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:42,130 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:48:42,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (828)] Forceful destruction successful, exit code 0 [2023-12-02 23:48:42,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:42,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:48:42,135 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:48:42,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:48:42,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:42,135 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:42,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:42,136 INFO L229 MonitoredProcess]: Starting monitored process 829 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:42,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (829)] Waiting until timeout for monitored process [2023-12-02 23:48:42,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:42,503 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:42,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:42,564 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:48:42,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:44,834 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:48:44,836 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (829)] Ended with exit code 0 [2023-12-02 23:48:44,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:44,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:48:44,839 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:48:44,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:48:44,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:44,839 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:44,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:44,840 INFO L229 MonitoredProcess]: Starting monitored process 830 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:44,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (830)] Waiting until timeout for monitored process [2023-12-02 23:48:45,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:45,184 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:45,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:45,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:48:45,249 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:46,069 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:48:46,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (830)] Ended with exit code 0 [2023-12-02 23:48:46,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:46,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:48:46,074 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:48:46,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:48:46,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:46,074 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:46,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:46,075 INFO L229 MonitoredProcess]: Starting monitored process 831 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:46,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (831)] Waiting until timeout for monitored process [2023-12-02 23:48:46,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:46,409 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:46,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:46,467 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:48:46,468 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:47,335 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:48:47,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (831)] Ended with exit code 0 [2023-12-02 23:48:47,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:47,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:48:47,341 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:48:47,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:48:47,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:47,341 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:47,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:47,342 INFO L229 MonitoredProcess]: Starting monitored process 832 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:47,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (832)] Waiting until timeout for monitored process [2023-12-02 23:48:47,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:47,653 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:47,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:47,715 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:48:47,717 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:48,550 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:48:48,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (832)] Forceful destruction successful, exit code 0 [2023-12-02 23:48:48,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:48,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:48:48,556 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:48:48,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:48:48,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:48,557 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:48,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:48,558 INFO L229 MonitoredProcess]: Starting monitored process 833 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:48,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (833)] Waiting until timeout for monitored process [2023-12-02 23:48:48,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:48,886 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:48,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:48,953 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:48:48,954 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:49,804 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:48:49,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (833)] Ended with exit code 0 [2023-12-02 23:48:49,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:49,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:48:49,810 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:48:49,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:48:49,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:49,810 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:49,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:49,811 INFO L229 MonitoredProcess]: Starting monitored process 834 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:49,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (834)] Waiting until timeout for monitored process [2023-12-02 23:48:50,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:50,131 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:50,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:50,191 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:48:50,192 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:51,025 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:48:51,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (834)] Ended with exit code 0 [2023-12-02 23:48:51,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:51,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:48:51,030 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:48:51,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:48:51,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:51,030 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:51,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:51,031 INFO L229 MonitoredProcess]: Starting monitored process 835 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:51,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (835)] Waiting until timeout for monitored process [2023-12-02 23:48:51,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:51,381 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:51,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:51,444 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:48:51,445 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:52,349 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:48:52,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (835)] Forceful destruction successful, exit code 0 [2023-12-02 23:48:52,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:52,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:48:52,354 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:48:52,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:48:52,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:52,355 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:52,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:52,355 INFO L229 MonitoredProcess]: Starting monitored process 836 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:52,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (836)] Waiting until timeout for monitored process [2023-12-02 23:48:52,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:52,724 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:52,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:52,787 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:48:52,788 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:53,627 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:48:53,630 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (836)] Forceful destruction successful, exit code 0 [2023-12-02 23:48:53,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:53,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:48:53,634 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:48:53,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:48:53,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:53,634 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:53,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:53,635 INFO L229 MonitoredProcess]: Starting monitored process 837 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:53,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (837)] Waiting until timeout for monitored process [2023-12-02 23:48:53,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:53,957 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:54,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:54,018 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:48:54,019 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:54,860 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:48:54,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (837)] Ended with exit code 0 [2023-12-02 23:48:54,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:54,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:48:54,865 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:48:54,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:48:54,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:54,865 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:54,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:54,866 