./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-88.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_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/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_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-88.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/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_9461ad23-ad68-4a88-8da9-6edef99a8071/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 f035a0122bb8479800c2d26320f8fd4e217fb16ba8ab6223925657fc49ea1993 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:07:34,128 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:07:34,187 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 23:07:34,192 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:07:34,192 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:07:34,212 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:07:34,213 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:07:34,214 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:07:34,214 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:07:34,215 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:07:34,216 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:07:34,216 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:07:34,217 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:07:34,217 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:07:34,218 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:07:34,218 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:07:34,219 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:07:34,219 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:07:34,220 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:07:34,220 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:07:34,220 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:07:34,221 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:07:34,221 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:07:34,222 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:07:34,222 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:07:34,223 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:07:34,223 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:07:34,223 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:07:34,224 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:07:34,224 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:07:34,224 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:07:34,225 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:07:34,225 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:07:34,225 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_9461ad23-ad68-4a88-8da9-6edef99a8071/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f035a0122bb8479800c2d26320f8fd4e217fb16ba8ab6223925657fc49ea1993 [2023-12-02 23:07:34,418 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:07:34,437 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:07:34,440 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:07:34,441 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:07:34,441 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:07:34,443 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-88.i [2023-12-02 23:07:37,204 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:07:37,372 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:07:37,373 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-88.i [2023-12-02 23:07:37,382 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/data/21cdc1748/b53547bee9f64373b183b071c2a7edfb/FLAGb11717b26 [2023-12-02 23:07:37,397 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/data/21cdc1748/b53547bee9f64373b183b071c2a7edfb [2023-12-02 23:07:37,399 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:07:37,401 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:07:37,402 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:07:37,402 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:07:37,407 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:07:37,407 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:07:37" (1/1) ... [2023-12-02 23:07:37,409 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17fc8f7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:37, skipping insertion in model container [2023-12-02 23:07:37,409 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:07:37" (1/1) ... [2023-12-02 23:07:37,435 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:07:37,582 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_9461ad23-ad68-4a88-8da9-6edef99a8071/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-88.i[915,928] [2023-12-02 23:07:37,617 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:07:37,628 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:07:37,641 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_9461ad23-ad68-4a88-8da9-6edef99a8071/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-88.i[915,928] [2023-12-02 23:07:37,657 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:07:37,673 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:07:37,674 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:37 WrapperNode [2023-12-02 23:07:37,674 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:07:37,675 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:07:37,675 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:07:37,675 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:07:37,682 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:37" (1/1) ... [2023-12-02 23:07:37,691 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:37" (1/1) ... [2023-12-02 23:07:37,716 INFO L138 Inliner]: procedures = 26, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 111 [2023-12-02 23:07:37,716 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:07:37,717 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:07:37,717 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:07:37,717 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:07:37,725 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:37" (1/1) ... [2023-12-02 23:07:37,725 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:37" (1/1) ... [2023-12-02 23:07:37,727 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:37" (1/1) ... [2023-12-02 23:07:37,727 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:37" (1/1) ... [2023-12-02 23:07:37,732 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:37" (1/1) ... [2023-12-02 23:07:37,734 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:37" (1/1) ... [2023-12-02 23:07:37,736 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:37" (1/1) ... [2023-12-02 23:07:37,737 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:37" (1/1) ... [2023-12-02 23:07:37,739 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:07:37,740 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:07:37,740 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:07:37,740 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:07:37,741 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:37" (1/1) ... [2023-12-02 23:07:37,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:07:37,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:07:37,770 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:07:37,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:07:37,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:07:37,819 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 23:07:37,820 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 23:07:37,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:07:37,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:07:37,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:07:37,882 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:07:37,884 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:07:38,075 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:07:38,221 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:07:38,221 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 23:07:38,223 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:07:38 BoogieIcfgContainer [2023-12-02 23:07:38,223 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:07:38,224 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:07:38,224 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:07:38,234 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:07:38,234 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:07:38" (1/1) ... [2023-12-02 23:07:38,243 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:07:38,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:07:38,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2023-12-02 23:07:38,290 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2023-12-02 23:07:38,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:07:38,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:07:38,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:07:38,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:07:38,521 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:07:38,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:07:38,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:07:38,755 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:07:38,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:07:38,827 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 23:07:38,873 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:07:38 ImpRootNode [2023-12-02 23:07:38,873 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:07:38,874 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:07:38,874 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:07:38,874 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:07:38,875 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:07:38" (3/4) ... [2023-12-02 23:07:38,877 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 23:07:38,878 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:07:38,879 INFO L158 Benchmark]: Toolchain (without parser) took 1478.07ms. Allocated memory is still 132.1MB. Free memory was 80.3MB in the beginning and 85.5MB in the end (delta: -5.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:07:38,879 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 96.5MB. Free memory is still 51.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:07:38,880 INFO L158 Benchmark]: CACSL2BoogieTranslator took 272.19ms. Allocated memory is still 132.1MB. Free memory was 80.1MB in the beginning and 68.3MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 23:07:38,880 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.55ms. Allocated memory is still 132.1MB. Free memory was 68.3MB in the beginning and 66.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:07:38,881 INFO L158 Benchmark]: Boogie Preprocessor took 22.32ms. Allocated memory is still 132.1MB. Free memory was 66.2MB in the beginning and 64.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:07:38,882 INFO L158 Benchmark]: RCFGBuilder took 483.06ms. Allocated memory is still 132.1MB. Free memory was 64.8MB in the beginning and 79.5MB in the end (delta: -14.7MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2023-12-02 23:07:38,882 INFO L158 Benchmark]: CodeCheck took 649.54ms. Allocated memory is still 132.1MB. Free memory was 79.5MB in the beginning and 86.2MB in the end (delta: -6.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:07:38,883 INFO L158 Benchmark]: Witness Printer took 4.28ms. Allocated memory is still 132.1MB. Free memory was 86.2MB in the beginning and 85.5MB in the end (delta: 635.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:07:38,886 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 26 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, 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, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 40, overapproximation of bitwiseOr at line 44. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -8; [L23] signed char var_1_10 = -64; [L24] unsigned char var_1_11 = 0; [L25] unsigned char var_1_12 = 0; [L26] unsigned char var_1_13 = 1; [L27] unsigned char var_1_14 = 0; [L28] unsigned char var_1_15 = 0; [L29] signed long int var_1_16 = -16; [L30] float var_1_17 = 3.5; [L31] float var_1_18 = 128.45; [L32] unsigned long int var_1_19 = 50; [L33] unsigned long int var_1_20 = 25; [L84] isInitial = 1 [L85] FCALL initially() [L86] int k_loop; [L87] k_loop = 0 VAL [isInitial=1, k_loop=0, var_1_10=-64, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L87] COND TRUE k_loop < 1 [L88] FCALL updateLastVariables() [L89] CALL updateVariables() [L59] var_1_10 = __VERIFIER_nondet_char() [L60] CALL assume_abort_if_not(var_1_10 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) [L60] RET assume_abort_if_not(var_1_10 >= -127) VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L61] CALL assume_abort_if_not(var_1_10 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) [L61] RET assume_abort_if_not(var_1_10 <= 126) VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L62] var_1_12 = __VERIFIER_nondet_uchar() [L63] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) [L63] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L64] CALL assume_abort_if_not(var_1_12 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) [L64] RET assume_abort_if_not(var_1_12 <= 0) VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L65] var_1_14 = __VERIFIER_nondet_uchar() [L66] CALL assume_abort_if_not(var_1_14 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(var_1_14 >= 1) VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L67] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L68] var_1_15 = __VERIFIER_nondet_uchar() [L69] CALL assume_abort_if_not(var_1_15 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_15 >= 1) VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L70] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L71] var_1_18 = __VERIFIER_nondet_float() [L72] CALL assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8, var_1_20=25] [L73] var_1_20 = __VERIFIER_nondet_ulong() [L74] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8] [L75] CALL assume_abort_if_not(var_1_20 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8, var_1_20=4294967294] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_20 <= 4294967294) VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8, var_1_20=4294967294] [L89] RET updateVariables() [L90] CALL step() [L37] var_1_13 = (var_1_14 && var_1_15) [L38] var_1_17 = var_1_18 [L39] var_1_19 = var_1_20 [L40] COND FALSE !((- (var_1_17 + var_1_17)) > var_1_17) [L43] var_1_16 = var_1_19 [L44] EXPR var_1_16 | var_1_19 [L44] COND FALSE !(((var_1_16 | var_1_19) > var_1_16) && var_1_11) [L55] var_1_1 = var_1_10 [L90] RET step() [L91] CALL, EXPR property() [L80] EXPR var_1_16 | var_1_19 [L80-L81] return ((((((((var_1_16 | var_1_19) > var_1_16) && var_1_11) ? (((var_1_19 != -16) && (var_1_17 <= (var_1_17 + var_1_17))) ? ((var_1_17 > var_1_17) ? (var_1_1 == ((signed char) var_1_10)) : (var_1_1 == ((signed char) var_1_10))) : (var_1_1 == ((signed char) var_1_10))) : (var_1_1 == ((signed char) var_1_10))) && (((- (var_1_17 + var_1_17)) > var_1_17) ? (var_1_11 == ((unsigned char) var_1_12)) : 1)) && (var_1_13 == ((unsigned char) (var_1_14 && var_1_15)))) && (var_1_16 == ((signed long int) var_1_19))) && (var_1_17 == ((float) var_1_18))) && (var_1_19 == ((unsigned long int) var_1_20)) ; [L91] RET, EXPR property() [L91] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-2, var_1_17=2, var_1_18=2, var_1_19=4294967294, var_1_1=126, var_1_20=4294967294] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-2, var_1_17=2, var_1_18=2, var_1_19=4294967294, var_1_1=126, var_1_20=4294967294] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 96.5MB. Free memory is still 51.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 272.19ms. Allocated memory is still 132.1MB. Free memory was 80.1MB in the beginning and 68.3MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.55ms. Allocated memory is still 132.1MB. Free memory was 68.3MB in the beginning and 66.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.32ms. Allocated memory is still 132.1MB. Free memory was 66.2MB in the beginning and 64.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 483.06ms. Allocated memory is still 132.1MB. Free memory was 64.8MB in the beginning and 79.5MB in the end (delta: -14.7MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. * CodeCheck took 649.54ms. Allocated memory is still 132.1MB. Free memory was 79.5MB in the beginning and 86.2MB in the end (delta: -6.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.28ms. Allocated memory is still 132.1MB. Free memory was 86.2MB in the beginning and 85.5MB in the end (delta: 635.9kB). 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 23:07:38,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/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_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/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_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-88.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/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_9461ad23-ad68-4a88-8da9-6edef99a8071/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 f035a0122bb8479800c2d26320f8fd4e217fb16ba8ab6223925657fc49ea1993 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:07:40,851 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:07:40,928 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 23:07:40,957 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:07:40,958 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:07:40,959 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:07:40,960 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:07:40,960 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:07:40,961 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:07:40,961 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:07:40,962 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:07:40,962 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:07:40,963 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:07:40,963 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:07:40,964 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:07:40,964 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:07:40,965 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:07:40,965 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:07:40,966 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:07:40,966 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:07:40,967 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:07:40,967 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:07:40,968 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:07:40,968 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:07:40,969 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:07:40,969 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:07:40,970 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:07:40,970 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:07:40,971 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:07:40,971 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:07:40,972 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:07:40,972 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:07:40,972 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:07:40,973 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:07:40,973 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:07:40,973 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:07:40,974 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:07:40,974 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_9461ad23-ad68-4a88-8da9-6edef99a8071/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f035a0122bb8479800c2d26320f8fd4e217fb16ba8ab6223925657fc49ea1993 [2023-12-02 23:07:41,256 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:07:41,277 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:07:41,279 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:07:41,281 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:07:41,281 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:07:41,283 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-88.i [2023-12-02 23:07:44,049 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:07:44,243 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:07:44,244 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-88.i [2023-12-02 23:07:44,251 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/data/d25385203/c0a51bf2fdd54498a8ec4b7be9ef8574/FLAGcb838f80d [2023-12-02 23:07:44,262 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/data/d25385203/c0a51bf2fdd54498a8ec4b7be9ef8574 [2023-12-02 23:07:44,264 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:07:44,265 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:07:44,266 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:07:44,266 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:07:44,270 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:07:44,270 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:07:44" (1/1) ... [2023-12-02 23:07:44,271 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20cbdf09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:44, skipping insertion in model container [2023-12-02 23:07:44,271 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:07:44" (1/1) ... [2023-12-02 23:07:44,298 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:07:44,445 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_9461ad23-ad68-4a88-8da9-6edef99a8071/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-88.i[915,928] [2023-12-02 23:07:44,479 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:07:44,494 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:07:44,507 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_9461ad23-ad68-4a88-8da9-6edef99a8071/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-88.i[915,928] [2023-12-02 23:07:44,525 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:07:44,543 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:07:44,544 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:44 WrapperNode [2023-12-02 23:07:44,544 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:07:44,545 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:07:44,545 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:07:44,545 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:07:44,552 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:44" (1/1) ... [2023-12-02 23:07:44,563 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:44" (1/1) ... [2023-12-02 23:07:44,587 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 93 [2023-12-02 23:07:44,587 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:07:44,588 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:07:44,588 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:07:44,588 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:07:44,597 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:44" (1/1) ... [2023-12-02 23:07:44,597 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:44" (1/1) ... [2023-12-02 23:07:44,601 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:44" (1/1) ... [2023-12-02 23:07:44,601 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:44" (1/1) ... [2023-12-02 23:07:44,610 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:44" (1/1) ... [2023-12-02 23:07:44,613 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:44" (1/1) ... [2023-12-02 23:07:44,616 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:44" (1/1) ... [2023-12-02 23:07:44,617 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:44" (1/1) ... [2023-12-02 23:07:44,629 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:07:44,630 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:07:44,630 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:07:44,630 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:07:44,631 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:44" (1/1) ... [2023-12-02 23:07:44,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:07:44,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:07:44,699 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:07:44,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:07:44,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:07:44,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:07:44,741 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 23:07:44,741 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 23:07:44,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:07:44,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:07:44,823 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:07:44,826 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:07:45,199 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:07:45,289 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:07:45,289 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 23:07:45,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:07:45 BoogieIcfgContainer [2023-12-02 23:07:45,291 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:07:45,292 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:07:45,292 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:07:45,301 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:07:45,302 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:07:45" (1/1) ... [2023-12-02 23:07:45,311 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:07:45,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:07:45,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2023-12-02 23:07:45,366 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2023-12-02 23:07:45,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:07:45,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:07:45,372 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:07:45,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:07:45,391 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:07:45,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 23:07:45,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:45,769 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:07:45,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:45,845 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:07:45,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:07:48,862 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:07:48,871 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 23:07:48,876 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 23:07:49,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:07:49,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 31 states and 45 transitions. [2023-12-02 23:07:49,464 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 45 transitions. [2023-12-02 23:07:49,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:07:49,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:07:49,465 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:07:49,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:07:49,466 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:07:49,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 23:07:49,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:49,748 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:07:49,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:49,800 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:07:49,805 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:07:52,453 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:07:52,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 23:07:52,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:07:52,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 31 states and 45 transitions. [2023-12-02 23:07:52,468 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 45 transitions. [2023-12-02 23:07:52,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:07:52,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:07:52,470 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:07:52,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:07:52,472 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:07:52,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 23:07:52,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:52,739 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:07:52,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:52,787 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:07:52,791 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:07:55,249 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:07:55,252 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 23:07:55,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:07:55,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 31 states and 45 transitions. [2023-12-02 23:07:55,259 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 45 transitions. [2023-12-02 23:07:55,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:07:55,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:07:55,261 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:07:55,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:07:55,262 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:07:55,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 23:07:55,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:55,519 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:07:55,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:55,583 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 23:07:55,587 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:07:57,524 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:07:57,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 23:07:58,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:07:58,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 47 states and 80 transitions. [2023-12-02 23:07:58,002 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 80 transitions. [2023-12-02 23:07:58,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:07:58,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:07:58,003 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:07:58,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:07:58,004 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:07:58,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 23:07:58,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:58,266 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:07:58,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:58,320 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:07:58,323 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:08:00,084 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:08:00,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-02 23:08:00,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:00,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 47 states and 80 transitions. [2023-12-02 23:08:00,233 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 80 transitions. [2023-12-02 23:08:00,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:08:00,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:00,235 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:08:00,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:08:00,236 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:08:00,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 23:08:00,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:00,488 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:08:00,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:00,549 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:08:00,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:08:04,284 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:08:04,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 23:08:05,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:05,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 49 states and 98 transitions. [2023-12-02 23:08:05,349 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2023-12-02 23:08:05,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:08:05,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:05,350 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:08:05,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:08:05,351 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:08:05,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-02 23:08:05,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:05,608 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:08:05,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:05,647 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:08:05,649 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:08:07,504 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:08:07,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-02 23:08:07,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:07,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 49 states and 98 transitions. [2023-12-02 23:08:07,516 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2023-12-02 23:08:07,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:08:07,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:07,517 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:08:07,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:08:07,518 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:08:07,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-02 23:08:07,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:07,775 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:08:07,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:07,821 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:08:07,823 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:08:09,872 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:08:09,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2023-12-02 23:08:09,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:09,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 49 states and 98 transitions. [2023-12-02 23:08:09,883 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2023-12-02 23:08:09,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:08:09,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:09,885 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:08:09,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:08:09,886 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:08:09,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-02 23:08:10,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:10,138 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:08:10,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:10,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:08:10,184 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:08:13,449 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:08:13,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-02 23:08:13,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:13,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 49 states and 98 transitions. [2023-12-02 23:08:13,460 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2023-12-02 23:08:13,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:08:13,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:13,462 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:08:13,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:08:13,463 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:08:13,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-02 23:08:13,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:13,734 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:08:13,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:13,781 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:08:13,783 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:08:15,438 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:08:15,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2023-12-02 23:08:15,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:15,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 49 states and 98 transitions. [2023-12-02 23:08:15,447 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2023-12-02 23:08:15,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:08:15,448 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:15,448 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:08:15,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:08:15,449 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:08:15,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-02 23:08:15,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:15,711 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:08:15,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:15,752 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:08:15,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:08:18,033 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:08:18,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-02 23:08:18,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:18,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 49 states and 98 transitions. [2023-12-02 23:08:18,043 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2023-12-02 23:08:18,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:08:18,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:18,044 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:08:18,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:08:18,045 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:08:18,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-02 23:08:18,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:18,298 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:08:18,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:18,346 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:08:18,348 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:08:20,023 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:08:20,026 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2023-12-02 23:08:20,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:20,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 49 states and 98 transitions. [2023-12-02 23:08:20,035 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2023-12-02 23:08:20,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:08:20,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:20,036 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:08:20,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:08:20,037 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:08:20,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-02 23:08:20,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:20,290 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:08:20,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:20,329 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:08:20,331 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:08:22,636 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:08:22,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-02 23:08:22,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:22,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 49 states and 98 transitions. [2023-12-02 23:08:22,645 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2023-12-02 23:08:22,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:08:22,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:22,647 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:08:22,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:08:22,647 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:08:22,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-02 23:08:22,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:22,908 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:08:22,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:22,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:08:22,954 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:08:24,711 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:08:24,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-02 23:08:24,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:24,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 49 states and 98 transitions. [2023-12-02 23:08:24,721 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2023-12-02 23:08:24,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:08:24,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:24,722 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:08:24,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:08:24,723 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:08:24,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-02 23:08:24,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:24,974 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:08:25,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:25,033 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:08:25,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:08:26,757 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:08:26,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-02 23:08:26,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:26,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 49 states and 98 transitions. [2023-12-02 23:08:26,767 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2023-12-02 23:08:26,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:08:26,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:26,768 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:08:26,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:08:26,769 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:08:26,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-02 23:08:27,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:27,008 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:08:27,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:27,051 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:08:27,052 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:08:29,390 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:08:29,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-02 23:08:29,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:29,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 49 states and 98 transitions. [2023-12-02 23:08:29,400 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2023-12-02 23:08:29,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:08:29,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:29,401 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:08:29,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:08:29,402 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:08:29,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-02 23:08:29,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:29,658 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:08:29,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:29,704 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:08:29,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:08:31,275 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:08:31,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-02 23:08:31,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:31,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 49 states and 98 transitions. [2023-12-02 23:08:31,283 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2023-12-02 23:08:31,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:08:31,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:31,284 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:08:31,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:08:31,285 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:08:31,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-02 23:08:31,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:31,536 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:08:31,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:31,581 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:08:31,583 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:08:33,142 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:08:33,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-02 23:08:33,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:33,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 49 states and 98 transitions. [2023-12-02 23:08:33,151 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2023-12-02 23:08:33,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:08:33,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:33,152 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:08:33,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:08:33,153 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:08:33,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-02 23:08:33,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:33,405 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:08:33,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:33,449 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:08:33,450 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:08:35,272 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:08:35,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-02 23:08:35,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:35,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 49 states and 98 transitions. [2023-12-02 23:08:35,282 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2023-12-02 23:08:35,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:08:35,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:35,283 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:08:35,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:08:35,284 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:08:35,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-02 23:08:35,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:35,537 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:08:35,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:35,587 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:08:35,589 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:08:38,330 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:08:38,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2023-12-02 23:08:38,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:38,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 49 states and 98 transitions. [2023-12-02 23:08:38,338 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2023-12-02 23:08:38,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:08:38,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:38,339 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:08:38,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:08:38,340 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:08:38,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-02 23:08:38,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:38,587 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:08:38,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:38,637 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:08:38,639 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:08:40,704 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:08:40,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-02 23:08:40,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:40,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 49 states and 98 transitions. [2023-12-02 23:08:40,711 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2023-12-02 23:08:40,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:08:40,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:40,712 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:08:40,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:08:40,713 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:08:40,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-02 23:08:40,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:40,966 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:08:41,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:41,009 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:08:41,011 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:08:42,554 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:08:42,557 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-02 23:08:42,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:42,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 49 states and 98 transitions. [2023-12-02 23:08:42,562 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2023-12-02 23:08:42,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:08:42,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:42,562 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:08:42,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:08:42,563 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:08:42,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-02 23:08:42,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:42,815 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:08:42,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:42,855 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:08:42,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:08:45,136 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:08:45,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-02 23:08:45,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:45,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 49 states and 98 transitions. [2023-12-02 23:08:45,144 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2023-12-02 23:08:45,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:08:45,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:45,145 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:08:45,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:08:45,146 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:08:45,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-02 23:08:45,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:45,398 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:08:45,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:45,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:08:45,446 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:08:47,377 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:08:47,380 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-02 23:08:47,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:47,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 49 states and 98 transitions. [2023-12-02 23:08:47,385 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2023-12-02 23:08:47,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:08:47,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:47,385 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:08:47,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:08:47,386 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:08:47,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-02 23:08:47,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:47,643 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:08:47,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:47,686 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:08:47,687 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:08:49,352 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:08:49,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-02 23:08:49,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:49,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 49 states and 98 transitions. [2023-12-02 23:08:49,360 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2023-12-02 23:08:49,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:08:49,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:49,361 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:08:49,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:08:49,362 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:08:49,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-02 23:08:49,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:49,601 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:08:49,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:49,643 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:08:49,645 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:08:51,354 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:08:51,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-02 23:08:51,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:51,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 49 states and 98 transitions. [2023-12-02 23:08:51,362 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2023-12-02 23:08:51,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:08:51,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:51,362 