INFO L229 MonitoredProcess]: Starting monitored process 838 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:54,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (838)] Waiting until timeout for monitored process [2023-12-02 23:48:55,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:55,186 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:55,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:55,246 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:48:55,247 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:56,086 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:48:56,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (838)] Ended with exit code 0 [2023-12-02 23:48:56,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:56,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:48:56,092 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:48:56,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:48:56,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:56,092 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:56,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:56,093 INFO L229 MonitoredProcess]: Starting monitored process 839 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:56,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (839)] Waiting until timeout for monitored process [2023-12-02 23:48:56,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:56,410 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:56,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:56,466 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:48:56,467 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:57,289 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:48:57,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (839)] Ended with exit code 0 [2023-12-02 23:48:57,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:57,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:48:57,295 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:48:57,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:48:57,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:57,295 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:57,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:57,296 INFO L229 MonitoredProcess]: Starting monitored process 840 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:57,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (840)] Waiting until timeout for monitored process [2023-12-02 23:48:57,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:57,607 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:57,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:57,669 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:48:57,670 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:58,524 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:48:58,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (840)] Ended with exit code 0 [2023-12-02 23:48:58,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:58,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:48:58,529 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:48:58,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:48:58,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:58,529 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:58,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:58,530 INFO L229 MonitoredProcess]: Starting monitored process 841 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:58,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (841)] Waiting until timeout for monitored process [2023-12-02 23:48:58,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:58,850 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:58,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:58,913 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:48:58,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:59,754 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:48:59,757 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (841)] Ended with exit code 0 [2023-12-02 23:48:59,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:59,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:48:59,760 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:48:59,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:48:59,760 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:59,760 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:59,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:59,761 INFO L229 MonitoredProcess]: Starting monitored process 842 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:59,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (842)] Waiting until timeout for monitored process [2023-12-02 23:49:00,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:00,068 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:49:00,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:00,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:49:00,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:00,976 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:49:00,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (842)] Ended with exit code 0 [2023-12-02 23:49:00,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:00,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:49:00,981 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:49:00,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:49:00,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:00,981 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:49:00,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:49:00,982 INFO L229 MonitoredProcess]: Starting monitored process 843 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:49:00,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (843)] Waiting until timeout for monitored process [2023-12-02 23:49:01,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:01,298 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:49:01,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:01,361 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:49:01,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:02,201 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:49:02,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (843)] Ended with exit code 0 [2023-12-02 23:49:02,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:02,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:49:02,206 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:49:02,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:49:02,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:02,207 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:49:02,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:49:02,208 INFO L229 MonitoredProcess]: Starting monitored process 844 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:49:02,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (844)] Waiting until timeout for monitored process [2023-12-02 23:49:02,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:02,541 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:49:02,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:02,599 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:49:02,600 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:03,429 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:49:03,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (844)] Forceful destruction successful, exit code 0 [2023-12-02 23:49:03,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:03,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:49:03,435 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:49:03,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:49:03,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:03,435 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:49:03,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:49:03,436 INFO L229 MonitoredProcess]: Starting monitored process 845 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:49:03,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (845)] Waiting until timeout for monitored process [2023-12-02 23:49:03,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:03,743 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:49:03,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:03,803 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:49:03,804 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:04,644 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:49:04,647 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (845)] Ended with exit code 0 [2023-12-02 23:49:04,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:04,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:49:04,651 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:49:04,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:49:04,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:04,651 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:49:04,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:49:04,652 INFO L229 MonitoredProcess]: Starting monitored process 846 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:49:04,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (846)] Waiting until timeout for monitored process [2023-12-02 23:49:04,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:04,963 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:49:05,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:05,020 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:49:05,021 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:05,804 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:49:05,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (846)] Forceful destruction successful, exit code 0 [2023-12-02 23:49:05,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:05,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:49:05,810 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:49:05,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:49:05,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:05,810 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:49:05,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:49:05,811 INFO L229 MonitoredProcess]: Starting monitored process 847 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:49:05,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (847)] Waiting until timeout for monitored process [2023-12-02 23:49:06,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:06,117 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:49:06,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:06,167 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:49:06,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:06,839 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:49:06,841 