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:08:51,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:08:51,363 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:08:51,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-02 23:08:51,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:51,619 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:08:51,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:51,663 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:08:51,665 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:08:55,022 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:08:55,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-02 23:08:55,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:55,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 49 states and 98 transitions. [2023-12-02 23:08:55,029 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2023-12-02 23:08:55,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:08:55,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:55,030 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:08:55,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:08:55,031 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:08:55,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-02 23:08:55,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:55,283 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:08:55,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:55,340 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 23:08:55,342 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:08:57,909 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-02 23:08:57,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2023-12-02 23:08:59,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:59,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 65 states and 145 transitions. [2023-12-02 23:08:59,800 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 145 transitions. [2023-12-02 23:08:59,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:08:59,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:59,801 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:08:59,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:08:59,802 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:08:59,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-02 23:09:00,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:00,040 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:09:00,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:00,097 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:09:00,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:09:02,599 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:09:02,602 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-02 23:09:02,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:09:02,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 65 states and 145 transitions. [2023-12-02 23:09:02,914 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 145 transitions. [2023-12-02 23:09:02,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:09:02,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:09:02,915 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:09:02,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:09:02,916 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:09:02,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-02 23:09:03,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:03,162 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:09:03,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:03,220 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:09:03,222 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:09:05,065 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:09:05,068 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-02 23:09:05,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:09:05,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 65 states and 145 transitions. [2023-12-02 23:09:05,428 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 145 transitions. [2023-12-02 23:09:05,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:09:05,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:09:05,429 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:09:05,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:09:05,430 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:09:05,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-02 23:09:05,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:05,676 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:09:05,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:05,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:09:05,719 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:09:07,390 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:09:07,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-02 23:09:07,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:09:07,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 65 states and 145 transitions. [2023-12-02 23:09:07,400 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 145 transitions. [2023-12-02 23:09:07,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:09:07,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:09:07,400 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:09:07,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:09:07,401 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:09:07,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-02 23:09:07,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:07,651 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:09:07,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:07,691 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:09:07,692 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:09:09,514 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:09:09,517 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-02 23:09:09,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:09:09,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 65 states and 145 transitions. [2023-12-02 23:09:09,526 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 145 transitions. [2023-12-02 23:09:09,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:09:09,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:09:09,526 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:09:09,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:09:09,527 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:09:09,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-02 23:09:09,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:09,782 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:09:09,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:09,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 23:09:09,841 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:09:11,731 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:09:11,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-02 23:09:11,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:09:11,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 65 states and 145 transitions. [2023-12-02 23:09:11,925 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 145 transitions. [2023-12-02 23:09:11,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:09:11,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:09:11,926 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:09:11,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:09:11,927 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:09:11,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-02 23:09:12,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:12,168 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:09:12,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:12,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 23:09:12,215 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:09:14,155 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-02 23:09:14,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-02 23:09:14,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:09:14,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 65 states and 145 transitions. [2023-12-02 23:09:14,564 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 145 transitions. [2023-12-02 23:09:14,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:09:14,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:09:14,564 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:09:14,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:09:14,565 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:09:14,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-02 23:09:14,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:14,814 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:09:14,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:14,860 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:09:14,861 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:09:16,742 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:09:16,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-02 23:09:16,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:09:16,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 65 states and 145 transitions. [2023-12-02 23:09:16,753 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 145 transitions. [2023-12-02 23:09:16,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:09:16,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:09:16,754 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:09:16,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:09:16,754 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:09:16,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-02 23:09:17,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:17,005 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:09:17,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:17,051 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:09:17,052 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:09:18,559 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:09:18,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-02 23:09:18,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:09:18,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 65 states and 145 transitions. [2023-12-02 23:09:18,570 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 145 transitions. [2023-12-02 23:09:18,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:09:18,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:09:18,570 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:09:18,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:09:18,571 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:09:18,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-02 23:09:18,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:18,816 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:09:18,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:18,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:09:18,863 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:09:20,827 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:09:20,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-02 23:09:20,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:09:20,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 65 states and 145 transitions. [2023-12-02 23:09:20,838 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 145 transitions. [2023-12-02 23:09:20,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:09:20,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:09:20,838 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:09:20,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:09:20,839 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:09:20,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-02 23:09:21,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:21,078 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:09:21,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:21,123 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:09:21,124 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:09:22,916 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:09:22,918 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Forceful destruction successful, exit code 0 [2023-12-02 23:09:22,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:09:22,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 65 states and 145 transitions. [2023-12-02 23:09:22,934 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 145 transitions. [2023-12-02 23:09:22,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:09:22,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:09:22,935 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:09:22,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:09:22,935 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:09:22,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-02 23:09:23,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:23,185 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:09:23,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:23,242 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:09:23,243 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:09:25,077 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:09:25,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-02 23:09:25,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:09:25,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 65 states and 145 transitions. [2023-12-02 23:09:25,089 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 145 transitions. [2023-12-02 23:09:25,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:09:25,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:09:25,089 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:09:25,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:09:25,090 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:09:25,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-02 23:09:25,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:25,344 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:09:25,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:25,384 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:09:25,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:09:27,141 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:09:27,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-02 23:09:27,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:09:27,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 65 states and 145 transitions. [2023-12-02 23:09:27,153 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 145 transitions. [2023-12-02 23:09:27,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:09:27,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:09:27,154 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:09:27,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:09:27,155 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:09:27,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-02 23:09:27,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:27,409 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:09:27,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:27,467 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:09:27,468 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:09:29,266 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:09:29,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-02 23:09:29,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:09:29,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 65 states and 145 transitions. [2023-12-02 23:09:29,279 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 145 transitions. [2023-12-02 23:09:29,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:09:29,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:09:29,279 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:09:29,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:09:29,280 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:09:29,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-02 23:09:29,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:29,527 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:09:29,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:29,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:09:29,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:09:31,930 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:09:31,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-02 23:09:31,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:09:31,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 65 states and 145 transitions. [2023-12-02 23:09:31,945 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 145 transitions. [2023-12-02 23:09:31,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:09:31,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:09:31,946 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:09:31,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:09:31,947 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:09:31,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-02 23:09:32,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:32,228 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:09:32,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:32,274 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:09:32,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:09:34,276 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:09:34,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-02 23:09:34,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:09:34,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 65 states and 145 transitions. [2023-12-02 23:09:34,287 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 145 transitions. [2023-12-02 23:09:34,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:09:34,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:09:34,287 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:09:34,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:09:34,288 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:09:34,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-02 23:09:34,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:34,536 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:09:34,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:34,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:09:34,586 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:09:36,992 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:09:36,995 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-02 23:09:37,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:09:37,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 65 states and 145 transitions. [2023-12-02 23:09:37,005 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 145 transitions. [2023-12-02 23:09:37,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:09:37,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:09:37,005 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:09:37,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:09:37,006 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:09:37,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-02 23:09:37,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:37,244 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:09:37,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:37,282 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 23:09:37,283 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:09:39,200 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-02 23:09:39,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-02 23:09:39,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:09:39,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 65 states and 145 transitions. [2023-12-02 23:09:39,240 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 145 transitions. [2023-12-02 23:09:39,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:09:39,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:09:39,240 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:09:39,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:09:39,241 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:09:39,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-02 23:09:39,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:39,490 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:09:39,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:39,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:09:39,534 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:09:41,162 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:09:41,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-02 23:09:41,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:09:41,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 65 states and 145 transitions. [2023-12-02 23:09:41,174 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 145 transitions. [2023-12-02 23:09:41,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:09:41,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:09:41,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:09:41,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:09:41,175 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:09:41,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-02 23:09:41,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:41,426 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:09:41,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:41,471 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:09:41,472 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:09:43,232 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:09:43,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Forceful destruction successful, exit code 0 [2023-12-02 23:09:43,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:09:43,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 65 states and 145 transitions. [2023-12-02 23:09:43,244 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 145 transitions. [2023-12-02 23:09:43,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:09:43,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:09:43,245 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:09:43,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:09:43,246 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:09:43,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-02 23:09:43,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:43,500 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:09:43,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:43,554 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:09:43,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:09:45,942 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:09:45,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-02 23:09:45,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:09:45,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 65 states and 145 transitions. [2023-12-02 23:09:45,955 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 145 transitions. [2023-12-02 23:09:45,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:09:45,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:09:45,955 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:09:45,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:09:45,956 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:09:45,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-02 23:09:46,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:46,202 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:09:46,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:46,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:09:46,243 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:09:47,824 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:09:47,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-02 23:09:47,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:09:47,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 65 states and 145 transitions. [2023-12-02 23:09:47,837 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 145 transitions. [2023-12-02 23:09:47,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:09:47,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:09:47,838 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:09:47,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:09:47,838 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:09:47,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-02 23:09:48,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:48,091 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:09:48,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:48,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:09:48,151 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:09:49,788 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:09:49,790 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-02 23:09:49,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:09:49,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 65 states and 145 transitions. [2023-12-02 23:09:49,804 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 145 transitions. [2023-12-02 23:09:49,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:09:49,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:09:49,804 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:09:49,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:09:49,805 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:09:49,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-02 23:09:50,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:50,055 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:09:50,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:50,101 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:09:50,102 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:09:51,631 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:09:51,634 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-02 23:09:51,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:09:51,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 65 states and 145 transitions. [2023-12-02 23:09:51,642 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 145 transitions. [2023-12-02 23:09:51,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:09:51,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:09:51,642 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:09:51,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:09:51,643 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:09:51,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-02 23:09:51,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:51,888 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:09:51,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:51,938 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:09:51,939 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:09:53,632 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:09:53,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-02 23:09:53,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:09:53,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 65 states and 145 transitions. [2023-12-02 23:09:53,644 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 145 transitions. [2023-12-02 23:09:53,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:09:53,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:09:53,644 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:09:53,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:09:53,645 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:09:53,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-02 23:09:53,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:53,883 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:09:53,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:53,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 23:09:53,932 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:09:55,883 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-02 23:09:55,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-02 23:09:55,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:09:55,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 65 states and 145 transitions. [2023-12-02 23:09:55,921 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 145 transitions. [2023-12-02 23:09:55,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:09:55,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:09:55,922 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:09:55,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:09:55,923 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:09:55,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-02 23:09:56,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:56,173 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:09:56,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:56,218 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:09:56,219 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:09:58,021 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:09:58,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-02 23:09:58,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:09:58,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 65 states and 145 transitions. [2023-12-02 23:09:58,034 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 145 transitions. [2023-12-02 23:09:58,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:09:58,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:09:58,035 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:09:58,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:09:58,035 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:09:58,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-02 23:09:58,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:58,284 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:09:58,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:58,327 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:09:58,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:09:59,907 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:09:59,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-02 23:09:59,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:09:59,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 65 states and 145 transitions. [2023-12-02 23:09:59,918 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 145 transitions. [2023-12-02 23:09:59,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:09:59,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:09:59,918 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:09:59,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:09:59,919 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:09:59,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-02 23:10:00,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:00,164 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:10:00,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:00,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:10:00,215 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:10:01,961 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:10:01,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-02 23:10:01,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:10:01,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 65 states and 145 transitions. [2023-12-02 23:10:01,972 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 145 transitions. [2023-12-02 23:10:01,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:10:01,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:10:01,972 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:10:01,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:10:01,973 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:10:01,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-02 23:10:02,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:02,230 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:10:02,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:02,278 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:10:02,279 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:10:04,047 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:10:04,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-02 23:10:04,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:10:04,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 65 states and 145 transitions. [2023-12-02 23:10:04,059 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 145 transitions. [2023-12-02 23:10:04,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:10:04,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:10:04,060 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:10:04,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:10:04,060 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:10:04,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-02 23:10:04,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:04,306 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:10:04,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:04,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 23:10:04,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:10:07,278 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-02 23:10:07,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Forceful destruction successful, exit code 0 [2023-12-02 23:10:07,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:10:07,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 65 states and 145 transitions. [2023-12-02 23:10:07,315 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 145 transitions. [2023-12-02 23:10:07,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:10:07,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:10:07,316 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:10:07,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:10:07,317 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:10:07,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-02 23:10:07,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:07,562 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:10:07,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:07,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:10:07,640 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:10:09,386 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:10:09,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Forceful destruction successful, exit code 0 [2023-12-02 23:10:09,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:10:09,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 65 states and 145 transitions. [2023-12-02 23:10:09,397 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 145 transitions. [2023-12-02 23:10:09,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:10:09,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:10:09,397 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:10:09,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:10:09,398 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:10:09,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-02 23:10:09,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:09,635 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:10:09,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:09,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:10:09,679 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:10:11,406 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:10:11,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2023-12-02 23:10:11,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:10:11,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 65 states and 145 transitions. [2023-12-02 23:10:11,417 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 145 transitions. [2023-12-02 23:10:11,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:10:11,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:10:11,418 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:10:11,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:10:11,418 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:10:11,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-02 23:10:11,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:11,690 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:10:11,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:11,746 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:10:11,748 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:10:13,692 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:10:13,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2023-12-02 23:10:13,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:10:13,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 65 states and 145 transitions. [2023-12-02 23:10:13,704 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 145 transitions. [2023-12-02 23:10:13,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:10:13,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:10:13,704 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:10:13,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:10:13,705 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:10:13,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-02 23:10:13,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:13,954 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:10:13,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:13,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:10:13,996 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:10:15,565 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:10:15,568 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2023-12-02 23:10:15,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:10:15,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 65 states and 145 transitions. [2023-12-02 23:10:15,576 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 145 transitions. [2023-12-02 23:10:15,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:10:15,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:10:15,577 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:10:15,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:10:15,578 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:10:15,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-02 23:10:15,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:15,824 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:10:15,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:15,881 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:10:15,883 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:10:17,614 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:10:17,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2023-12-02 23:10:17,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:10:17,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 65 states and 145 transitions. [2023-12-02 23:10:17,625 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 145 transitions. [2023-12-02 23:10:17,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:10:17,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:10:17,626 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:10:17,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:10:17,627 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:10:17,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2023-12-02 23:10:17,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:17,902 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:10:17,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:17,973 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 23:10:17,974 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:10:19,587 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:10:19,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Forceful destruction successful, exit code 0 [2023-12-02 23:10:19,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:10:19,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 65 states and 145 transitions. [2023-12-02 23:10:19,806 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 145 transitions. [2023-12-02 23:10:19,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:10:19,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:10:19,806 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:10:19,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:10:19,807 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:10:19,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-12-02 23:10:20,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:20,077 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:10:20,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:20,120 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:10:20,121 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:10:21,766 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:10:21,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Forceful destruction successful, exit code 0 [2023-12-02 23:10:21,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:10:21,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 65 states and 145 transitions. [2023-12-02 23:10:21,776 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 145 transitions. [2023-12-02 23:10:21,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:10:21,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:10:21,776 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:10:21,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:10:21,777 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:10:21,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2023-12-02 23:10:22,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:22,022 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:10:22,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:22,067 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:10:22,069 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:10:23,832 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:10:23,835 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2023-12-02 23:10:23,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:10:23,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 65 states and 145 transitions. [2023-12-02 23:10:23,843 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 145 transitions. [2023-12-02 23:10:23,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:10:23,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:10:23,844 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:10:23,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:10:23,845 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:10:23,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2023-12-02 23:10:24,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:24,088 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:10:24,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:24,139 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:10:24,140 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:10:25,929 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:10:25,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2023-12-02 23:10:26,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:10:26,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 67 states and 163 transitions. [2023-12-02 23:10:26,747 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 163 transitions. [2023-12-02 23:10:26,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:10:26,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:10:26,747 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:10:26,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:10:26,748 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:10:26,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2023-12-02 23:10:26,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:26,989 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:10:27,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:27,030 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:10:27,031 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:10:28,635 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:10:28,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2023-12-02 23:10:28,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:10:28,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 67 states and 163 transitions. [2023-12-02 23:10:28,645 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 163 transitions. [2023-12-02 23:10:28,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:10:28,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:10:28,645 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:10:28,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:10:28,646 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:10:28,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2023-12-02 23:10:28,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:28,886 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:10:28,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:28,932 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:10:28,933 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:10:30,703 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:10:30,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2023-12-02 23:10:30,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:10:30,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 67 states and 163 transitions. [2023-12-02 23:10:30,714 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 163 transitions. [2023-12-02 23:10:30,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:10:30,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:10:30,714 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:10:30,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:10:30,715 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:10:30,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2023-12-02 23:10:30,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:30,962 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:10:30,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:31,002 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:10:31,003 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:10:33,091 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:10:33,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Forceful destruction successful, exit code 0 [2023-12-02 23:10:33,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:10:33,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 67 states and 163 transitions. [2023-12-02 23:10:33,101 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 163 transitions. [2023-12-02 23:10:33,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:10:33,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:10:33,102 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:10:33,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:10:33,103 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:10:33,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2023-12-02 23:10:33,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:33,353 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:10:33,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:33,410 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:10:33,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:10:35,149 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:10:35,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2023-12-02 23:10:35,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:10:35,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 67 states and 163 transitions. [2023-12-02 23:10:35,163 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 163 transitions. [2023-12-02 23:10:35,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:10:35,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:10:35,163 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:10:35,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:10:35,164 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:10:35,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2023-12-02 23:10:35,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:35,405 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:10:35,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:35,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:10:35,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:10:37,094 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:10:37,096 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2023-12-02 23:10:37,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:10:37,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 67 states and 163 transitions. [2023-12-02 23:10:37,108 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 163 transitions. [2023-12-02 23:10:37,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:10:37,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:10:37,108 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:10:37,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:10:37,109 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:10:37,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2023-12-02 23:10:37,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:37,355 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:10:37,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:37,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 23:10:37,397 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:10:39,183 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:10:39,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2023-12-02 23:10:39,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:10:39,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 67 states and 163 transitions. [2023-12-02 23:10:39,376 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 163 transitions. [2023-12-02 23:10:39,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:10:39,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:10:39,377 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:10:39,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:10:39,378 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:10:39,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2023-12-02 23:10:39,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:39,626 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:10:39,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:39,675 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:10:39,676 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:10:41,659 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:10:41,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2023-12-02 23:10:41,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:10:41,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 67 states and 163 transitions. [2023-12-02 23:10:41,671 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 163 transitions. [2023-12-02 23:10:41,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:10:41,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:10:41,671 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:10:41,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:10:41,672 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:10:41,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2023-12-02 23:10:41,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:41,949 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:10:41,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:41,990 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 23:10:41,991 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:10:43,534 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:10:43,537 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2023-12-02 23:10:43,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:10:43,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 67 states and 163 transitions. [2023-12-02 23:10:43,728 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 163 transitions. [2023-12-02 23:10:43,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:10:43,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:10:43,728 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:10:43,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:10:43,729 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:10:43,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2023-12-02 23:10:43,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:43,980 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:10:44,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:44,020 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:10:44,021 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:10:45,861 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:10:45,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2023-12-02 23:10:45,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:10:45,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 67 states and 163 transitions. [2023-12-02 23:10:45,871 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 163 transitions. [2023-12-02 23:10:45,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:10:45,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:10:45,871 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:10:45,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:10:45,872 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:10:45,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2023-12-02 23:10:46,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:46,122 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:10:46,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:46,163 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:10:46,164 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:10:47,877 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:10:47,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2023-12-02 23:10:47,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:10:47,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 67 states and 163 transitions. [2023-12-02 23:10:47,888 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 163 transitions. [2023-12-02 23:10:47,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:10:47,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:10:47,888 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:10:47,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:10:47,889 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:10:47,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2023-12-02 23:10:48,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:48,128 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:10:48,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:48,163 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:10:48,164 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:10:49,917 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:10:49,920 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2023-12-02 23:10:49,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:10:49,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 67 states and 163 transitions. [2023-12-02 23:10:49,928 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 163 transitions. [2023-12-02 23:10:49,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:10:49,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:10:49,928 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:10:49,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:10:49,929 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:10:49,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2023-12-02 23:10:50,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:50,173 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:10:50,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:50,233 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:10:50,234 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:10:51,933 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:10:51,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Forceful destruction successful, exit code 0 [2023-12-02 23:10:51,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:10:51,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 67 states and 163 transitions. [2023-12-02 23:10:51,944 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 163 transitions. [2023-12-02 23:10:51,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:10:51,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:10:51,944 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:10:51,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:10:51,945 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:10:51,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2023-12-02 23:10:52,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:52,176 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:10:52,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:52,223 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 23:10:52,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:10:53,933 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-02 23:10:53,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Forceful destruction successful, exit code 0 [2023-12-02 23:10:54,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:10:54,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 67 states and 163 transitions. [2023-12-02 23:10:54,299 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 163 transitions. [2023-12-02 23:10:54,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:10:54,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:10:54,300 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:10:54,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:10:54,301 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:10:54,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2023-12-02 23:10:54,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:54,571 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:10:54,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:54,631 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:10:54,633 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:10:56,336 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:10:56,338 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Forceful destruction successful, exit code 0 [2023-12-02 23:10:56,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:10:56,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 67 states and 163 transitions. [2023-12-02 23:10:56,534 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 163 transitions. [2023-12-02 23:10:56,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:10:56,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:10:56,535 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:10:56,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:10:56,536 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:10:56,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2023-12-02 23:10:56,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:56,780 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:10:56,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:56,819 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:10:56,820 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:10:59,458 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:10:59,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2023-12-02 23:10:59,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:10:59,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 67 states and 163 transitions. [2023-12-02 23:10:59,470 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 163 transitions. [2023-12-02 23:10:59,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:10:59,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:10:59,470 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:10:59,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:10:59,471 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:10:59,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2023-12-02 23:10:59,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:59,725 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:10:59,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:59,762 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:10:59,763 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:11:01,829 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:11:01,832 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2023-12-02 23:11:01,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:11:01,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 67 states and 163 transitions. [2023-12-02 23:11:01,840 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 163 transitions. [2023-12-02 23:11:01,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:11:01,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:11:01,841 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:11:01,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:11:01,842 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:11:01,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2023-12-02 23:11:02,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:11:02,089 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:11:02,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:11:02,137 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:11:02,138 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:11:04,048 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:11:04,051 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2023-12-02 23:11:04,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:11:04,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 67 states and 163 transitions. [2023-12-02 23:11:04,061 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 163 transitions. [2023-12-02 23:11:04,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:11:04,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:11:04,061 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:11:04,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:11:04,062 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:11:04,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2023-12-02 23:11:04,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:11:04,303 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:11:04,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:11:04,360 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:11:04,361 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:11:06,700 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:11:06,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Forceful destruction successful, exit code 0 [2023-12-02 23:11:06,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:11:06,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 67 states and 163 transitions. [2023-12-02 23:11:06,718 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 163 transitions. [2023-12-02 23:11:06,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:11:06,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:11:06,718 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:11:06,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:11:06,719 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:11:06,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2023-12-02 23:11:06,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:11:06,984 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:11:07,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:11:07,030 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:11:07,031 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:11:09,256 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:11:09,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Forceful destruction successful, exit code 0 [2023-12-02 23:11:09,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:11:09,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 67 states and 163 transitions. [2023-12-02 23:11:09,266 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 163 transitions. [2023-12-02 23:11:09,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:11:09,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:11:09,266 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:11:09,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:11:09,267 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:11:09,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2023-12-02 23:11:09,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:11:09,513 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:11:09,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:11:09,569 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:11:09,570 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:11:11,365 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:11:11,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2023-12-02 23:11:11,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:11:11,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 67 states and 163 transitions. [2023-12-02 23:11:11,407 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 163 transitions. [2023-12-02 23:11:11,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:11:11,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:11:11,407 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:11:11,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:11:11,408 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:11:11,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2023-12-02 23:11:11,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:11:11,654 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:11:11,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:11:11,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:11:11,697 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:11:14,403 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:11:14,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2023-12-02 23:11:14,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:11:14,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 67 states and 163 transitions. [2023-12-02 23:11:14,448 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 163 transitions. [2023-12-02 23:11:14,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:11:14,448 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:11:14,448 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:11:14,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:11:14,449 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:11:14,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2023-12-02 23:11:14,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:11:14,694 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:11:14,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:11:14,745 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:11:14,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:11:16,615 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:11:16,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2023-12-02 23:11:16,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:11:16,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 67 states and 163 transitions. [2023-12-02 23:11:16,625 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 163 transitions. [2023-12-02 23:11:16,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:11:16,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:11:16,625 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:11:16,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:11:16,626 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:11:16,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2023-12-02 23:11:16,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:11:16,870 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:11:16,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:11:16,913 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:11:16,915 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:11:19,132 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:11:19,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2023-12-02 23:11:19,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:11:19,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:11:19,728 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:11:19,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:11:19,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:11:19,729 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:11:19,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:11:19,730 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:11:19,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2023-12-02 23:11:19,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:11:19,970 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:11:20,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:11:20,018 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:11:20,019 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:11:21,793 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:11:21,796 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2023-12-02 23:11:21,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:11:21,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:11:21,807 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:11:21,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:11:21,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:11:21,808 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:11:21,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:11:21,808 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:11:21,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2023-12-02 23:11:22,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:11:22,058 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:11:22,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:11:22,115 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:11:22,116 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:11:24,967 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:11:24,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2023-12-02 23:11:24,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:11:24,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:11:24,980 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:11:24,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:11:24,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:11:24,981 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:11:24,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:11:24,981 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:11:24,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2023-12-02 23:11:25,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:11:25,237 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:11:25,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:11:25,280 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:11:25,281 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:11:28,312 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:11:28,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2023-12-02 23:11:28,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:11:28,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:11:28,330 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:11:28,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:11:28,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:11:28,330 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:11:28,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:11:28,331 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:11:28,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2023-12-02 23:11:28,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:11:28,584 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:11:28,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:11:28,640 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:11:28,642 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:11:30,488 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:11:30,491 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2023-12-02 23:11:30,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:11:30,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:11:30,501 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:11:30,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:11:30,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:11:30,502 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:11:30,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:11:30,503 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:11:30,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2023-12-02 23:11:30,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:11:30,740 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:11:30,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:11:30,779 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:11:30,780 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:11:32,478 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:11:32,481 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2023-12-02 23:11:32,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:11:32,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:11:32,493 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:11:32,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:11:32,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:11:32,493 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:11:32,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:11:32,494 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:11:32,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2023-12-02 23:11:32,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:11:32,726 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:11:32,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:11:32,769 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:11:32,771 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:11:34,492 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:11:34,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2023-12-02 23:11:34,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:11:34,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:11:34,505 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:11:34,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:11:34,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:11:34,506 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:11:34,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:11:34,506 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:11:34,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2023-12-02 23:11:34,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:11:34,738 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:11:34,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:11:34,792 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:11:34,793 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:11:36,595 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:11:36,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2023-12-02 23:11:36,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:11:36,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:11:36,608 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:11:36,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:11:36,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:11:36,608 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:11:36,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:11:36,609 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:11:36,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2023-12-02 23:11:36,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:11:36,845 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:11:36,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:11:36,891 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:11:36,893 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:11:40,321 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:11:40,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2023-12-02 23:11:40,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:11:40,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:11:40,335 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:11:40,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:11:40,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:11:40,335 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:11:40,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:11:40,336 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:11:40,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2023-12-02 23:11:40,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:11:40,607 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:11:40,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:11:40,657 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:11:40,658 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:11:42,537 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:11:42,539 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Forceful destruction successful, exit code 0 [2023-12-02 23:11:42,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:11:42,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:11:42,549 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:11:42,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:11:42,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:11:42,549 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:11:42,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:11:42,550 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:11:42,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2023-12-02 23:11:42,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:11:42,790 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:11:42,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:11:42,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:11:42,840 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:11:44,649 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:11:44,652 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2023-12-02 23:11:44,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:11:44,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:11:44,662 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:11:44,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:11:44,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:11:44,663 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:11:44,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:11:44,663 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:11:44,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2023-12-02 23:11:44,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:11:44,911 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:11:44,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:11:44,954 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:11:44,955 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:11:46,651 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:11:46,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2023-12-02 23:11:46,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:11:46,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:11:46,665 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:11:46,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:11:46,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:11:46,665 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:11:46,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:11:46,666 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:11:46,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2023-12-02 23:11:46,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:11:46,916 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:11:46,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:11:46,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 23:11:46,963 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:11:49,294 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-02 23:11:49,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2023-12-02 23:11:49,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:11:49,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:11:49,337 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:11:49,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:11:49,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:11:49,337 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:11:49,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:11:49,338 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:11:49,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2023-12-02 23:11:49,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:11:49,583 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:11:49,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:11:49,624 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:11:49,625 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:11:52,718 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:11:52,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2023-12-02 23:11:52,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:11:52,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:11:52,731 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:11:52,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:11:52,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:11:52,732 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:11:52,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:11:52,733 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:11:52,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2023-12-02 23:11:52,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:11:52,989 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:11:53,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:11:53,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:11:53,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:11:55,138 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:11:55,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2023-12-02 23:11:55,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:11:55,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:11:55,151 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:11:55,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:11:55,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:11:55,151 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:11:55,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:11:55,152 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:11:55,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2023-12-02 23:11:55,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:11:55,410 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:11:55,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:11:55,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:11:55,458 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:11:57,403 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:11:57,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2023-12-02 23:11:57,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:11:57,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:11:57,414 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:11:57,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:11:57,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:11:57,415 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:11:57,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:11:57,415 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:11:57,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2023-12-02 23:11:57,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:11:57,657 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:11:57,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:11:57,711 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:11:57,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:12:00,551 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:12:00,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2023-12-02 23:12:00,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:12:00,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:12:00,562 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:12:00,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:12:00,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:12:00,563 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:12:00,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:12:00,564 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:12:00,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2023-12-02 23:12:00,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:00,807 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:12:00,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:00,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:12:00,853 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:12:02,579 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:12:02,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2023-12-02 23:12:02,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:12:02,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:12:02,590 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:12:02,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:12:02,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:12:02,591 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:12:02,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:12:02,592 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:12:02,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2023-12-02 23:12:02,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:02,828 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:12:02,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:02,880 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:12:02,882 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:12:05,156 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:12:05,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2023-12-02 23:12:05,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:12:05,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:12:05,169 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:12:05,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:12:05,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:12:05,171 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:12:05,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:12:05,172 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:12:05,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2023-12-02 23:12:05,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:05,419 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:12:05,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:05,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:12:05,466 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:12:07,091 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:12:07,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2023-12-02 23:12:07,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:12:07,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:12:07,104 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:12:07,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:12:07,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:12:07,104 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:12:07,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:12:07,105 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:12:07,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2023-12-02 23:12:07,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:07,343 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:12:07,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:07,402 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:12:07,403 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:12:09,231 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:12:09,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2023-12-02 23:12:09,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:12:09,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:12:09,244 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:12:09,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:12:09,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:12:09,244 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:12:09,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:12:09,245 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:12:09,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2023-12-02 23:12:09,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:09,488 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:12:09,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:09,525 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:12:09,526 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:12:11,246 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:12:11,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2023-12-02 23:12:11,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:12:11,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:12:11,258 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:12:11,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:12:11,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:12:11,258 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:12:11,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:12:11,259 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:12:11,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2023-12-02 23:12:11,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:11,495 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:12:11,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:11,543 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:12:11,544 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:12:13,521 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:12:13,524 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2023-12-02 23:12:13,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:12:13,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:12:13,533 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:12:13,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:12:13,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:12:13,533 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:12:13,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:12:13,534 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:12:13,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2023-12-02 23:12:13,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:13,777 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:12:13,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:13,813 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:12:13,814 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:12:16,503 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:12:16,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2023-12-02 23:12:16,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:12:16,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:12:16,519 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:12:16,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:12:16,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:12:16,519 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:12:16,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:12:16,520 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:12:16,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2023-12-02 23:12:16,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:16,762 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:12:16,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:16,801 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:12:16,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:12:18,856 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:12:18,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Ended with exit code 0 [2023-12-02 23:12:18,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:12:18,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:12:18,868 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:12:18,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:12:18,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:12:18,869 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:12:18,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:12:18,869 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:12:18,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2023-12-02 23:12:19,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:19,114 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:12:19,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:19,181 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:12:19,183 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:12:21,282 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:12:21,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2023-12-02 23:12:21,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:12:21,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:12:21,296 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:12:21,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:12:21,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:12:21,296 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:12:21,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:12:21,297 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:12:21,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2023-12-02 23:12:21,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:21,541 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:12:21,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:21,583 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:12:21,584 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:12:23,214 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:12:23,217 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Ended with exit code 0 [2023-12-02 23:12:23,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:12:23,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:12:23,226 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:12:23,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:12:23,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:12:23,227 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:12:23,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:12:23,228 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:12:23,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2023-12-02 23:12:23,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:23,467 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:12:23,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:23,564 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:12:23,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:12:25,548 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:12:25,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2023-12-02 23:12:25,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:12:25,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:12:25,562 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:12:25,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:12:25,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:12:25,562 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:12:25,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:12:25,563 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:12:25,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2023-12-02 23:12:25,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:25,811 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:12:25,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:25,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 23:12:25,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:12:27,893 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-02 23:12:27,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Ended with exit code 0 [2023-12-02 23:12:27,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:12:27,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:12:27,936 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:12:27,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:12:27,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:12:27,936 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:12:27,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:12:27,937 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:12:27,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2023-12-02 23:12:28,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:28,180 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:12:28,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:28,236 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:12:28,237 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:12:30,137 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:12:30,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Ended with exit code 0 [2023-12-02 23:12:30,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:12:30,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:12:30,150 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:12:30,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:12:30,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:12:30,151 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:12:30,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:12:30,151 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:12:30,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2023-12-02 23:12:30,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:30,394 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:12:30,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:30,435 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:12:30,436 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:12:32,552 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:12:32,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Ended with exit code 0 [2023-12-02 23:12:32,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:12:32,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:12:32,564 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:12:32,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:12:32,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:12:32,564 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:12:32,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:12:32,565 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:12:32,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2023-12-02 23:12:32,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:32,807 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:12:32,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:32,859 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:12:32,860 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:12:34,768 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:12:34,771 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Ended with exit code 0 [2023-12-02 23:12:34,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:12:34,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:12:34,780 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:12:34,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:12:34,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:12:34,781 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:12:34,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:12:34,781 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:12:34,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2023-12-02 23:12:35,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:35,013 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:12:35,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:35,052 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:12:35,053 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:12:36,938 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:12:36,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Ended with exit code 0 [2023-12-02 23:12:36,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:12:36,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:12:36,948 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:12:36,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:12:36,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:12:36,949 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:12:36,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:12:36,950 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:12:36,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2023-12-02 23:12:37,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:37,198 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:12:37,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:37,245 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:12:37,246 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:12:38,987 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:12:38,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2023-12-02 23:12:38,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:12:38,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:12:38,997 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:12:38,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:12:38,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:12:38,997 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:12:38,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:12:38,998 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:12:38,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2023-12-02 23:12:39,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:39,246 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:12:39,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:39,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 23:12:39,304 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:12:41,254 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-02 23:12:41,256 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Ended with exit code 0 [2023-12-02 23:12:41,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:12:41,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:12:41,289 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:12:41,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:12:41,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:12:41,289 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:12:41,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:12:41,290 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:12:41,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2023-12-02 23:12:41,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:41,528 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:12:41,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:41,574 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:12:41,575 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:12:44,432 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:12:44,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Ended with exit code 0 [2023-12-02 23:12:44,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:12:44,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:12:44,447 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:12:44,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:12:44,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:12:44,447 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:12:44,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:12:44,448 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:12:44,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2023-12-02 23:12:44,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:44,688 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:12:44,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:44,748 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:12:44,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:12:46,361 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:12:46,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Ended with exit code 0 [2023-12-02 23:12:46,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:12:46,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:12:46,372 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:12:46,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:12:46,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:12:46,372 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:12:46,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:12:46,373 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:12:46,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2023-12-02 23:12:46,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:46,609 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:12:46,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:46,658 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 23:12:46,659 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:12:48,700 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-02 