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (847)] Ended with exit code 0 [2023-12-02 23:49:06,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:06,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:49:06,843 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:49:06,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:49:06,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:06,844 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:49:06,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:49:06,844 INFO L229 MonitoredProcess]: Starting monitored process 848 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:49:06,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (848)] Waiting until timeout for monitored process [2023-12-02 23:49:07,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:07,098 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:49:07,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:07,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:49:07,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:07,827 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:49:07,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (848)] Ended with exit code 0 [2023-12-02 23:49:07,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:07,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:49:07,832 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:49:07,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:49:07,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:07,832 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:49:07,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:49:07,833 INFO L229 MonitoredProcess]: Starting monitored process 849 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:49:07,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (849)] Waiting until timeout for monitored process [2023-12-02 23:49:08,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:08,095 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:49:08,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:08,148 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:49:08,149 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:08,885 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:49:08,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (849)] Ended with exit code 0 [2023-12-02 23:49:08,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:08,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:49:08,889 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:49:08,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:49:08,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:08,889 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:49:08,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:49:08,890 INFO L229 MonitoredProcess]: Starting monitored process 850 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:49:08,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (850)] Waiting until timeout for monitored process [2023-12-02 23:49:09,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:09,227 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:49:09,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:09,293 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:49:09,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:10,075 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:49:10,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (850)] Ended with exit code 0 [2023-12-02 23:49:10,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:10,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:49:10,080 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:49:10,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:49:10,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:10,081 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:49:10,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:49:10,082 INFO L229 MonitoredProcess]: Starting monitored process 851 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:49:10,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (851)] Waiting until timeout for monitored process [2023-12-02 23:49:10,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:10,382 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:49:10,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:10,442 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:49:10,443 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:11,298 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:49:11,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (851)] Ended with exit code 0 [2023-12-02 23:49:11,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:11,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:49:11,305 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:49:11,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:49:11,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:11,305 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:49:11,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:49:11,306 INFO L229 MonitoredProcess]: Starting monitored process 852 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:49:11,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (852)] Waiting until timeout for monitored process [2023-12-02 23:49:11,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:11,566 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:49:11,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:11,621 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:49:11,622 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:12,412 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:49:12,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (852)] Ended with exit code 0 [2023-12-02 23:49:12,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:12,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:49:12,417 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:49:12,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:49:12,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:12,418 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:49:12,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:49:12,418 INFO L229 MonitoredProcess]: Starting monitored process 853 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:49:12,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (853)] Waiting until timeout for monitored process [2023-12-02 23:49:12,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:12,718 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:49:12,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:12,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:49:12,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:13,582 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:49:13,584 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (853)] Ended with exit code 0 [2023-12-02 23:49:13,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:13,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:49:13,587 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:49:13,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:49:13,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:13,587 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:49:13,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:49:13,588 INFO L229 MonitoredProcess]: Starting monitored process 854 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:49:13,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (854)] Waiting until timeout for monitored process [2023-12-02 23:49:13,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:13,880 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:49:13,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:13,936 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:49:13,937 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:14,716 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:49:14,719 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (854)] Ended with exit code 0 [2023-12-02 23:49:14,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:14,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:49:14,721 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:49:14,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:49:14,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:14,722 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:49:14,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:49:14,722 INFO L229 MonitoredProcess]: Starting monitored process 855 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:49:14,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (855)] Waiting until timeout for monitored process [2023-12-02 23:49:15,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:15,046 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:49:15,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:15,107 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:49:15,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:15,975 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:49:15,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (855)] Ended with exit code 0 [2023-12-02 23:49:15,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:15,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:49:15,980 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:49:15,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:49:15,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:15,980 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:49:15,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:49:15,981 INFO L229 MonitoredProcess]: Starting monitored process 856 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:49:15,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (856)] Waiting until timeout for monitored process [2023-12-02 23:49:16,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:16,274 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:49:16,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:16,333 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:49:16,335 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:17,157 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:49:17,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (856)] Ended with exit code 0 [2023-12-02 23:49:17,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:17,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:49:17,162 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:49:17,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:49:17,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:17,163 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:49:17,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:49:17,164 INFO L229 MonitoredProcess]: Starting monitored process 857 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:49:17,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (857)] Waiting until timeout for monitored process [2023-12-02 23:49:17,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:17,467 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:49:17,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:17,526 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:49:17,527 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:18,336 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:49:18,339 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (857)] Ended with exit code 0 [2023-12-02 23:49:18,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:18,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:49:18,342 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:49:18,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:49:18,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:18,342 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:49:18,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:49:18,343 INFO L229 MonitoredProcess]: Starting monitored process 858 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:49:18,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (858)] Waiting until timeout for monitored process [2023-12-02 23:49:18,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:18,649 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:49:18,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:18,717 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:49:18,718 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:19,566 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:49:19,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (858)] Ended with exit code 0 [2023-12-02 23:49:19,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:19,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:49:19,572 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:49:19,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:49:19,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:19,572 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:49:19,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:49:19,573 INFO L229 MonitoredProcess]: Starting monitored process 859 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:49:19,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (859)] Waiting until timeout for monitored process [2023-12-02 23:49:19,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:19,887 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:49:19,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:19,950 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:49:19,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:20,808 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:49:20,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (859)] Ended with exit code 0 [2023-12-02 23:49:20,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:20,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:49:20,814 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:49:20,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:49:20,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:20,814 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:49:20,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:49:20,815 INFO L229 MonitoredProcess]: Starting monitored process 860 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:49:20,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (860)] Waiting until timeout for monitored process [2023-12-02 23:49:21,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:21,128 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:49:21,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:21,183 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:49:21,184 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:21,978 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:49:21,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (860)] Ended with exit code 0 [2023-12-02 23:49:21,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:21,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:49:21,983 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:49:21,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:49:21,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:21,983 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:49:21,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:49:21,984 INFO L229 MonitoredProcess]: Starting monitored process 861 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:49:21,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (861)] Waiting until timeout for monitored process [2023-12-02 23:49:22,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:22,292 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:49:22,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:22,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:49:22,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:23,190 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:49:23,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (861)] Forceful destruction successful, exit code 0 [2023-12-02 23:49:23,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:23,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:49:23,198 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:49:23,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:49:23,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:23,198 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:49:23,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:49:23,199 INFO L229 MonitoredProcess]: Starting monitored process 862 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:49:23,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (862)] Waiting until timeout for monitored process [2023-12-02 23:49:23,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:23,513 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:49:23,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:23,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:49:23,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:24,404 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:49:24,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (862)] Ended with exit code 0 [2023-12-02 23:49:24,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:24,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:49:24,410 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:49:24,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:49:24,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:24,410 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:49:24,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:49:24,411 INFO L229 MonitoredProcess]: Starting monitored process 863 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:49:24,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (863)] Waiting until timeout for monitored process [2023-12-02 23:49:24,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:24,765 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:49:24,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:24,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:49:24,828 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:25,602 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:49:25,605 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (863)] Forceful destruction successful, exit code 0 [2023-12-02 23:49:25,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:25,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:49:25,607 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:49:25,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:49:25,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:25,607 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:49:25,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:49:25,608 INFO L229 MonitoredProcess]: Starting monitored process 864 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:49:25,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (864)] Waiting until timeout for monitored process [2023-12-02 23:49:25,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:25,913 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:49:25,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:25,970 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:49:25,971 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:26,757 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:49:26,759 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (864)] Ended with exit code 0 [2023-12-02 23:49:26,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:26,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:49:26,762 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:49:26,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:49:26,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:26,762 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:49:26,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:49:26,763 INFO L229 MonitoredProcess]: Starting monitored process 865 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:49:26,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (865)] Waiting until timeout for monitored process [2023-12-02 23:49:27,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:27,065 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:49:27,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:27,127 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:49:27,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:27,929 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:49:27,932 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (865)] Forceful destruction successful, exit code 0 [2023-12-02 23:49:27,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:27,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:49:27,935 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:49:27,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:49:27,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:27,935 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:49:27,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:49:27,936 INFO L229 MonitoredProcess]: Starting monitored process 866 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:49:27,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (866)] Waiting until timeout for monitored process [2023-12-02 23:49:28,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:28,238 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:49:28,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:28,298 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:49:28,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:29,148 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:49:29,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (866)] Ended