23:12:48,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Ended with exit code 0 [2023-12-02 23:12:48,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:12:48,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:12:48,740 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:12:48,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:12:48,740 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:12:48,741 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:12:48,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:12:48,741 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:12:48,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2023-12-02 23:12:48,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:48,981 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:12:49,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:49,025 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:12:49,026 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:12:51,023 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:12:51,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Ended with exit code 0 [2023-12-02 23:12:51,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:12:51,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:12:51,036 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:12:51,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:12:51,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:12:51,036 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:12:51,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:12:51,037 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:12:51,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2023-12-02 23:12:51,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:51,279 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:12:51,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:51,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 23:12:51,324 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:12:54,918 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:12:54,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Ended with exit code 0 [2023-12-02 23:12:54,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:12:54,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:12:54,960 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:12:54,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:12:54,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:12:54,960 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:12:54,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:12:54,961 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:12:54,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2023-12-02 23:12:55,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:55,199 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:12:55,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:55,238 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:12:55,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:12:57,347 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:12:57,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Ended with exit code 0 [2023-12-02 23:12:57,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:12:57,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:12:57,359 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:12:57,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:12:57,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:12:57,359 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:12:57,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:12:57,360 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:12:57,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2023-12-02 23:12:57,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:57,599 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:12:57,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:57,650 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:12:57,651 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:12:59,965 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:12:59,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Ended with exit code 0 [2023-12-02 23:12:59,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:12:59,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:12:59,979 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:12:59,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:12:59,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:12:59,979 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:12:59,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:12:59,980 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:12:59,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2023-12-02 23:13:00,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:00,224 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:13:00,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:00,272 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:13:00,273 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:13:02,481 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:13:02,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Ended with exit code 0 [2023-12-02 23:13:02,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:02,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:13:02,493 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:13:02,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:13:02,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:02,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:13:02,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:13:02,494 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:13:02,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2023-12-02 23:13:02,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:02,725 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:13:02,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:02,768 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:13:02,769 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:13:04,711 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:13:04,714 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2023-12-02 23:13:04,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:04,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:13:04,723 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:13:04,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:13:04,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:04,723 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:13:04,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:13:04,724 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:13:04,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2023-12-02 23:13:04,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:04,967 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:13:05,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:05,020 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:13:05,021 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:13:06,765 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:13:06,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (135)] Ended with exit code 0 [2023-12-02 23:13:06,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:06,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:13:06,776 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:13:06,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:13:06,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:06,777 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:13:06,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:13:06,777 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:13:06,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2023-12-02 23:13:07,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:07,021 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:13:07,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:07,068 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:13:07,069 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:13:09,242 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:13:09,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (136)] Ended with exit code 0 [2023-12-02 23:13:09,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:09,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:13:09,254 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:13:09,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:13:09,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:09,255 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:13:09,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:13:09,255 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:13:09,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2023-12-02 23:13:09,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:09,494 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:13:09,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:09,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 23:13:09,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:13:11,412 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-02 23:13:11,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (137)] Ended with exit code 0 [2023-12-02 23:13:11,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:11,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:13:11,456 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:13:11,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:13:11,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:11,456 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:13:11,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:13:11,457 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:13:11,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2023-12-02 23:13:11,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:11,699 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:13:11,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:11,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:13:11,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:13:15,461 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:13:15,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (138)] Ended with exit code 0 [2023-12-02 23:13:15,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:15,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:13:15,471 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:13:15,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:13:15,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:15,472 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:13:15,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:13:15,472 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:13:15,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process [2023-12-02 23:13:15,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:15,720 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:13:15,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:15,770 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:13:15,771 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:13:17,541 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:13:17,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (139)] Ended with exit code 0 [2023-12-02 23:13:17,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:17,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:13:17,552 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:13:17,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:13:17,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:17,552 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:13:17,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:13:17,553 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:13:17,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2023-12-02 23:13:17,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:17,795 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:13:17,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:17,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:13:17,841 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:13:19,709 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:13:19,712 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (140)] Ended with exit code 0 [2023-12-02 23:13:19,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:19,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:13:19,719 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:13:19,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:13:19,719 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:19,719 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:13:19,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:13:19,720 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:13:19,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (141)] Waiting until timeout for monitored process [2023-12-02 23:13:19,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:19,962 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:13:20,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:20,004 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:13:20,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:13:21,725 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:13:21,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (141)] Ended with exit code 0 [2023-12-02 23:13:21,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:21,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:13:21,735 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:13:21,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:13:21,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:21,736 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:13:21,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:13:21,736 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:13:21,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2023-12-02 23:13:21,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:21,976 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:13:22,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:22,020 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:13:22,021 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:13:23,811 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:13:23,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (142)] Ended with exit code 0 [2023-12-02 23:13:23,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:23,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:13:23,825 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:13:23,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:13:23,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:23,826 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:13:23,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:13:23,826 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:13:23,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (143)] Waiting until timeout for monitored process [2023-12-02 23:13:24,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:24,085 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:13:24,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:24,134 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 23:13:24,135 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:13:26,279 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-02 23:13:26,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (143)] Ended with exit code 0 [2023-12-02 23:13:26,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:26,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:13:26,321 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:13:26,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:13:26,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:26,322 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:13:26,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:13:26,322 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:13:26,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2023-12-02 23:13:26,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:26,563 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:13:26,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:26,603 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:13:26,604 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:13:29,071 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:13:29,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (144)] Ended with exit code 0 [2023-12-02 23:13:29,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:29,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:13:29,086 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:13:29,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:13:29,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:29,087 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:13:29,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:13:29,087 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:13:29,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (145)] Waiting until timeout for monitored process [2023-12-02 23:13:29,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:29,361 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:13:29,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:29,394 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:13:29,395 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:13:31,095 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:13:31,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (145)] Ended with exit code 0 [2023-12-02 23:13:31,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:31,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:13:31,105 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:13:31,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:13:31,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:31,106 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:13:31,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:13:31,106 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:13:31,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2023-12-02 23:13:31,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:31,402 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:13:31,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:31,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:13:31,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:13:33,306 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:13:33,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (146)] Ended with exit code 0 [2023-12-02 23:13:33,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:33,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:13:33,316 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:13:33,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:13:33,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:33,316 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:13:33,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:13:33,317 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:13:33,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (147)] Waiting until timeout for monitored process [2023-12-02 23:13:33,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:33,555 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:13:33,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:33,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:13:33,607 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:13:35,174 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:13:35,176 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (147)] Ended with exit code 0 [2023-12-02 23:13:35,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:35,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:13:35,183 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:13:35,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:13:35,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:35,183 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:13:35,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:13:35,184 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:13:35,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process [2023-12-02 23:13:35,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:35,428 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:13:35,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:35,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:13:35,484 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:13:37,297 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:13:37,299 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (148)] Ended with exit code 0 [2023-12-02 23:13:37,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:37,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:13:37,306 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:13:37,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:13:37,306 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:37,306 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:13:37,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:13:37,307 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:13:37,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (149)] Waiting until timeout for monitored process [2023-12-02 23:13:37,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:37,546 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:13:37,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:37,584 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:13:37,585 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:13:39,437 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:13:39,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (149)] Ended with exit code 0 [2023-12-02 23:13:39,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:39,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:13:39,448 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:13:39,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:13:39,450 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:39,450 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:13:39,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:13:39,451 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:13:39,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (150)] Waiting until timeout for monitored process [2023-12-02 23:13:39,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:39,694 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:13:39,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:39,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:13:39,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:13:41,553 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:13:41,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (150)] Ended with exit code 0 [2023-12-02 23:13:41,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:41,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:13:41,564 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:13:41,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:13:41,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:41,565 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:13:41,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:13:41,565 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:13:41,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (151)] Waiting until timeout for monitored process [2023-12-02 23:13:41,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:41,804 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:13:41,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:41,848 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:13:41,849 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:13:43,587 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:13:43,591 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (151)] Exception during sending of exit command (exit): Stream closed [2023-12-02 23:13:43,591 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (151)] Ended with exit code 0 [2023-12-02 23:13:43,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:43,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:13:43,598 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:13:43,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:13:43,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:43,598 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:13:43,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:13:43,599 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:13:43,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (152)] Waiting until timeout for monitored process [2023-12-02 23:13:43,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:43,839 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:13:43,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:43,887 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:13:43,887 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:13:45,554 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:13:45,557 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (152)] Ended with exit code 0 [2023-12-02 23:13:45,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:45,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:13:45,564 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:13:45,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:13:45,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:45,564 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:13:45,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:13:45,565 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:13:45,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (153)] Waiting until timeout for monitored process [2023-12-02 23:13:45,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:45,801 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:13:45,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:45,845 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:13:45,846 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:13:48,246 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:13:48,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (153)] Forceful destruction successful, exit code 0 [2023-12-02 23:13:48,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:48,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:13:48,257 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:13:48,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:13:48,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:48,257 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:13:48,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:13:48,258 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:13:48,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (154)] Waiting until timeout for monitored process [2023-12-02 23:13:48,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:48,498 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:13:48,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:48,549 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:13:48,550 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:13:50,835 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:13:50,838 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (154)] Ended with exit code 0 [2023-12-02 23:13:50,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:50,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:13:50,845 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:13:50,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:13:50,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:50,845 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:13:50,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:13:50,846 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:13:50,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (155)] Waiting until timeout for monitored process [2023-12-02 23:13:51,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:51,116 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:13:51,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:51,163 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:13:51,164 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:13:52,936 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:13:52,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (155)] Ended with exit code 0 [2023-12-02 23:13:52,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:52,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:13:52,946 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:13:52,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:13:52,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:52,947 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:13:52,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:13:52,947 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:13:52,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (156)] Waiting until timeout for monitored process [2023-12-02 23:13:53,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:53,181 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:13:53,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:53,217 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:13:53,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:13:54,792 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:13:54,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (156)] Ended with exit code 0 [2023-12-02 23:13:54,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:54,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:13:54,801 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:13:54,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:13:54,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:54,802 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:13:54,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:13:54,802 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:13:54,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (157)] Waiting until timeout for monitored process [2023-12-02 23:13:55,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:55,041 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:13:55,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:55,078 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 23:13:55,079 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:13:57,059 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-02 23:13:57,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (157)] Ended with exit code 0 [2023-12-02 23:13:57,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:57,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:13:57,097 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:13:57,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:13:57,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:57,098 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:13:57,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:13:57,099 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:13:57,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (158)] Waiting until timeout for monitored process [2023-12-02 23:13:57,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:57,335 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:13:57,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:57,395 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:13:57,396 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:01,077 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:14:01,080 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (158)] Ended with exit code 0 [2023-12-02 23:14:01,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:01,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:14:01,090 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:14:01,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:14:01,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:01,091 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:14:01,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:14:01,091 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:14:01,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (159)] Waiting until timeout for monitored process [2023-12-02 23:14:01,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:01,337 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:14:01,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:01,377 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:14:01,378 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:04,502 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:14:04,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (159)] Ended with exit code 0 [2023-12-02 23:14:04,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:04,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:14:04,514 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:14:04,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:14:04,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:04,514 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:14:04,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:14:04,515 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:14:04,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (160)] Waiting until timeout for monitored process [2023-12-02 23:14:04,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:04,764 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:14:04,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:04,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:14:04,806 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:06,869 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:14:06,871 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (160)] Ended with exit code 0 [2023-12-02 23:14:06,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:06,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:14:06,880 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:14:06,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:14:06,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:06,881 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:14:06,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:14:06,881 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:14:06,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (161)] Waiting until timeout for monitored process [2023-12-02 23:14:07,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:07,119 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:14:07,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:07,171 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 23:14:07,172 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:09,751 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-02 23:14:09,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (161)] Ended with exit code 0 [2023-12-02 23:14:09,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:09,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:14:09,787 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:14:09,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:14:09,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:09,788 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:14:09,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:14:09,788 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:14:09,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (162)] Waiting until timeout for monitored process [2023-12-02 23:14:10,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:10,038 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:14:10,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:10,090 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:14:10,091 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:13,279 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:14:13,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (162)] Forceful destruction successful, exit code 0 [2023-12-02 23:14:13,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:13,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:14:13,291 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:14:13,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:14:13,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:13,292 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:14:13,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:14:13,292 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:14:13,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (163)] Waiting until timeout for monitored process [2023-12-02 23:14:13,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:13,530 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:14:13,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:13,568 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:14:13,569 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:15,237 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:14:15,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (163)] Ended with exit code 0 [2023-12-02 23:14:15,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:15,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:14:15,249 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:14:15,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:14:15,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:15,249 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:14:15,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:14:15,250 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:14:15,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (164)] Waiting until timeout for monitored process [2023-12-02 23:14:15,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:15,493 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:14:15,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:15,536 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:14:15,537 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:18,773 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:14:18,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (164)] Forceful destruction successful, exit code 0 [2023-12-02 23:14:18,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:18,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:14:18,786 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:14:18,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:14:18,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:18,786 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:14:18,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:14:18,787 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:14:18,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (165)] Waiting until timeout for monitored process [2023-12-02 23:14:19,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:19,033 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:14:19,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:19,077 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:14:19,078 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:20,750 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:14:20,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (165)] Ended with exit code 0 [2023-12-02 23:14:20,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:20,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:14:20,765 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:14:20,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:14:20,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:20,765 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:14:20,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:14:20,766 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:14:20,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (166)] Waiting until timeout for monitored process [2023-12-02 23:14:21,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:21,013 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:14:21,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:21,060 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:14:21,061 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:24,351 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:14:24,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (166)] Ended with exit code 0 [2023-12-02 23:14:24,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:24,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:14:24,363 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:14:24,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:14:24,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:24,363 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:14:24,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:14:24,364 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:14:24,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (167)] Waiting until timeout for monitored process [2023-12-02 23:14:24,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:24,613 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:14:24,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:24,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 23:14:24,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:27,003 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-02 23:14:27,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (167)] Ended with exit code 0 [2023-12-02 23:14:27,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:27,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:14:27,045 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:14:27,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:14:27,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:27,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:14:27,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:14:27,046 INFO L229 MonitoredProcess]: Starting monitored process 168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:14:27,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (168)] Waiting until timeout for monitored process [2023-12-02 23:14:27,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:27,317 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:14:27,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:27,360 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:14:27,361 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:29,246 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:14:29,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (168)] Ended with exit code 0 [2023-12-02 23:14:29,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:29,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:14:29,258 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:14:29,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:14:29,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:29,259 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:14:29,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:14:29,260 INFO L229 MonitoredProcess]: Starting monitored process 169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:14:29,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (169)] Waiting until timeout for monitored process [2023-12-02 23:14:29,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:29,510 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:14:29,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:29,566 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:14:29,567 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:31,330 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:14:31,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (169)] Ended with exit code 0 [2023-12-02 23:14:31,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:31,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:14:31,376 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:14:31,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:14:31,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:31,376 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:14:31,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:14:31,377 INFO L229 MonitoredProcess]: Starting monitored process 170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:14:31,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (170)] Waiting until timeout for monitored process [2023-12-02 23:14:31,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:31,615 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:14:31,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:31,665 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:14:31,666 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:33,993 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:14:33,995 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (170)] Ended with exit code 0 [2023-12-02 23:14:34,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:34,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:14:34,005 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:14:34,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:14:34,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:34,006 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:14:34,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:14:34,006 INFO L229 MonitoredProcess]: Starting monitored process 171 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:14:34,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (171)] Waiting until timeout for monitored process [2023-12-02 23:14:34,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:34,258 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:14:34,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:34,318 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:14:34,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:36,103 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:14:36,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (171)] Ended with exit code 0 [2023-12-02 23:14:36,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:36,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:14:36,116 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:14:36,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:14:36,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:36,117 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:14:36,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:14:36,117 INFO L229 MonitoredProcess]: Starting monitored process 172 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:14:36,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (172)] Waiting until timeout for monitored process [2023-12-02 23:14:36,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:36,356 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:14:36,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:36,406 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:14:36,407 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:38,544 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:14:38,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (172)] Forceful destruction successful, exit code 0 [2023-12-02 23:14:38,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:38,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:14:38,561 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:14:38,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:14:38,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:38,562 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:14:38,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:14:38,562 INFO L229 MonitoredProcess]: Starting monitored process 173 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:14:38,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (173)] Waiting until timeout for monitored process [2023-12-02 23:14:38,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:38,825 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:14:38,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:38,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:14:38,870 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:40,848 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:14:40,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (173)] Ended with exit code 0 [2023-12-02 23:14:40,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:40,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:14:40,861 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:14:40,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:14:40,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:40,861 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:14:40,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:14:40,862 INFO L229 MonitoredProcess]: Starting monitored process 174 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:14:40,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (174)] Waiting until timeout for monitored process [2023-12-02 23:14:41,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:41,124 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:14:41,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:41,173 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 23:14:41,174 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:43,526 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:14:43,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (174)] Ended with exit code 0 [2023-12-02 23:14:43,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:43,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:14:43,749 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:14:43,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:14:43,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:43,750 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:14:43,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:14:43,751 INFO L229 MonitoredProcess]: Starting monitored process 175 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:14:43,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (175)] Waiting until timeout for monitored process [2023-12-02 23:14:44,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:44,001 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:14:44,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:44,041 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:14:44,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:45,936 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:14:45,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (175)] Ended with exit code 0 [2023-12-02 23:14:45,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:45,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:14:45,948 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:14:45,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:14:45,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:45,949 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:14:45,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:14:45,950 INFO L229 MonitoredProcess]: Starting monitored process 176 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:14:45,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (176)] Waiting until timeout for monitored process [2023-12-02 23:14:46,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:46,187 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:14:46,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:46,234 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:14:46,235 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:47,947 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:14:47,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (176)] Ended with exit code 0 [2023-12-02 23:14:47,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:47,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:14:47,957 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:14:47,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:14:47,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:47,958 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:14:47,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:14:47,958 INFO L229 MonitoredProcess]: Starting monitored process 177 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:14:47,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (177)] Waiting until timeout for monitored process [2023-12-02 23:14:48,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:48,211 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:14:48,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:48,248 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 23:14:48,249 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:50,422 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-02 23:14:50,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (177)] Ended with exit code 0 [2023-12-02 23:14:50,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:50,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:14:50,465 