with exit code 0 [2023-12-02 23:49:29,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:29,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:49:29,153 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:49:29,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:49:29,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:29,154 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:49:29,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:49:29,155 INFO L229 MonitoredProcess]: Starting monitored process 867 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:49:29,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (867)] Waiting until timeout for monitored process [2023-12-02 23:49:29,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:29,471 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:49:29,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:29,530 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:49:29,532 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:30,354 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:49:30,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (867)] Ended with exit code 0 [2023-12-02 23:49:30,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:30,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:49:30,360 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:49:30,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:49:30,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:30,360 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:49:30,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:49:30,361 INFO L229 MonitoredProcess]: Starting monitored process 868 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:49:30,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (868)] Waiting until timeout for monitored process [2023-12-02 23:49:30,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:30,694 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:49:30,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:30,751 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:49:30,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:31,579 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:49:31,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (868)] Ended with exit code 0 [2023-12-02 23:49:31,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:31,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:49:31,585 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:49:31,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:49:31,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:31,585 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:49:31,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:49:31,586 INFO L229 MonitoredProcess]: Starting monitored process 869 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:49:31,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (869)] Waiting until timeout for monitored process [2023-12-02 23:49:31,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:31,913 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:49:31,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:31,971 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:49:31,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:32,820 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:49:32,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (869)] Ended with exit code 0 [2023-12-02 23:49:32,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:32,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:49:32,825 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:49:32,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:49:32,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:32,826 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:49:32,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:49:32,827 INFO L229 MonitoredProcess]: Starting monitored process 870 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:49:32,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (870)] Waiting until timeout for monitored process [2023-12-02 23:49:33,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:33,235 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:49:33,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:33,296 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:49:33,297 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:34,123 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:49:34,125 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (870)] Ended with exit code 0 [2023-12-02 23:49:34,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:34,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:49:34,128 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:49:34,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:49:34,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:34,128 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:49:34,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:49:34,129 INFO L229 MonitoredProcess]: Starting monitored process 871 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:49:34,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (871)] Waiting until timeout for monitored process [2023-12-02 23:49:34,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:34,439 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:49:34,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:34,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:49:34,498 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:35,350 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:49:35,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (871)] Ended with exit code 0 [2023-12-02 23:49:35,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:35,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:49:35,355 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:49:35,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:49:35,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:35,355 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:49:35,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:49:35,356 INFO L229 MonitoredProcess]: Starting monitored process 872 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:49:35,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (872)] Waiting until timeout for monitored process [2023-12-02 23:49:35,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:35,689 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:49:35,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:35,751 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:49:35,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:36,602 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:49:36,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (872)] Ended with exit code 0 [2023-12-02 23:49:36,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:36,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:49:36,608 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:49:36,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:49:36,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:36,608 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:49:36,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:49:36,609 INFO L229 MonitoredProcess]: Starting monitored process 873 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:49:36,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (873)] Waiting until timeout for monitored process [2023-12-02 23:49:36,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:36,933 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:49:36,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:36,992 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:49:36,993 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:37,831 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:49:37,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (873)] Ended with exit code 0 [2023-12-02 23:49:37,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:37,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:49:37,836 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:49:37,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:49:37,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:37,837 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:49:37,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:49:37,838 INFO L229 MonitoredProcess]: Starting monitored process 874 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:49:37,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (874)] Waiting until timeout for monitored process [2023-12-02 23:49:38,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:38,146 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:49:38,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:38,211 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:49:38,212 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:39,011 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:49:39,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (874)] Forceful destruction successful, exit code 0 [2023-12-02 23:49:39,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:39,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:49:39,017 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:49:39,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:49:39,017 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:39,017 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:49:39,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:49:39,018 INFO L229 MonitoredProcess]: Starting monitored process 875 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:49:39,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (875)] Waiting until timeout for monitored process [2023-12-02 23:49:39,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:39,324 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:49:39,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:39,386 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:49:39,387 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:40,220 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:49:40,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (875)] Ended with exit code 0 [2023-12-02 23:49:40,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:40,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:49:40,225 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:49:40,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:49:40,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:40,226 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:49:40,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:49:40,226 INFO L229 MonitoredProcess]: Starting monitored process 876 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:49:40,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (876)] Waiting until timeout for monitored process [2023-12-02 23:49:40,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:40,603 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:49:40,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:40,653 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:49:40,655 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:41,482 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:49:41,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (876)] Ended with exit code 0 [2023-12-02 23:49:41,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:41,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:49:41,488 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:49:41,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:49:41,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:41,488 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:49:41,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:49:41,489 INFO L229 MonitoredProcess]: Starting monitored process 877 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:49:41,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (877)] Waiting until timeout for monitored process [2023-12-02 23:49:41,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:41,804 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:49:41,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:41,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:49:41,865 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:42,731 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:49:42,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (877)] Ended with exit code 0 [2023-12-02 23:49:42,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:42,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:49:42,737 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:49:42,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:49:42,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:42,737 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:49:42,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:49:42,738 INFO L229 MonitoredProcess]: Starting monitored process 878 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:49:42,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (878)] Waiting until timeout for monitored process [2023-12-02 23:49:43,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:43,048 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:49:43,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:43,110 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:49:43,112 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:43,933 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:49:43,936 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (878)] Ended with exit code 0 [2023-12-02 23:49:43,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:43,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:49:43,938 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:49:43,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:49:43,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:43,939 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:49:43,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:49:43,940 INFO L229 MonitoredProcess]: Starting monitored process 879 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:49:43,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (879)] Waiting until timeout for monitored process [2023-12-02 23:49:44,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:44,219 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:49:44,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:44,274 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:49:44,275 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:45,061 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:49:45,064 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (879)] Ended with exit code 0 [2023-12-02 23:49:45,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:45,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:49:45,066 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:49:45,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:49:45,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:45,067 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:49:45,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:49:45,068 INFO L229 MonitoredProcess]: Starting monitored process 880 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:49:45,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (880)] Waiting until timeout for monitored process [2023-12-02 23:49:45,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:45,386 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:49:45,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:45,448 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:49:45,449 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:46,302 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:49:46,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (880)] Ended with exit code 0 [2023-12-02 23:49:46,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:46,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:49:46,308 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:49:46,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:49:46,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:46,308 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:49:46,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:49:46,309 INFO L229 MonitoredProcess]: Starting monitored process 881 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:49:46,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (881)] Waiting until timeout for monitored process [2023-12-02 23:49:46,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:46,626 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:49:46,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:46,681 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:49:46,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:47,494 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:49:47,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (881)] Ended with exit code 0 [2023-12-02 23:49:47,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:47,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:49:47,499 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:49:47,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:49:47,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:47,499 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:49:47,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:49:47,500 INFO L229 MonitoredProcess]: Starting monitored process 882 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:49:47,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (882)] Waiting until timeout for monitored process [2023-12-02 23:49:47,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:47,841 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:49:47,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:47,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:49:47,900 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:48,725 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:49:48,728 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (882)] Forceful destruction successful, exit code 0 [2023-12-02 23:49:48,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:48,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:49:48,731 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:49:48,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:49:48,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:48,731 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:49:48,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:49:48,732 INFO L229 MonitoredProcess]: Starting monitored process 883 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:49:48,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (883)] Waiting until timeout for monitored process [2023-12-02 23:49:49,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:49,037 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:49:49,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:49,097 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:49:49,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:49,868 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:49:49,871 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (883)] Ended with exit code 0 [2023-12-02 23:49:49,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:49,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:49:49,873 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:49:49,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:49:49,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:49,873 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:49:49,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:49:49,874 INFO L229 MonitoredProcess]: Starting monitored process 884 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:49:49,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (884)] Waiting until timeout for monitored process [2023-12-02 23:49:50,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:50,180 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:49:50,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:50,237 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:49:50,238 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:51,004 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2023-12-02 23:49:51,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (884)] Ended with exit code 0 [2023-12-02 23:49:51,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:51,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:49:51,010 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:49:51,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:49:51,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:51,011 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:49:51,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:49:51,011 INFO L229 MonitoredProcess]: Starting monitored process 885 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:49:51,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a29e187-5154-44c6-b58b-672372202d95/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (885)] Waiting until timeout for monitored process [2023-12-02 23:49:51,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:51,324 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:49:51,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:51,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:49:51,382 INFO L285 TraceCheckSpWp]: Computing forward predicates...