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:14:50,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:14:50,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:50,465 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:14:50,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:14:50,466 INFO L229 MonitoredProcess]: Starting monitored process 178 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:14:50,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (178)] Waiting until timeout for monitored process [2023-12-02 23:14:50,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:50,703 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:14:50,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:50,745 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:14:50,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:53,302 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:14:53,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (178)] Ended with exit code 0 [2023-12-02 23:14:53,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:53,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:14:53,312 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:14:53,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:14:53,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:53,312 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:14:53,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:14:53,313 INFO L229 MonitoredProcess]: Starting monitored process 179 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:14:53,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (179)] Waiting until timeout for monitored process [2023-12-02 23:14:53,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:53,558 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:14:53,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:53,599 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 23:14:53,600 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:56,317 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:14:56,319 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (179)] Ended with exit code 0 [2023-12-02 23:14:56,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:56,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:14:56,529 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:14:56,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:14:56,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:56,530 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:14:56,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:14:56,530 INFO L229 MonitoredProcess]: Starting monitored process 180 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:14:56,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (180)] Waiting until timeout for monitored process [2023-12-02 23:14:56,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:56,779 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:14:56,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:56,831 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:14:56,832 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:58,644 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:14:58,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (180)] Forceful destruction successful, exit code 0 [2023-12-02 23:14:58,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:58,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:14:58,689 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:14:58,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:14:58,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:58,690 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:14:58,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:14:58,691 INFO L229 MonitoredProcess]: Starting monitored process 181 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:14:58,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (181)] Waiting until timeout for monitored process [2023-12-02 23:14:58,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:58,937 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:14:58,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:58,984 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:14:58,985 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:03,877 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:15:03,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (181)] Ended with exit code 0 [2023-12-02 23:15:03,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:03,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:15:03,886 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:15:03,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:15:03,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:03,887 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:15:03,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:15:03,888 INFO L229 MonitoredProcess]: Starting monitored process 182 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:15:03,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (182)] Waiting until timeout for monitored process [2023-12-02 23:15:04,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:04,136 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:15:04,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:04,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:15:04,180 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:06,006 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:15:06,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (182)] Ended with exit code 0 [2023-12-02 23:15:06,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:06,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:15:06,015 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:15:06,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:15:06,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:06,015 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:15:06,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:15:06,016 INFO L229 MonitoredProcess]: Starting monitored process 183 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:15:06,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (183)] Waiting until timeout for monitored process [2023-12-02 23:15:06,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:06,264 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:15:06,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:06,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:15:06,323 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:09,179 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:15:09,182 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (183)] Ended with exit code 0 [2023-12-02 23:15:09,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:09,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:15:09,189 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:15:09,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:15:09,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:09,189 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:15:09,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:15:09,190 INFO L229 MonitoredProcess]: Starting monitored process 184 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:15:09,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (184)] Waiting until timeout for monitored process [2023-12-02 23:15:09,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:09,434 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:15:09,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:09,488 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:15:09,489 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:11,494 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:15:11,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (184)] Ended with exit code 0 [2023-12-02 23:15:11,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:11,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:15:11,503 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:15:11,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:15:11,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:11,504 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:15:11,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:15:11,504 INFO L229 MonitoredProcess]: Starting monitored process 185 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:15:11,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (185)] Waiting until timeout for monitored process [2023-12-02 23:15:11,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:11,747 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:15:11,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:11,786 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:15:11,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:13,493 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:15:13,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (185)] Ended with exit code 0 [2023-12-02 23:15:13,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:13,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:15:13,502 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:15:13,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:15:13,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:13,502 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:15:13,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:15:13,503 INFO L229 MonitoredProcess]: Starting monitored process 186 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:15:13,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (186)] Waiting until timeout for monitored process [2023-12-02 23:15:13,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:13,755 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:15:13,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:13,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:15:13,815 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:15,712 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:15:15,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (186)] Ended with exit code 0 [2023-12-02 23:15:15,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:15,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:15:15,722 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:15:15,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:15:15,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:15,722 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:15:15,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:15:15,723 INFO L229 MonitoredProcess]: Starting monitored process 187 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:15:15,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (187)] Waiting until timeout for monitored process [2023-12-02 23:15:15,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:15,984 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:15:16,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:16,028 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:15:16,029 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:17,876 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:15:17,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (187)] Ended with exit code 0 [2023-12-02 23:15:17,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:17,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:15:17,888 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:15:17,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:15:17,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:17,888 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:15:17,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:15:17,889 INFO L229 MonitoredProcess]: Starting monitored process 188 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:15:17,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (188)] Waiting until timeout for monitored process [2023-12-02 23:15:18,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:18,137 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:15:18,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:18,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 23:15:18,180 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:19,716 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:15:19,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (188)] Ended with exit code 0 [2023-12-02 23:15:19,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:19,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:15:19,906 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:15:19,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:15:19,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:19,906 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:15:19,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:15:19,907 INFO L229 MonitoredProcess]: Starting monitored process 189 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:15:19,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (189)] Waiting until timeout for monitored process [2023-12-02 23:15:20,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:20,160 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:15:20,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:20,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:15:20,213 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:22,106 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:15:22,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (189)] Ended with exit code 0 [2023-12-02 23:15:22,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:22,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:15:22,116 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:15:22,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:15:22,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:22,116 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:15:22,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:15:22,117 INFO L229 MonitoredProcess]: Starting monitored process 190 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:15:22,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (190)] Waiting until timeout for monitored process [2023-12-02 23:15:22,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:22,366 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:15:22,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:22,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:15:22,417 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:24,253 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:15:24,256 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (190)] Ended with exit code 0 [2023-12-02 23:15:24,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:24,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:15:24,263 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:15:24,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:15:24,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:24,263 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:15:24,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:15:24,264 INFO L229 MonitoredProcess]: Starting monitored process 191 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:15:24,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (191)] Waiting until timeout for monitored process [2023-12-02 23:15:24,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:24,510 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:15:24,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:24,582 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 23:15:24,583 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:26,754 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-02 23:15:26,757 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (191)] Ended with exit code 0 [2023-12-02 23:15:26,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:26,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:15:26,788 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:15:26,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:15:26,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:26,788 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:15:26,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:15:26,789 INFO L229 MonitoredProcess]: Starting monitored process 192 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:15:26,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (192)] Waiting until timeout for monitored process [2023-12-02 23:15:27,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:27,112 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:15:27,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:27,157 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:15:27,158 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:28,881 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:15:28,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (192)] Ended with exit code 0 [2023-12-02 23:15:28,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:28,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:15:28,891 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:15:28,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:15:28,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:28,891 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:15:28,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:15:28,892 INFO L229 MonitoredProcess]: Starting monitored process 193 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:15:28,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (193)] Waiting until timeout for monitored process [2023-12-02 23:15:29,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:29,161 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:15:29,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:29,207 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:15:29,207 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:31,270 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:15:31,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (193)] Ended with exit code 0 [2023-12-02 23:15:31,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:31,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:15:31,282 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:15:31,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:15:31,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:31,282 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:15:31,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:15:31,283 INFO L229 MonitoredProcess]: Starting monitored process 194 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:15:31,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (194)] Waiting until timeout for monitored process [2023-12-02 23:15:31,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:31,530 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:15:31,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:31,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:15:31,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:33,324 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:15:33,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (194)] Ended with exit code 0 [2023-12-02 23:15:33,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:33,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:15:33,334 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:15:33,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:15:33,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:33,334 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:15:33,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:15:33,335 INFO L229 MonitoredProcess]: Starting monitored process 195 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:15:33,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (195)] Waiting until timeout for monitored process [2023-12-02 23:15:33,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:33,584 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:15:33,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:33,627 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:15:33,628 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:36,049 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:15:36,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (195)] Ended with exit code 0 [2023-12-02 23:15:36,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:36,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:15:36,058 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:15:36,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:15:36,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:36,059 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:15:36,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:15:36,060 INFO L229 MonitoredProcess]: Starting monitored process 196 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:15:36,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (196)] Waiting until timeout for monitored process [2023-12-02 23:15:36,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:36,297 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:15:36,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:36,337 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:15:36,338 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:38,135 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:15:38,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (196)] Ended with exit code 0 [2023-12-02 23:15:38,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:38,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:15:38,146 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:15:38,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:15:38,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:38,146 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:15:38,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:15:38,147 INFO L229 MonitoredProcess]: Starting monitored process 197 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:15:38,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (197)] Waiting until timeout for monitored process [2023-12-02 23:15:38,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:38,391 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:15:38,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:38,435 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:15:38,436 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:40,103 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:15:40,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (197)] Forceful destruction successful, exit code 0 [2023-12-02 23:15:40,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:40,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:15:40,112 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:15:40,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:15:40,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:40,112 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:15:40,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:15:40,113 INFO L229 MonitoredProcess]: Starting monitored process 198 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:15:40,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (198)] Waiting until timeout for monitored process [2023-12-02 23:15:40,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:40,350 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:15:40,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:40,400 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:15:40,401 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:42,404 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:15:42,406 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (198)] Ended with exit code 0 [2023-12-02 23:15:42,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:42,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:15:42,416 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:15:42,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:15:42,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:42,416 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:15:42,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:15:42,417 INFO L229 MonitoredProcess]: Starting monitored process 199 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:15:42,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (199)] Waiting until timeout for monitored process [2023-12-02 23:15:42,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:42,660 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:15:42,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:42,715 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:15:42,715 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:45,211 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:15:45,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (199)] Ended with exit code 0 [2023-12-02 23:15:45,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:45,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:15:45,220 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:15:45,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:15:45,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:45,220 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:15:45,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:15:45,221 INFO L229 MonitoredProcess]: Starting monitored process 200 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:15:45,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (200)] Waiting until timeout for monitored process [2023-12-02 23:15:45,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:45,467 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:15:45,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:45,523 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:15:45,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:47,693 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:15:47,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (200)] Ended with exit code 0 [2023-12-02 23:15:47,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:47,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:15:47,702 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:15:47,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:15:47,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:47,702 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:15:47,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:15:47,703 INFO L229 MonitoredProcess]: Starting monitored process 201 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:15:47,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (201)] Waiting until timeout for monitored process [2023-12-02 23:15:47,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:47,952 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:15:48,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:48,007 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:15:48,008 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:50,230 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:15:50,233 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (201)] Ended with exit code 0 [2023-12-02 23:15:50,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:50,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:15:50,240 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:15:50,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:15:50,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:50,241 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:15:50,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:15:50,241 INFO L229 MonitoredProcess]: Starting monitored process 202 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:15:50,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (202)] Waiting until timeout for monitored process [2023-12-02 23:15:50,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:50,479 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:15:50,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:50,524 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:15:50,525 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:52,683 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:15:52,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (202)] Ended with exit code 0 [2023-12-02 23:15:52,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:52,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:15:52,693 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:15:52,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:15:52,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:52,693 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:15:52,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:15:52,694 INFO L229 MonitoredProcess]: Starting monitored process 203 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:15:52,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (203)] Waiting until timeout for monitored process [2023-12-02 23:15:52,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:52,944 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:15:52,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:52,986 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:15:52,987 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:54,852 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:15:54,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (203)] Ended with exit code 0 [2023-12-02 23:15:54,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:54,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:15:54,863 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:15:54,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:15:54,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:54,863 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:15:54,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:15:54,864 INFO L229 MonitoredProcess]: Starting monitored process 204 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:15:54,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (204)] Waiting until timeout for monitored process [2023-12-02 23:15:55,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:55,111 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:15:55,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:55,167 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:15:55,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:00,266 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:16:00,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (204)] Ended with exit code 0 [2023-12-02 23:16:00,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:00,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:16:00,281 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:16:00,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:16:00,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:00,282 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:00,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:00,282 INFO L229 MonitoredProcess]: Starting monitored process 205 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:00,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (205)] Waiting until timeout for monitored process [2023-12-02 23:16:00,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:00,524 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:00,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:00,567 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:16:00,568 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:02,417 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:16:02,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (205)] Ended with exit code 0 [2023-12-02 23:16:02,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:02,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:16:02,427 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:16:02,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:16:02,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:02,427 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:02,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:02,428 INFO L229 MonitoredProcess]: Starting monitored process 206 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:02,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (206)] Waiting until timeout for monitored process [2023-12-02 23:16:02,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:02,674 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:02,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:02,711 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:16:02,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:04,501 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:16:04,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (206)] Ended with exit code 0 [2023-12-02 23:16:04,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:04,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:16:04,511 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:16:04,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:16:04,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:04,511 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:04,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:04,512 INFO L229 MonitoredProcess]: Starting monitored process 207 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:04,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (207)] Waiting until timeout for monitored process [2023-12-02 23:16:04,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:04,760 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:04,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:04,810 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:16:04,811 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:06,520 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:16:06,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (207)] Ended with exit code 0 [2023-12-02 23:16:06,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:06,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:16:06,530 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:16:06,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:16:06,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:06,531 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:06,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:06,531 INFO L229 MonitoredProcess]: Starting monitored process 208 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:06,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (208)] Waiting until timeout for monitored process [2023-12-02 23:16:06,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:06,780 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:06,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:06,843 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:16:06,844 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:09,149 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:16:09,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (208)] Ended with exit code 0 [2023-12-02 23:16:09,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:09,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:16:09,201 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:16:09,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:16:09,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:09,201 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:09,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:09,202 INFO L229 MonitoredProcess]: Starting monitored process 209 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:09,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (209)] Waiting until timeout for monitored process [2023-12-02 23:16:09,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:09,443 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:09,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:09,487 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:16:09,488 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:11,063 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:16:11,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (209)] Ended with exit code 0 [2023-12-02 23:16:11,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:11,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:16:11,073 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:16:11,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:16:11,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:11,073 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:11,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:11,074 INFO L229 MonitoredProcess]: Starting monitored process 210 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:11,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (210)] Waiting until timeout for monitored process [2023-12-02 23:16:11,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:11,323 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:11,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:11,367 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:16:11,368 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:13,178 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:16:13,181 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (210)] Ended with exit code 0 [2023-12-02 23:16:13,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:13,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:16:13,188 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:16:13,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:16:13,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:13,188 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:13,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:13,189 INFO L229 MonitoredProcess]: Starting monitored process 211 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:13,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (211)] Waiting until timeout for monitored process [2023-12-02 23:16:13,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:13,438 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:13,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:13,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:16:13,494 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:15,268 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:16:15,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (211)] Ended with exit code 0 [2023-12-02 23:16:15,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:15,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:16:15,311 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:16:15,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:16:15,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:15,311 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:15,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:15,312 INFO L229 MonitoredProcess]: Starting monitored process 212 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:15,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (212)] Waiting until timeout for monitored process [2023-12-02 23:16:15,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:15,552 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:15,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:15,594 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:16:15,595 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:17,391 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:16:17,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (212)] Ended with exit code 0 [2023-12-02 23:16:17,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:17,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:16:17,404 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:16:17,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:16:17,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:17,404 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:17,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:17,405 INFO L229 MonitoredProcess]: Starting monitored process 213 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:17,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (213)] Waiting until timeout for monitored process [2023-12-02 23:16:17,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:17,648 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:17,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:17,693 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:16:17,694 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:19,317 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:16:19,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (213)] Ended with exit code 0 [2023-12-02 23:16:19,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:19,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:16:19,362 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:16:19,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:16:19,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:19,362 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:19,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:19,363 INFO L229 MonitoredProcess]: Starting monitored process 214 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:19,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (214)] Waiting until timeout for monitored process [2023-12-02 23:16:19,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:19,610 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:19,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:19,650 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 23:16:19,651 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:21,725 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-02 23:16:21,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (214)] Ended with exit code 0 [2023-12-02 23:16:21,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:21,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:16:21,768 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:16:21,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:16:21,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:21,768 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:21,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:21,769 INFO L229 MonitoredProcess]: Starting monitored process 215 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:21,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (215)] Waiting until timeout for monitored process [2023-12-02 23:16:22,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:22,013 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:22,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:22,054 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:16:22,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:24,208 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:16:24,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (215)] Ended with exit code 0 [2023-12-02 23:16:24,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:24,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:16:24,254 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:16:24,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:16:24,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:24,255 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:24,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:24,255 INFO L229 MonitoredProcess]: Starting monitored process 216 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:24,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (216)] Waiting until timeout for monitored process [2023-12-02 23:16:24,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:24,502 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:24,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:24,560 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 23:16:24,561 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:26,612 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-02 23:16:26,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (216)] Ended with exit code 0 [2023-12-02 23:16:26,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:26,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:16:26,645 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:16:26,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:16:26,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:26,645 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:26,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:26,646 INFO L229 MonitoredProcess]: Starting monitored process 217 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:26,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (217)] Waiting until timeout for monitored process [2023-12-02 23:16:26,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:26,893 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:26,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:26,945 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:16:26,945 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:28,577 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:16:28,580 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (217)] Ended with exit code 0 [2023-12-02 23:16:28,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:28,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:16:28,587 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:16:28,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:16:28,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:28,587 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:28,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:28,588 INFO L229 MonitoredProcess]: Starting monitored process 218 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:28,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (218)] Waiting until timeout for monitored process [2023-12-02 23:16:28,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:28,832 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:28,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:28,876 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:16:28,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:30,670 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:16:30,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (218)] Ended with exit code 0 [2023-12-02 23:16:30,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:30,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:16:30,680 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:16:30,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:16:30,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:30,680 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:30,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:30,681 INFO L229 MonitoredProcess]: Starting monitored process 219 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:30,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (219)] Waiting until timeout for monitored process [2023-12-02 23:16:30,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:30,919 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:30,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:30,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:16:30,964 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:32,694 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:16:32,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (219)] Ended with exit code 0 [2023-12-02 23:16:32,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:32,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:16:32,741 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:16:32,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:16:32,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:32,742 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:32,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:32,742 INFO L229 MonitoredProcess]: Starting monitored process 220 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:32,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (220)] Waiting until timeout for monitored process [2023-12-02 23:16:32,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:32,980 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:33,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:33,017 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 23:16:33,018 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:34,953 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-02 23:16:34,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (220)] Ended with exit code 0 [2023-12-02 23:16:34,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:34,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:16:34,990 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:16:34,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:16:34,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:34,991 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:34,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:34,992 INFO L229 MonitoredProcess]: Starting monitored process 221 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:34,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (221)] Waiting until timeout for monitored process [2023-12-02 23:16:35,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:35,236 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:35,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:35,290 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:16:35,291 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:37,058 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:16:37,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (221)] Ended with exit code 0 [2023-12-02 23:16:37,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:37,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:16:37,068 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:16:37,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:16:37,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:37,068 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:37,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:37,069 INFO L229 MonitoredProcess]: Starting monitored process 222 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:37,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (222)] Waiting until timeout for monitored process [2023-12-02 23:16:37,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:37,306 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:37,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:37,348 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:16:37,349 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:39,256 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:16:39,258 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (222)] Forceful destruction successful, exit code 0 [2023-12-02 23:16:39,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:39,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:16:39,265 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:16:39,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:16:39,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:39,265 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:39,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:39,266 INFO L229 MonitoredProcess]: Starting monitored process 223 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:39,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (223)] Waiting until timeout for monitored process [2023-12-02 23:16:39,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:39,515 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:39,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:39,557 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:16:39,558 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:41,306 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:16:41,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (223)] Ended with exit code 0 [2023-12-02 23:16:41,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:41,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:16:41,316 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:16:41,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:16:41,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:41,316 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:41,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:41,317 INFO L229 MonitoredProcess]: Starting monitored process 224 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:41,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (224)] Waiting until timeout for monitored process [2023-12-02 23:16:41,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:41,560 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:41,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:41,626 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 23:16:41,627 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:43,754 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-02 23:16:43,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (224)] Forceful destruction successful, exit code 0 [2023-12-02 23:16:43,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:43,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:16:43,793 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:16:43,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:16:43,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:43,794 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:43,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:43,794 INFO L229 MonitoredProcess]: Starting monitored process 225 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:43,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (225)] Waiting until timeout for monitored process [2023-12-02 23:16:44,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:44,026 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:44,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:44,082 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 23:16:44,083 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:46,149 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:16:46,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (225)] Forceful destruction successful, exit code 0 [2023-12-02 23:16:46,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:46,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:16:46,339 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:16:46,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:16:46,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:46,340 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:46,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:46,340 INFO L229 MonitoredProcess]: Starting monitored process 226 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:46,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (226)] Waiting until timeout for monitored process [2023-12-02 23:16:46,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:46,587 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:46,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:46,632 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:16:46,633 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:48,464 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:16:48,467 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (226)] Ended with exit code 0 [2023-12-02 23:16:48,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:48,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:16:48,474 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:16:48,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:16:48,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:48,474 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:48,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:48,475 INFO L229 MonitoredProcess]: Starting monitored process 227 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:48,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (227)] Waiting until timeout for monitored process [2023-12-02 23:16:48,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:48,710 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:48,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:48,750 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:16:48,751 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:52,909 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:16:52,912 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (227)] Ended with exit code 0 [2023-12-02 23:16:52,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:52,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:16:52,952 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:16:52,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:16:52,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:52,952 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:52,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:52,953 INFO L229 MonitoredProcess]: Starting monitored process 228 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:52,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (228)] Waiting until timeout for monitored process [2023-12-02 23:16:53,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:53,188 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:53,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:53,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:16:53,242 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:54,999 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:16:55,002 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (228)] Ended with exit code 0 [2023-12-02 23:16:55,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:55,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:16:55,009 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:16:55,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:16:55,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:55,009 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:55,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:55,010 INFO L229 MonitoredProcess]: Starting monitored process 229 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:55,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (229)] Waiting until timeout for monitored process [2023-12-02 23:16:55,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:55,258 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:55,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:55,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:16:55,304 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:57,349 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:16:57,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (229)] Ended with exit code 0 [2023-12-02 23:16:57,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:57,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:16:57,395 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:16:57,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:16:57,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:57,396 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:57,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:57,396 INFO L229 MonitoredProcess]: Starting monitored process 230 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:57,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (230)] Waiting until timeout for monitored process [2023-12-02 23:16:57,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:57,645 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:57,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:57,702 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:16:57,703 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:01,912 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:17:01,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (230)] Ended with exit code 0 [2023-12-02 23:17:01,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:01,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:17:01,921 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:17:01,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:17:01,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:01,921 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:17:01,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:17:01,922 INFO L229 MonitoredProcess]: Starting monitored process 231 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:17:01,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (231)] Waiting until timeout for monitored process [2023-12-02 23:17:02,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:02,159 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:17:02,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:02,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:17:02,203 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:04,167 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:17:04,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (231)] Ended with exit code 0 [2023-12-02 23:17:04,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:04,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:17:04,176 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:17:04,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:17:04,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:04,177 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:17:04,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:17:04,177 INFO L229 MonitoredProcess]: Starting monitored process 232 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:17:04,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (232)] Waiting until timeout for monitored process [2023-12-02 23:17:04,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:04,425 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:17:04,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:04,464 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:17:04,465 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:06,358 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:17:06,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (232)] Ended with exit code 0 [2023-12-02 23:17:06,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:06,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:17:06,367 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:17:06,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:17:06,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:06,368 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:17:06,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:17:06,368 INFO L229 MonitoredProcess]: Starting monitored process 233 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:17:06,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (233)] Waiting until timeout for monitored process [2023-12-02 23:17:06,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:06,617 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:17:06,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:06,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:17:06,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:08,511 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:17:08,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (233)] Ended with exit code 0 [2023-12-02 23:17:08,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:08,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:17:08,555 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:17:08,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:17:08,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:08,555 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:17:08,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:17:08,556 INFO L229 MonitoredProcess]: Starting monitored process 234 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:17:08,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (234)] Waiting until timeout for monitored process [2023-12-02 23:17:08,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:08,803 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:17:08,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:08,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:17:08,840 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:10,640 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:17:10,643 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (234)] Ended with exit code 0 [2023-12-02 23:17:10,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:10,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:17:10,687 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:17:10,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:17:10,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:10,687 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:17:10,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:17:10,688 INFO L229 MonitoredProcess]: Starting monitored process 235 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:17:10,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (235)] Waiting until timeout for monitored process [2023-12-02 23:17:10,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:10,952 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:17:10,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:10,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 23:17:10,996 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:12,726 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:17:12,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (235)] Ended with exit code 0 [2023-12-02 23:17:12,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:12,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:17:12,927 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:17:12,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:17:12,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:12,927 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:17:12,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:17:12,928 INFO L229 MonitoredProcess]: Starting monitored process 236 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:17:12,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (236)] Waiting until timeout for monitored process [2023-12-02 23:17:13,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:13,173 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:17:13,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:13,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 23:17:13,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:15,230 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-02 23:17:15,233 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (236)] Ended with exit code 0 [2023-12-02 23:17:15,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:15,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:17:15,268 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:17:15,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:17:15,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:15,269 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:17:15,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:17:15,269 INFO L229 MonitoredProcess]: Starting monitored process 237 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:17:15,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (237)] Waiting until timeout for monitored process [2023-12-02 23:17:15,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:15,500 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:17:15,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:15,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:17:15,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:17,478 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:17:17,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (237)] Ended with exit code 0 [2023-12-02 23:17:17,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:17,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:17:17,488 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:17:17,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:17:17,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:17,488 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:17:17,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:17:17,489 INFO L229 MonitoredProcess]: Starting monitored process 238 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:17:17,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (238)] Waiting until timeout for monitored process [2023-12-02 23:17:17,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:17,732 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:17:17,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:17,773 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:17:17,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:19,457 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:17:19,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (238)] Ended with exit code 0 [2023-12-02 23:17:19,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:19,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:17:19,467 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:17:19,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:17:19,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:19,467 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:17:19,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:17:19,468 INFO L229 MonitoredProcess]: Starting monitored process 239 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:17:19,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (239)] Waiting until timeout for monitored process [2023-12-02 23:17:19,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:19,703 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:17:19,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:19,745 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:17:19,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:21,903 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:17:21,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (239)] Ended with exit code 0 [2023-12-02 23:17:21,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:21,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:17:21,947 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:17:21,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:17:21,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:21,947 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:17:21,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:17:21,948 INFO L229 MonitoredProcess]: Starting monitored process 240 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:17:21,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (240)] Waiting until timeout for monitored process [2023-12-02 23:17:22,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:22,190 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:17:22,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:22,235 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:17:22,236 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:24,191 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:17:24,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (240)] Ended with exit code 0 [2023-12-02 23:17:24,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:24,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:17:24,200 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:17:24,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:17:24,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:24,200 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:17:24,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:17:24,201 INFO L229 MonitoredProcess]: Starting monitored process 241 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:17:24,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (241)] Waiting until timeout for monitored process [2023-12-02 23:17:24,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:24,433 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:17:24,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:24,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:17:24,487 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:26,480 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:17:26,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (241)] Ended with exit code 0 [2023-12-02 23:17:26,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:26,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:17:26,494 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:17:26,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:17:26,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:26,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:17:26,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:17:26,495 INFO L229 MonitoredProcess]: Starting monitored process 242 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:17:26,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (242)] Waiting until timeout for monitored process [2023-12-02 23:17:26,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:26,739 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:17:26,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:26,775 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:17:26,776 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:28,441 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:17:28,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (242)] Ended with exit code 0 [2023-12-02 23:17:28,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:28,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:17:28,450 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:17:28,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:17:28,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:28,451 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:17:28,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:17:28,452 INFO L229 MonitoredProcess]: Starting monitored process 243 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:17:28,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (243)] Waiting until timeout for monitored process [2023-12-02 23:17:28,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:28,688 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:17:28,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:28,728 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:17:28,728 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:30,481 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:17:30,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (243)] Ended with exit code 0 [2023-12-02 23:17:30,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:30,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:17:30,491 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:17:30,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:17:30,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:30,492 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:17:30,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:17:30,492 INFO L229 MonitoredProcess]: Starting monitored process 244 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:17:30,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (244)] Waiting until timeout for monitored process [2023-12-02 23:17:30,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:30,740 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:17:30,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:30,786 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 23:17:30,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:33,178 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-02 23:17:33,181 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (244)] Ended with exit code 0 [2023-12-02 23:17:33,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:33,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:17:33,213 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:17:33,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:17:33,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:33,213 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:17:33,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:17:33,214 INFO L229 MonitoredProcess]: Starting monitored process 245 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:17:33,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (245)] Waiting until timeout for monitored process [2023-12-02 23:17:33,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:33,453 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:17:33,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:33,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:17:33,494 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:35,462 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:17:35,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (245)] Ended with exit code 0 [2023-12-02 23:17:35,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:35,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:17:35,472 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:17:35,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:17:35,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:35,472 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:17:35,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:17:35,473 INFO L229 MonitoredProcess]: Starting monitored process 246 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:17:35,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (246)] Waiting until timeout for monitored process [2023-12-02 23:17:35,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:35,719 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:17:35,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:35,763 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:17:35,764 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:37,646 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:17:37,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (246)] Ended with exit code 0 [2023-12-02 23:17:37,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:37,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:17:37,656 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:17:37,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:17:37,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:37,656 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:17:37,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:17:37,657 INFO L229 MonitoredProcess]: Starting monitored process 247 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:17:37,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (247)] Waiting until timeout for monitored process [2023-12-02 23:17:37,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:37,902 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:17:37,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:37,959 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:17:37,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:39,688 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:17:39,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (247)] Ended with exit code 0 [2023-12-02 23:17:39,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:39,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:17:39,697 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:17:39,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:17:39,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:39,697 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:17:39,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:17:39,698 INFO L229 MonitoredProcess]: Starting monitored process 248 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:17:39,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (248)] Waiting until timeout for monitored process [2023-12-02 23:17:39,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:39,945 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:17:39,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:39,980 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:17:39,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:41,650 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:17:41,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (248)] Ended with exit code 0 [2023-12-02 23:17:41,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:41,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:17:41,660 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:17:41,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:17:41,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:41,660 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:17:41,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:17:41,661 INFO L229 MonitoredProcess]: Starting monitored process 249 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:17:41,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (249)] Waiting until timeout for monitored process [2023-12-02 23:17:41,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:41,907 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:17:41,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:41,951 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:17:41,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:43,678 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:17:43,681 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (249)] Ended with exit code 0 [2023-12-02 23:17:43,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:43,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:17:43,689 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:17:43,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:17:43,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:43,690 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:17:43,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:17:43,690 INFO L229 MonitoredProcess]: Starting monitored process 250 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:17:43,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (250)] Waiting until timeout for monitored process [2023-12-02 23:17:43,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:43,924 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:17:43,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:43,970 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:17:43,971 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:45,772 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:17:45,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (250)] Ended with exit code 0 [2023-12-02 23:17:45,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:45,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:17:45,784 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:17:45,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:17:45,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:45,784 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:17:45,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:17:45,785 INFO L229 MonitoredProcess]: Starting monitored process 251 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:17:45,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (251)] Waiting until timeout for monitored process [2023-12-02 23:17:46,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:46,024 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:17:46,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:46,071 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:17:46,072 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:48,553 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:17:48,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (251)] Ended with exit code 0 [2023-12-02 23:17:48,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:48,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:17:48,565 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:17:48,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:17:48,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:48,565 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:17:48,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:17:48,566 INFO L229 MonitoredProcess]: Starting monitored process 252 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:17:48,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (252)] Waiting until timeout for monitored process [2023-12-02 23:17:48,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:48,804 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:17:48,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:48,847 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:17:48,848 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:50,921 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:17:50,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (252)] Ended with exit code 0 [2023-12-02 23:17:50,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:50,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:17:50,935 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:17:50,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:17:50,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:50,936 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:17:50,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:17:50,936 INFO L229 MonitoredProcess]: Starting monitored process 253 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:17:50,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (253)] Waiting until timeout for monitored process [2023-12-02 23:17:51,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:51,164 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:17:51,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:51,218 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:17:51,219 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:52,917 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:17:52,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (253)] Ended with exit code 0 [2023-12-02 23:17:52,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:52,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:17:52,926 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:17:52,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:17:52,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:52,926 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:17:52,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:17:52,927 INFO L229 MonitoredProcess]: Starting monitored process 254 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:17:52,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (254)] Waiting until timeout for monitored process [2023-12-02 23:17:53,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:53,162 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:17:53,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:53,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:17:53,213 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:54,892 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:17:54,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (254)] Ended with exit code 0 [2023-12-02 23:17:54,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:54,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:17:54,902 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:17:54,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:17:54,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:54,903 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:17:54,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:17:54,903 INFO L229 MonitoredProcess]: Starting monitored process 255 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:17:54,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (255)] Waiting until timeout for monitored process [2023-12-02 23:17:55,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:55,136 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:17:55,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:55,185 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:17:55,186 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:56,973 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:17:56,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (255)] Ended with exit code 0 [2023-12-02 23:17:56,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:56,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:17:56,983 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:17:56,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:17:56,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:56,983 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:17:56,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:17:56,984 INFO L229 MonitoredProcess]: Starting monitored process 256 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:17:56,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (256)] Waiting until timeout for monitored process [2023-12-02 23:17:57,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:57,255 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:17:57,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:57,317 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 23:17:57,318 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:01,101 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-02 23:18:01,103 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (256)] Forceful destruction successful, exit code 0 [2023-12-02 23:18:01,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:01,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:18:01,140 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:18:01,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:18:01,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:01,140 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:18:01,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:18:01,141 INFO L229 MonitoredProcess]: Starting monitored process 257 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:18:01,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (257)] Waiting until timeout for monitored process [2023-12-02 23:18:01,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:01,377 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:18:01,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:01,419 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:18:01,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:03,509 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:18:03,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (257)] Ended with exit code 0 [2023-12-02 23:18:03,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:03,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:18:03,525 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:18:03,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:18:03,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:03,525 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:18:03,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:18:03,526 INFO L229 MonitoredProcess]: Starting monitored process 258 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:18:03,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (258)] Waiting until timeout for monitored process [2023-12-02 23:18:03,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:03,788 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:18:03,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:03,849 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:18:03,850 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:05,750 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:18:05,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (258)] Ended with exit code 0 [2023-12-02 23:18:05,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:05,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:18:05,760 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:18:05,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:18:05,760 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:05,760 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:18:05,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:18:05,761 INFO L229 MonitoredProcess]: Starting monitored process 259 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:18:05,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (259)] Waiting until timeout for monitored process [2023-12-02 23:18:06,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:06,024 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:18:06,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:06,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:18:06,074 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:07,810 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:18:07,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (259)] Ended with exit code 0 [2023-12-02 23:18:07,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:07,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:18:07,820 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:18:07,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:18:07,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:07,820 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:18:07,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:18:07,821 INFO L229 MonitoredProcess]: Starting monitored process 260 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:18:07,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (260)] Waiting until timeout for monitored process [2023-12-02 23:18:08,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:08,053 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:18:08,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:08,096 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:18:08,097 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:10,094 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:18:10,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (260)] Ended with exit code 0 [2023-12-02 23:18:10,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:10,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:18:10,105 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:18:10,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:18:10,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:10,105 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:18:10,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:18:10,106 INFO L229 MonitoredProcess]: Starting monitored process 261 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:18:10,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (261)] Waiting until timeout for monitored process [2023-12-02 23:18:10,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:10,381 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:18:10,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:10,430 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 23:18:10,431 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:13,135 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-02 23:18:13,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (261)] Ended with exit code 0 [2023-12-02 23:18:13,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:13,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:18:13,171 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:18:13,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:18:13,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:13,171 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:18:13,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:18:13,172 INFO L229 MonitoredProcess]: Starting monitored process 262 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:18:13,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (262)] Waiting until timeout for monitored process [2023-12-02 23:18:13,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:13,432 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:18:13,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:13,474 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:18:13,475 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:15,582 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:18:15,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (262)] Ended with exit code 0 [2023-12-02 23:18:15,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:15,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:18:15,596 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:18:15,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:18:15,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:15,597 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:18:15,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:18:15,598 INFO L229 MonitoredProcess]: Starting monitored process 263 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:18:15,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (263)] Waiting until timeout for monitored process [2023-12-02 23:18:15,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:15,863 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:18:15,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:15,907 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:18:15,908 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:18,228 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:18:18,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (263)] Ended with exit code 0 [2023-12-02 23:18:18,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:18,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:18:18,239 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:18:18,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:18:18,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:18,239 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:18:18,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:18:18,240 INFO L229 MonitoredProcess]: Starting monitored process 264 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:18:18,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (264)] Waiting until timeout for monitored process [2023-12-02 23:18:18,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:18,473 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:18:18,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:18,515 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:18:18,516 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:20,590 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:18:20,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (264)] Ended with exit code 0 [2023-12-02 23:18:20,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:20,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:18:20,603 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:18:20,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:18:20,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:20,603 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:18:20,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:18:20,604 INFO L229 MonitoredProcess]: Starting monitored process 265 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:18:20,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (265)] Waiting until timeout for monitored process [2023-12-02 23:18:20,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:20,866 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:18:20,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:20,914 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:18:20,915 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:22,836 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:18:22,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (265)] Ended with exit code 0 [2023-12-02 23:18:22,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:22,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:18:22,853 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:18:22,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:18:22,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:22,854 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:18:22,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:18:22,855 INFO L229 MonitoredProcess]: Starting monitored process 266 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:18:22,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (266)] Waiting until timeout for monitored process [2023-12-02 23:18:23,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:23,091 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:18:23,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:23,136 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:18:23,136 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:24,846 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:18:24,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (266)] Ended with exit code 0 [2023-12-02 23:18:24,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:24,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:18:24,859 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:18:24,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:18:24,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:24,859 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:18:24,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:18:24,860 INFO L229 MonitoredProcess]: Starting monitored process 267 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:18:24,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (267)] Waiting until timeout for monitored process [2023-12-02 23:18:25,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:25,109 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:18:25,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:25,167 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:18:25,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:27,336 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:18:27,339 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (267)] Ended with exit code 0 [2023-12-02 23:18:27,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:27,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:18:27,350 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:18:27,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:18:27,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:27,351 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:18:27,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:18:27,351 INFO L229 MonitoredProcess]: Starting monitored process 268 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:18:27,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (268)] Waiting until timeout for monitored process [2023-12-02 23:18:27,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:27,606 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:18:27,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:27,662 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:18:27,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:29,739 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:18:29,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (268)] Ended with exit code 0 [2023-12-02 23:18:29,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:29,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:18:29,753 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:18:29,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:18:29,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:29,753 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:18:29,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:18:29,754 INFO L229 MonitoredProcess]: Starting monitored process 269 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:18:29,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (269)] Waiting until timeout for monitored process [2023-12-02 23:18:30,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:30,025 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:18:30,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:30,083 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:18:30,084 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:31,851 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:18:31,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (269)] Ended with exit code 0 [2023-12-02 23:18:31,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:31,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:18:31,864 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:18:31,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:18:31,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:31,864 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:18:31,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:18:31,865 INFO L229 MonitoredProcess]: Starting monitored process 270 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:18:31,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (270)] Waiting until timeout for monitored process [2023-12-02 23:18:32,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:32,093 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:18:32,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:32,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:18:32,149 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:34,657 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:18:34,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (270)] Ended with exit code 0 [2023-12-02 23:18:34,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:34,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:18:34,667 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:18:34,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:18:34,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:34,667 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:18:34,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:18:34,668 INFO L229 MonitoredProcess]: Starting monitored process 271 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:18:34,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (271)] Waiting until timeout for monitored process [2023-12-02 23:18:34,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:34,937 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:18:34,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:34,988 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:18:34,989 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:38,010 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:18:38,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (271)] Ended with exit code 0 [2023-12-02 23:18:38,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:38,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:18:38,019 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:18:38,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:18:38,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:38,019 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:18:38,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:18:38,020 INFO L229 MonitoredProcess]: Starting monitored process 272 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:18:38,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (272)] Waiting until timeout for monitored process [2023-12-02 23:18:38,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:38,262 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:18:38,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:38,315 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:18:38,315 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:40,418 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:18:40,421 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (272)] Ended with exit code 0 [2023-12-02 23:18:40,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:40,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:18:40,428 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:18:40,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:18:40,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:40,428 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:18:40,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:18:40,429 INFO L229 MonitoredProcess]: Starting monitored process 273 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:18:40,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (273)] Waiting until timeout for monitored process [2023-12-02 23:18:40,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:40,687 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:18:40,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:40,742 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:18:40,743 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:42,761 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:18:42,764 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (273)] Ended with exit code 0 [2023-12-02 23:18:42,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:42,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:18:42,771 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:18:42,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:18:42,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:42,772 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:18:42,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:18:42,772 INFO L229 MonitoredProcess]: Starting monitored process 274 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:18:42,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (274)] Waiting until timeout for monitored process [2023-12-02 23:18:43,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:43,013 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:18:43,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:43,052 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:18:43,053 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:44,646 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:18:44,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (274)] Ended with exit code 0 [2023-12-02 23:18:44,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:44,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:18:44,657 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:18:44,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:18:44,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:44,657 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:18:44,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:18:44,658 INFO L229 MonitoredProcess]: Starting monitored process 275 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:18:44,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (275)] Waiting until timeout for monitored process [2023-12-02 23:18:44,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:44,901 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:18:44,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:44,962 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:18:44,963 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:46,726 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:18:46,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (275)] Ended with exit code 0 [2023-12-02 23:18:46,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:46,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:18:46,736 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:18:46,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:18:46,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:46,736 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:18:46,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:18:46,737 INFO L229 MonitoredProcess]: Starting monitored process 276 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:18:46,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (276)] Waiting until timeout for monitored process [2023-12-02 23:18:46,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:46,993 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:18:47,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:47,035 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:18:47,036 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:48,701 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:18:48,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (276)] Ended with exit code 0 [2023-12-02 23:18:48,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:48,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:18:48,710 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:18:48,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:18:48,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:48,710 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:18:48,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:18:48,711 INFO L229 MonitoredProcess]: Starting monitored process 277 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:18:48,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (277)] Waiting until timeout for monitored process [2023-12-02 23:18:48,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:48,963 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:18:49,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:49,022 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 23:18:49,023 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:51,408 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-02 23:18:51,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (277)] Forceful destruction successful, exit code 0 [2023-12-02 23:18:51,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:51,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:18:51,445 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:18:51,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:18:51,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:51,445 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:18:51,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:18:51,446 INFO L229 MonitoredProcess]: Starting monitored process 278 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:18:51,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (278)] Waiting until timeout for monitored process [2023-12-02 23:18:51,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:51,685 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:18:51,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:51,739 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:18:51,740 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:55,994 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:18:55,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (278)] Ended with exit code 0 [2023-12-02 23:18:56,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:56,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:18:56,045 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:18:56,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:18:56,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:56,045 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:18:56,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:18:56,046 INFO L229 MonitoredProcess]: Starting monitored process 279 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:18:56,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (279)] Waiting until timeout for monitored process [2023-12-02 23:18:56,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:56,312 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:18:56,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:56,363 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:18:56,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:58,108 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:18:58,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (279)] Ended with exit code 0 [2023-12-02 23:18:58,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:58,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:18:58,117 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:18:58,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:18:58,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:58,118 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:18:58,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:18:58,118 INFO L229 MonitoredProcess]: Starting monitored process 280 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:18:58,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (280)] Waiting until timeout for monitored process [2023-12-02 23:18:58,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:58,360 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:18:58,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:58,400 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:18:58,401 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:00,495 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:19:00,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (280)] Ended with exit code 0 [2023-12-02 23:19:00,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:00,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:19:00,538 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:19:00,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:19:00,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:00,538 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:00,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:19:00,539 INFO L229 MonitoredProcess]: Starting monitored process 281 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:19:00,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (281)] Waiting until timeout for monitored process [2023-12-02 23:19:00,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:00,771 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:19:00,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:00,819 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:19:00,820 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:02,657 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:19:02,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (281)] Forceful destruction successful, exit code 0 [2023-12-02 23:19:02,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:02,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:19:02,701 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:19:02,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:19:02,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:02,701 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:02,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:19:02,702 INFO L229 MonitoredProcess]: Starting monitored process 282 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:19:02,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (282)] Waiting until timeout for monitored process [2023-12-02 23:19:02,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:02,956 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:19:03,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:03,013 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:19:03,014 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:04,731 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:19:04,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (282)] Ended with exit code 0 [2023-12-02 23:19:04,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:04,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:19:04,740 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:19:04,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:19:04,740 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:04,741 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:04,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:19:04,741 INFO L229 MonitoredProcess]: Starting monitored process 283 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:19:04,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (283)] Waiting until timeout for monitored process [2023-12-02 23:19:04,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:04,986 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:19:05,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:05,042 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:19:05,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:06,915 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:19:06,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (283)] Ended with exit code 0 [2023-12-02 23:19:06,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:06,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:19:06,963 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:19:06,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:19:06,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:06,964 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:06,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:19:06,964 INFO L229 MonitoredProcess]: Starting monitored process 284 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:19:06,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (284)] Waiting until timeout for monitored process [2023-12-02 23:19:07,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:07,205 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:19:07,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:07,249 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:19:07,250 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:09,672 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:19:09,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (284)] Ended with exit code 0 [2023-12-02 23:19:09,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:09,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:19:09,681 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:19:09,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:19:09,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:09,682 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:09,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:19:09,682 INFO L229 MonitoredProcess]: Starting monitored process 285 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:19:09,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (285)] Waiting until timeout for monitored process [2023-12-02 23:19:09,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:09,922 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:19:09,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:09,966 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:19:09,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:11,685 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:19:11,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (285)] Ended with exit code 0 [2023-12-02 23:19:11,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:11,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:19:11,694 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:19:11,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:19:11,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:11,695 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:11,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:19:11,695 INFO L229 MonitoredProcess]: Starting monitored process 286 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:19:11,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (286)] Waiting until timeout for monitored process [2023-12-02 23:19:11,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:11,929 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:19:11,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:11,966 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:19:11,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:14,453 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:19:14,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (286)] Forceful destruction successful, exit code 0 [2023-12-02 23:19:14,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:14,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:19:14,462 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:19:14,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:19:14,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:14,462 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:14,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:19:14,463 INFO L229 MonitoredProcess]: Starting monitored process 287 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:19:14,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (287)] Waiting until timeout for monitored process [2023-12-02 23:19:14,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:14,720 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:19:14,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:14,765 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:19:14,766 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:17,023 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:19:17,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (287)] Ended with exit code 0 [2023-12-02 23:19:17,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:17,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:19:17,032 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:19:17,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:19:17,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:17,032 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:17,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:19:17,033 INFO L229 MonitoredProcess]: Starting monitored process 288 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:19:17,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (288)] Waiting until timeout for monitored process [2023-12-02 23:19:17,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:17,283 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:19:17,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:17,328 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:19:17,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:19,413 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:19:19,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (288)] Ended with exit code 0 [2023-12-02 23:19:19,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:19,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:19:19,422 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:19:19,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:19:19,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:19,422 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:19,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:19:19,423 INFO L229 MonitoredProcess]: Starting monitored process 289 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:19:19,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (289)] Waiting until timeout for monitored process [2023-12-02 23:19:19,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:19,674 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:19:19,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:19,715 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:19:19,716 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:21,576 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:19:21,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (289)] Ended with exit code 0 [2023-12-02 23:19:21,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:21,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:19:21,587 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:19:21,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:19:21,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:21,587 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:21,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:19:21,588 INFO L229 MonitoredProcess]: Starting monitored process 290 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:19:21,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (290)] Waiting until timeout for monitored process [2023-12-02 23:19:21,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:21,842 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:19:21,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:21,880 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:19:21,881 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:23,511 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:19:23,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (290)] Ended with exit code 0 [2023-12-02 23:19:23,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:23,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:19:23,555 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:19:23,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:19:23,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:23,555 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:23,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:19:23,556 INFO L229 MonitoredProcess]: Starting monitored process 291 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:19:23,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (291)] Waiting until timeout for monitored process [2023-12-02 23:19:23,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:23,799 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:19:23,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:23,855 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:19:23,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:25,853 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:19:25,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (291)] Ended with exit code 0 [2023-12-02 23:19:25,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:25,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:19:25,863 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:19:25,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:19:25,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:25,864 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:25,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:19:25,864 INFO L229 MonitoredProcess]: Starting monitored process 292 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:19:25,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (292)] Waiting until timeout for monitored process [2023-12-02 23:19:26,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:26,140 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:19:26,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:26,188 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:19:26,189 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:28,141 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:19:28,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (292)] Ended with exit code 0 [2023-12-02 23:19:28,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:28,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:19:28,191 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:19:28,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:19:28,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:28,191 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:28,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:19:28,192 INFO L229 MonitoredProcess]: Starting monitored process 293 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:19:28,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (293)] Waiting until timeout for monitored process [2023-12-02 23:19:28,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:28,430 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:19:28,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:28,479 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:19:28,480 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:30,153 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:19:30,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (293)] Ended with exit code 0 [2023-12-02 23:19:30,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:30,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:19:30,197 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:19:30,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:19:30,197 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:30,197 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:30,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:19:30,198 INFO L229 MonitoredProcess]: Starting monitored process 294 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:19:30,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (294)] Waiting until timeout for monitored process [2023-12-02 23:19:30,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:30,449 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:19:30,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:30,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:19:30,494 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:32,397 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:19:32,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (294)] Ended with exit code 0 [2023-12-02 23:19:32,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:32,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:19:32,406 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:19:32,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:19:32,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:32,406 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:32,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:19:32,407 INFO L229 MonitoredProcess]: Starting monitored process 295 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:19:32,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (295)] Waiting until timeout for monitored process [2023-12-02 23:19:32,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:32,680 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:19:32,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:32,722 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:19:32,723 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:34,593 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:19:34,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (295)] Ended with exit code 0 [2023-12-02 23:19:34,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:34,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:19:34,602 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:19:34,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:19:34,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:34,603 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:34,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:19:34,604 INFO L229 MonitoredProcess]: Starting monitored process 296 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:19:34,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (296)] Waiting until timeout for monitored process [2023-12-02 23:19:34,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:34,854 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:19:34,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:34,898 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:19:34,899 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:36,804 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:19:36,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (296)] Ended with exit code 0 [2023-12-02 23:19:36,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:36,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:19:36,814 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:19:36,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:19:36,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:36,814 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:36,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:19:36,815 INFO L229 MonitoredProcess]: Starting monitored process 297 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:19:36,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (297)] Waiting until timeout for monitored process [2023-12-02 23:19:37,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:37,086 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:19:37,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:37,132 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:19:37,133 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:39,092 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:19:39,095 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (297)] Ended with exit code 0 [2023-12-02 23:19:39,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:39,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:19:39,104 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:19:39,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:19:39,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:39,104 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:39,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:19:39,105 INFO L229 MonitoredProcess]: Starting monitored process 298 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:19:39,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (298)] Waiting until timeout for monitored process [2023-12-02 23:19:39,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:39,347 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:19:39,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:39,397 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 23:19:39,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:41,164 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-02 23:19:41,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (298)] Ended with exit code 0 [2023-12-02 23:19:41,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:41,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:19:41,198 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:19:41,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:19:41,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:41,198 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:41,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:19:41,199 INFO L229 MonitoredProcess]: Starting monitored process 299 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:19:41,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (299)] Waiting until timeout for monitored process [2023-12-02 23:19:41,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:41,471 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:19:41,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:41,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:19:41,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:43,412 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:19:43,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (299)] Forceful destruction successful, exit code 0 [2023-12-02 23:19:43,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:43,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:19:43,422 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:19:43,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:19:43,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:43,422 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:43,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:19:43,423 INFO L229 MonitoredProcess]: Starting monitored process 300 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:19:43,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (300)] Waiting until timeout for monitored process [2023-12-02 23:19:43,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:43,695 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:19:43,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:43,741 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 23:19:43,742 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:46,173 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-02 23:19:46,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (300)] Ended with exit code 0 [2023-12-02 23:19:46,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:46,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:19:46,205 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:19:46,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:19:46,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:46,205 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:46,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:19:46,206 INFO L229 MonitoredProcess]: Starting monitored process 301 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:19:46,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (301)] Waiting until timeout for monitored process [2023-12-02 23:19:46,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:46,477 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:19:46,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:46,534 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:19:46,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:48,985 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:19:48,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (301)] Ended with exit code 0 [2023-12-02 23:19:48,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:48,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:19:48,995 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:19:48,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:19:48,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:48,995 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:48,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:19:48,996 INFO L229 MonitoredProcess]: Starting monitored process 302 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:19:48,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (302)] Waiting until timeout for monitored process [2023-12-02 23:19:49,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:49,273 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:19:49,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:49,311 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:19:49,312 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:51,323 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:19:51,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (302)] Ended with exit code 0 [2023-12-02 23:19:51,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:51,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:19:51,332 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:19:51,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:19:51,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:51,332 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:51,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:19:51,333 INFO L229 MonitoredProcess]: Starting monitored process 303 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:19:51,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (303)] Waiting until timeout for monitored process [2023-12-02 23:19:51,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:51,578 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:19:51,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:51,630 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:19:51,631 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:53,283 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:19:53,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (303)] Ended with exit code 0 [2023-12-02 23:19:53,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:53,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:19:53,292 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:19:53,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:19:53,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:53,293 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:53,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:19:53,293 INFO L229 MonitoredProcess]: Starting monitored process 304 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:19:53,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (304)] Waiting until timeout for monitored process [2023-12-02 23:19:53,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:53,538 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:19:53,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:53,580 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:19:53,581 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:55,457 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:19:55,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (304)] Ended with exit code 0 [2023-12-02 23:19:55,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:55,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:19:55,507 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:19:55,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:19:55,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:55,508 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:55,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:19:55,509 INFO L229 MonitoredProcess]: Starting monitored process 305 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:19:55,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (305)] Waiting until timeout for monitored process [2023-12-02 23:19:55,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:55,773 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:19:55,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:55,819 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 23:19:55,820 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:58,214 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-02 23:19:58,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (305)] Forceful destruction successful, exit code 0 [2023-12-02 23:19:58,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:58,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:19:58,251 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:19:58,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:19:58,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:58,251 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:58,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:19:58,252 INFO L229 MonitoredProcess]: Starting monitored process 306 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:19:58,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (306)] Waiting until timeout for monitored process [2023-12-02 23:19:58,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:58,520 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:19:58,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:58,568 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:19:58,569 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:20:00,209 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:20:00,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (306)] Ended with exit code 0 [2023-12-02 23:20:00,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:00,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:20:00,218 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:20:00,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:20:00,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:00,218 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:20:00,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:20:00,219 INFO L229 MonitoredProcess]: Starting monitored process 307 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:20:00,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (307)] Waiting until timeout for monitored process [2023-12-02 23:20:00,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:00,448 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:20:00,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:00,501 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:20:00,502 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:20:02,929 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:20:02,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (307)] Ended with exit code 0 [2023-12-02 23:20:02,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:02,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:20:02,979 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:20:02,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:20:02,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:02,979 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:20:02,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:20:02,980 INFO L229 MonitoredProcess]: Starting monitored process 308 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:20:02,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (308)] Waiting until timeout for monitored process [2023-12-02 23:20:03,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:03,252 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:20:03,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:03,297 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:20:03,298 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:20:05,119 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:20:05,121 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (308)] Forceful destruction successful, exit code 0 [2023-12-02 23:20:05,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:05,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:20:05,130 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:20:05,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:20:05,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:05,131 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:20:05,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:20:05,132 INFO L229 MonitoredProcess]: Starting monitored process 309 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:20:05,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (309)] Waiting until timeout for monitored process [2023-12-02 23:20:05,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:05,369 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:20:05,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:05,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 23:20:05,417 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:20:08,122 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-02 23:20:08,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (309)] Ended with exit code 0 [2023-12-02 23:20:08,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:08,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:20:08,158 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:20:08,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:20:08,158 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:08,158 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:20:08,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:20:08,159 INFO L229 MonitoredProcess]: Starting monitored process 310 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:20:08,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (310)] Waiting until timeout for monitored process [2023-12-02 23:20:08,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:08,420 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:20:08,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:08,463 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:20:08,464 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:20:12,026 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:20:12,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (310)] Ended with exit code 0 [2023-12-02 23:20:12,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:12,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:20:12,078 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:20:12,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:20:12,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:12,078 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:20:12,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:20:12,079 INFO L229 MonitoredProcess]: Starting monitored process 311 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:20:12,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (311)] Waiting until timeout for monitored process [2023-12-02 23:20:12,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:12,348 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:20:12,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:12,415 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:20:12,416 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:20:15,390 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:20:15,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (311)] Ended with exit code 0 [2023-12-02 23:20:15,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:15,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:20:15,403 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:20:15,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:20:15,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:15,403 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:20:15,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:20:15,404 INFO L229 MonitoredProcess]: Starting monitored process 312 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:20:15,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (312)] Waiting until timeout for monitored process [2023-12-02 23:20:15,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:15,670 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:20:15,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:15,717 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:20:15,718 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:20:18,108 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:20:18,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (312)] Ended with exit code 0 [2023-12-02 23:20:18,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:18,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:20:18,158 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:20:18,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:20:18,158 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:18,158 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:20:18,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:20:18,159 INFO L229 MonitoredProcess]: Starting monitored process 313 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:20:18,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (313)] Waiting until timeout for monitored process [2023-12-02 23:20:18,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:18,419 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:20:18,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:18,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:20:18,466 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:20:20,350 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:20:20,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (313)] Ended with exit code 0 [2023-12-02 23:20:20,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:20,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:20:20,402 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:20:20,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:20:20,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:20,402 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:20:20,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:20:20,403 INFO L229 MonitoredProcess]: Starting monitored process 314 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:20:20,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (314)] Waiting until timeout for monitored process [2023-12-02 23:20:20,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:20,669 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:20:20,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:20,715 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:20:20,716 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:20:23,640 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:20:23,643 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (314)] Ended with exit code 0 [2023-12-02 23:20:23,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:23,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:20:23,693 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:20:23,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:20:23,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:23,694 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:20:23,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:20:23,695 INFO L229 MonitoredProcess]: Starting monitored process 315 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:20:23,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (315)] Waiting until timeout for monitored process [2023-12-02 23:20:23,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:23,975 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:20:24,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:24,054 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:20:24,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:20:25,851 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:20:25,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (315)] Ended with exit code 0 [2023-12-02 23:20:25,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:25,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:20:25,864 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:20:25,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:20:25,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:25,864 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:20:25,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:20:25,865 INFO L229 MonitoredProcess]: Starting monitored process 316 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:20:25,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (316)] Waiting until timeout for monitored process [2023-12-02 23:20:26,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:26,133 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:20:26,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:26,181 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:20:26,182 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:20:28,050 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:20:28,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (316)] Forceful destruction successful, exit code 0 [2023-12-02 23:20:28,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:28,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:20:28,100 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:20:28,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:20:28,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:28,100 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:20:28,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:20:28,101 INFO L229 MonitoredProcess]: Starting monitored process 317 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:20:28,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (317)] Waiting until timeout for monitored process [2023-12-02 23:20:28,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:28,362 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:20:28,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:28,420 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:20:28,421 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:20:30,483 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:20:30,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (317)] Ended with exit code 0 [2023-12-02 23:20:30,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:30,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:20:30,497 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:20:30,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:20:30,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:30,497 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:20:30,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:20:30,498 INFO L229 MonitoredProcess]: Starting monitored process 318 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:20:30,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (318)] Waiting until timeout for monitored process [2023-12-02 23:20:30,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:30,767 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:20:30,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:30,819 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:20:30,820 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:20:32,647 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:20:32,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (318)] Ended with exit code 0 [2023-12-02 23:20:32,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:32,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:20:32,657 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:20:32,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:20:32,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:32,657 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:20:32,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:20:32,658 INFO L229 MonitoredProcess]: Starting monitored process 319 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:20:32,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (319)] Waiting until timeout for monitored process [2023-12-02 23:20:32,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:32,928 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:20:32,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:32,980 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:20:32,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:20:36,009 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:20:36,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (319)] Ended with exit code 0 [2023-12-02 23:20:36,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:36,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:20:36,018 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:20:36,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:20:36,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:36,018 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:20:36,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:20:36,019 INFO L229 MonitoredProcess]: Starting monitored process 320 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:20:36,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (320)] Waiting until timeout for monitored process [2023-12-02 23:20:36,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:36,282 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:20:36,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:36,329 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:20:36,330 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:20:38,084 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:20:38,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (320)] Ended with exit code 0 [2023-12-02 23:20:38,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:38,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:20:38,093 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:20:38,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:20:38,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:38,093 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:20:38,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:20:38,094 INFO L229 MonitoredProcess]: Starting monitored process 321 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:20:38,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (321)] Waiting until timeout for monitored process [2023-12-02 23:20:38,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:38,342 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:20:38,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:38,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 23:20:38,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:20:40,335 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-02 23:20:40,338 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (321)] Forceful destruction successful, exit code 0 [2023-12-02 23:20:40,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:40,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:20:40,371 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:20:40,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:20:40,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:40,371 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:20:40,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:20:40,372 INFO L229 MonitoredProcess]: Starting monitored process 322 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:20:40,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (322)] Waiting until timeout for monitored process [2023-12-02 23:20:40,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:40,630 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:20:40,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:40,675 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:20:40,676 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:20:42,630 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:20:42,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (322)] Ended with exit code 0 [2023-12-02 23:20:42,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:42,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:20:42,647 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:20:42,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:20:42,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:42,647 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:20:42,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:20:42,648 INFO L229 MonitoredProcess]: Starting monitored process 323 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:20:42,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (323)] Waiting until timeout for monitored process [2023-12-02 23:20:42,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:42,906 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:20:42,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:42,953 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 23:20:42,954 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:20:45,028 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-02 23:20:45,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (323)] Ended with exit code 0 [2023-12-02 23:20:45,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:45,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:20:45,067 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:20:45,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:20:45,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:45,067 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:20:45,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:20:45,068 INFO L229 MonitoredProcess]: Starting monitored process 324 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:20:45,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (324)] Waiting until timeout for monitored process [2023-12-02 23:20:45,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:45,320 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:20:45,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:45,364 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:20:45,365 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:20:47,207 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:20:47,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (324)] Ended with exit code 0 [2023-12-02 23:20:47,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:47,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:20:47,219 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:20:47,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:20:47,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:47,219 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:20:47,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:20:47,220 INFO L229 MonitoredProcess]: Starting monitored process 325 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:20:47,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (325)] Waiting until timeout for monitored process [2023-12-02 23:20:47,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:47,487 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:20:47,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:47,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:20:47,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:20:49,298 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:20:49,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (325)] Ended with exit code 0 [2023-12-02 23:20:49,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:49,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:20:49,309 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:20:49,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:20:49,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:49,310 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:20:49,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:20:49,310 INFO L229 MonitoredProcess]: Starting monitored process 326 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:20:49,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (326)] Waiting until timeout for monitored process [2023-12-02 23:20:49,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:49,576 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:20:49,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:49,633 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 23:20:49,634 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:20:53,324 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-02 23:20:53,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (326)] Ended with exit code 0 [2023-12-02 23:20:53,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:53,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:20:53,361 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:20:53,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:20:53,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:53,361 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:20:53,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:20:53,362 INFO L229 MonitoredProcess]: Starting monitored process 327 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:20:53,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (327)] Waiting until timeout for monitored process [2023-12-02 23:20:53,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:53,612 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:20:53,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:53,657 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:20:53,658 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:20:55,805 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:20:55,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (327)] Ended with exit code 0 [2023-12-02 23:20:55,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:55,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:20:55,851 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:20:55,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:20:55,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:55,851 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:20:55,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:20:55,852 INFO L229 MonitoredProcess]: Starting monitored process 328 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:20:55,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (328)] Waiting until timeout for monitored process [2023-12-02 23:20:56,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:56,100 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:20:56,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:56,159 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:20:56,160 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:20:58,511 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:20:58,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (328)] Ended with exit code 0 [2023-12-02 23:20:58,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:58,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:20:58,560 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:20:58,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:20:58,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:58,561 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:20:58,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:20:58,562 INFO L229 MonitoredProcess]: Starting monitored process 329 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:20:58,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (329)] Waiting until timeout for monitored process [2023-12-02 23:20:58,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:58,799 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:20:58,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:58,856 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:20:58,857 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:21:00,990 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:21:00,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (329)] Ended with exit code 0 [2023-12-02 23:21:01,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:21:01,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:21:01,034 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:21:01,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:21:01,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:21:01,034 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:21:01,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:21:01,035 INFO L229 MonitoredProcess]: Starting monitored process 330 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:21:01,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (330)] Waiting until timeout for monitored process [2023-12-02 23:21:01,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:01,274 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:21:01,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:01,329 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:21:01,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:21:03,336 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:21:03,339 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (330)] Ended with exit code 0 [2023-12-02 23:21:03,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:21:03,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:21:03,346 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:21:03,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:21:03,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:21:03,346 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:21:03,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:21:03,347 INFO L229 MonitoredProcess]: Starting monitored process 331 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:21:03,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (331)] Waiting until timeout for monitored process [2023-12-02 23:21:03,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:03,587 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:21:03,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:03,645 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:21:03,646 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:21:05,292 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:21:05,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (331)] Ended with exit code 0 [2023-12-02 23:21:05,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:21:05,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:21:05,306 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:21:05,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:21:05,306 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:21:05,307 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:21:05,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:21:05,307 INFO L229 MonitoredProcess]: Starting monitored process 332 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:21:05,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (332)] Waiting until timeout for monitored process [2023-12-02 23:21:05,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:05,555 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:21:05,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:05,597 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:21:05,599 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:21:07,273 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:21:07,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (332)] Ended with exit code 0 [2023-12-02 23:21:07,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:21:07,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:21:07,283 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:21:07,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:21:07,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:21:07,283 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:21:07,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:21:07,284 INFO L229 MonitoredProcess]: Starting monitored process 333 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:21:07,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (333)] Waiting until timeout for monitored process [2023-12-02 23:21:07,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:07,524 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:21:07,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:07,579 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:21:07,580 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:21:10,089 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:21:10,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (333)] Ended with exit code 0 [2023-12-02 23:21:10,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:21:10,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:21:10,098 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:21:10,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:21:10,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:21:10,099 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:21:10,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:21:10,099 INFO L229 MonitoredProcess]: Starting monitored process 334 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:21:10,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (334)] Waiting until timeout for monitored process [2023-12-02 23:21:10,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:10,351 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:21:10,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:10,400 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 23:21:10,401 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:21:12,238 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-02 23:21:12,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (334)] Ended with exit code 0 [2023-12-02 23:21:12,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:21:12,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:21:12,271 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:21:12,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:21:12,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:21:12,272 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:21:12,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:21:12,272 INFO L229 MonitoredProcess]: Starting monitored process 335 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:21:12,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (335)] Waiting until timeout for monitored process [2023-12-02 23:21:12,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:12,521 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:21:12,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:12,561 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:21:12,562 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:21:15,081 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:21:15,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (335)] Forceful destruction successful, exit code 0 [2023-12-02 23:21:15,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:21:15,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:21:15,091 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:21:15,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:21:15,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:21:15,091 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:21:15,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:21:15,092 INFO L229 MonitoredProcess]: Starting monitored process 336 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:21:15,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (336)] Waiting until timeout for monitored process [2023-12-02 23:21:15,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:15,344 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:21:15,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:15,391 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:21:15,391 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:21:17,200 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:21:17,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (336)] Ended with exit code 0 [2023-12-02 23:21:17,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:21:17,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:21:17,210 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:21:17,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:21:17,211 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:21:17,211 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:21:17,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:21:17,211 INFO L229 MonitoredProcess]: Starting monitored process 337 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:21:17,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (337)] Waiting until timeout for monitored process [2023-12-02 23:21:17,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:17,453 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:21:17,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:17,502 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:21:17,503 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:21:19,332 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:21:19,334 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (337)] Ended with exit code 0 [2023-12-02 23:21:19,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:21:19,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:21:19,341 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:21:19,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:21:19,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:21:19,341 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:21:19,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:21:19,342 INFO L229 MonitoredProcess]: Starting monitored process 338 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:21:19,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (338)] Waiting until timeout for monitored process [2023-12-02 23:21:19,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:19,590 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:21:19,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:19,638 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:21:19,639 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:21:21,704 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:21:21,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (338)] Ended with exit code 0 [2023-12-02 23:21:21,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:21:21,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:21:21,713 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:21:21,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:21:21,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:21:21,713 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:21:21,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:21:21,714 INFO L229 MonitoredProcess]: Starting monitored process 339 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:21:21,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (339)] Waiting until timeout for monitored process [2023-12-02 23:21:21,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:21,976 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:21:22,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:22,037 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 23:21:22,038 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:21:26,446 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-02 23:21:26,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (339)] Ended with exit code 0 [2023-12-02 23:21:26,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:21:26,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:21:26,486 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:21:26,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:21:26,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:21:26,486 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:21:26,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:21:26,487 INFO L229 MonitoredProcess]: Starting monitored process 340 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:21:26,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (340)] Waiting until timeout for monitored process [2023-12-02 23:21:26,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:26,740 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:21:26,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:26,779 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 23:21:26,780 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:21:28,789 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-02 23:21:28,792 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (340)] Ended with exit code 0 [2023-12-02 23:21:28,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:21:28,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:21:28,827 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:21:28,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:21:28,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:21:28,828 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:21:28,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:21:28,828 INFO L229 MonitoredProcess]: Starting monitored process 341 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:21:28,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (341)] Waiting until timeout for monitored process [2023-12-02 23:21:29,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:29,069 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:21:29,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:29,127 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:21:29,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:21:30,829 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:21:30,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (341)] Ended with exit code 0 [2023-12-02 23:21:30,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:21:30,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:21:30,839 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:21:30,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:21:30,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:21:30,839 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:21:30,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:21:30,840 INFO L229 MonitoredProcess]: Starting monitored process 342 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:21:30,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (342)] Waiting until timeout for monitored process [2023-12-02 23:21:31,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:31,082 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:21:31,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:31,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:21:31,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:21:32,846 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:21:32,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (342)] Ended with exit code 0 [2023-12-02 23:21:32,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:21:32,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:21:32,855 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:21:32,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:21:32,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:21:32,855 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:21:32,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:21:32,856 INFO L229 MonitoredProcess]: Starting monitored process 343 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:21:32,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (343)] Waiting until timeout for monitored process [2023-12-02 23:21:33,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:33,108 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:21:33,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:33,151 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:21:33,152 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:21:35,146 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:21:35,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (343)] Ended with exit code 0 [2023-12-02 23:21:35,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:21:35,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:21:35,155 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:21:35,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:21:35,155 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:21:35,155 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:21:35,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:21:35,156 INFO L229 MonitoredProcess]: Starting monitored process 344 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:21:35,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (344)] Waiting until timeout for monitored process [2023-12-02 23:21:35,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:35,393 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:21:35,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:35,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:21:35,446 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:21:37,277 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:21:37,280 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (344)] Ended with exit code 0 [2023-12-02 23:21:37,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:21:37,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:21:37,286 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:21:37,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:21:37,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:21:37,287 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:21:37,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:21:37,288 INFO L229 MonitoredProcess]: Starting monitored process 345 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:21:37,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (345)] Waiting until timeout for monitored process [2023-12-02 23:21:37,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:37,529 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:21:37,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:37,577 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:21:37,578 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:21:39,303 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:21:39,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (345)] Ended with exit code 0 [2023-12-02 23:21:39,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:21:39,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:21:39,313 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:21:39,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:21:39,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:21:39,313 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:21:39,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:21:39,314 INFO L229 MonitoredProcess]: Starting monitored process 346 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:21:39,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (346)] Waiting until timeout for monitored process [2023-12-02 23:21:39,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:39,557 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:21:39,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:39,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:21:39,602 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:21:43,181 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:21:43,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (346)] Ended with exit code 0 [2023-12-02 23:21:43,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:21:43,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:21:43,195 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:21:43,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:21:43,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:21:43,195 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:21:43,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:21:43,196 INFO L229 MonitoredProcess]: Starting monitored process 347 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:21:43,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (347)] Waiting until timeout for monitored process [2023-12-02 23:21:43,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:43,457 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:21:43,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:43,502 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:21:43,503 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:21:45,419 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:21:45,421 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (347)] Ended with exit code 0 [2023-12-02 23:21:45,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:21:45,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:21:45,428 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:21:45,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:21:45,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:21:45,428 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:21:45,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:21:45,429 INFO L229 MonitoredProcess]: Starting monitored process 348 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:21:45,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (348)] Waiting until timeout for monitored process [2023-12-02 23:21:45,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:45,676 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:21:45,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:45,720 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:21:45,721 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:21:48,181 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:21:48,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (348)] Ended with exit code 0 [2023-12-02 23:21:48,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:21:48,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:21:48,190 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:21:48,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:21:48,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:21:48,190 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:21:48,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:21:48,191 INFO L229 MonitoredProcess]: Starting monitored process 349 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:21:48,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (349)] Waiting until timeout for monitored process [2023-12-02 23:21:48,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:48,426 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:21:48,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:48,473 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:21:48,474 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:21:50,655 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:21:50,658 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (349)] Ended with exit code 0 [2023-12-02 23:21:50,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:21:50,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:21:50,672 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:21:50,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:21:50,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:21:50,673 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:21:50,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:21:50,673 INFO L229 MonitoredProcess]: Starting monitored process 350 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:21:50,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (350)] Waiting until timeout for monitored process [2023-12-02 23:21:50,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:50,921 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:21:50,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:50,972 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:21:50,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:21:53,597 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:21:53,600 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (350)] Forceful destruction successful, exit code 0 [2023-12-02 23:21:53,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:21:53,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:21:53,610 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:21:53,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:21:53,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:21:53,610 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:21:53,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:21:53,611 INFO L229 MonitoredProcess]: Starting monitored process 351 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:21:53,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (351)] Waiting until timeout for monitored process [2023-12-02 23:21:53,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:53,853 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:21:53,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:53,889 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:21:53,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:21:55,525 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:21:55,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (351)] Ended with exit code 0 [2023-12-02 23:21:55,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:21:55,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:21:55,539 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:21:55,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:21:55,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:21:55,539 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:21:55,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:21:55,540 INFO L229 MonitoredProcess]: Starting monitored process 352 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:21:55,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (352)] Waiting until timeout for monitored process [2023-12-02 23:21:55,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:55,803 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:21:55,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:55,858 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:21:55,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:21:58,698 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:21:58,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (352)] Ended with exit code 0 [2023-12-02 23:21:58,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:21:58,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:21:58,711 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:21:58,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:21:58,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:21:58,711 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:21:58,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:21:58,712 INFO L229 MonitoredProcess]: Starting monitored process 353 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:21:58,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (353)] Waiting until timeout for monitored process [2023-12-02 23:21:58,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:58,969 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:21:59,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:59,022 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:21:59,023 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:22:00,738 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:22:00,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (353)] Ended with exit code 0 [2023-12-02 23:22:00,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:00,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:22:00,751 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:22:00,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:22:00,752 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:00,752 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:22:00,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:22:00,752 INFO L229 MonitoredProcess]: Starting monitored process 354 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:22:00,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (354)] Waiting until timeout for monitored process [2023-12-02 23:22:01,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:01,004 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:22:01,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:01,044 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:22:01,045 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:22:02,926 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:22:02,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (354)] Ended with exit code 0 [2023-12-02 23:22:02,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:02,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:22:02,939 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:22:02,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:22:02,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:02,940 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:22:02,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:22:02,940 INFO L229 MonitoredProcess]: Starting monitored process 355 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:22:02,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (355)] Waiting until timeout for monitored process [2023-12-02 23:22:03,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:03,197 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:22:03,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:03,244 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:22:03,245 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:22:05,605 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:22:05,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (355)] Ended with exit code 0 [2023-12-02 23:22:05,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:05,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:22:05,617 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:22:05,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:22:05,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:05,617 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:22:05,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:22:05,618 INFO L229 MonitoredProcess]: Starting monitored process 356 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:22:05,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (356)] Waiting until timeout for monitored process [2023-12-02 23:22:05,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:05,861 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:22:05,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:05,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:22:05,899 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:22:08,279 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:22:08,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (356)] Ended with exit code 0 [2023-12-02 23:22:08,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:08,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:22:08,290 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:22:08,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:22:08,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:08,291 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:22:08,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:22:08,292 INFO L229 MonitoredProcess]: Starting monitored process 357 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:22:08,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (357)] Waiting until timeout for monitored process [2023-12-02 23:22:08,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:08,533 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:22:08,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:08,576 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:22:08,577 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:22:10,790 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:22:10,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (357)] Ended with exit code 0 [2023-12-02 23:22:10,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:10,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:22:10,802 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:22:10,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:22:10,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:10,802 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:22:10,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:22:10,803 INFO L229 MonitoredProcess]: Starting monitored process 358 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:22:10,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (358)] Waiting until timeout for monitored process [2023-12-02 23:22:11,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:11,055 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:22:11,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:11,108 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:22:11,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:22:13,098 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:22:13,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (358)] Ended with exit code 0 [2023-12-02 23:22:13,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:13,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:22:13,110 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:22:13,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:22:13,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:13,110 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:22:13,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:22:13,111 INFO L229 MonitoredProcess]: Starting monitored process 359 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:22:13,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (359)] Waiting until timeout for monitored process [2023-12-02 23:22:13,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:13,363 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:22:13,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:13,404 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:22:13,405 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:22:15,272 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:22:15,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (359)] Ended with exit code 0 [2023-12-02 23:22:15,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:15,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:22:15,285 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:22:15,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:22:15,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:15,285 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:22:15,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:22:15,286 INFO L229 MonitoredProcess]: Starting monitored process 360 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:22:15,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (360)] Waiting until timeout for monitored process [2023-12-02 23:22:15,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:15,543 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:22:15,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:15,596 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 23:22:15,597 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:22:17,544 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-02 23:22:17,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (360)] Ended with exit code 0 [2023-12-02 23:22:17,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:17,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:22:17,581 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:22:17,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:22:17,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:17,581 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:22:17,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:22:17,582 INFO L229 MonitoredProcess]: Starting monitored process 361 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:22:17,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (361)] Waiting until timeout for monitored process [2023-12-02 23:22:17,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:17,831 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:22:17,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:17,876 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:22:17,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:22:19,830 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:22:19,832 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (361)] Ended with exit code 0 [2023-12-02 23:22:19,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:19,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:22:19,841 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:22:19,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:22:19,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:19,842 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:22:19,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:22:19,842 INFO L229 MonitoredProcess]: Starting monitored process 362 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:22:19,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (362)] Waiting until timeout for monitored process [2023-12-02 23:22:20,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:20,094 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:22:20,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:20,146 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:22:20,147 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:22:22,184 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:22:22,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (362)] Ended with exit code 0 [2023-12-02 23:22:22,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:22,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:22:22,196 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:22:22,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:22:22,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:22,196 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:22:22,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:22:22,197 INFO L229 MonitoredProcess]: Starting monitored process 363 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:22:22,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (363)] Waiting until timeout for monitored process [2023-12-02 23:22:22,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:22,456 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:22:22,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:22,502 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:22:22,503 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:22:24,294 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-12-02 23:22:24,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (363)] Ended with exit code 0 [2023-12-02 23:22:24,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:24,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 67 states and 162 transitions. [2023-12-02 23:22:24,306 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 162 transitions. [2023-12-02 23:22:24,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:22:24,306 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:24,306 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:22:24,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:22:24,307 INFO L229 MonitoredProcess]: Starting monitored process 364 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:22:24,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9461ad23-ad68-4a88-8da9-6edef99a8071/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (364)] Waiting until timeout for monitored process [2023-12-02 23:22:24,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:24,554 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:22:24,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:24,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:22:24,611 INFO L285 TraceCheckSpWp]: Computing forward predicates...