./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-15.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/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_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-15.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/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_82f7a603-e64f-4caf-b15b-9101bc702518/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 184fccc72b69c7eb23b9d3b6c6b06a51b6f3ae888fa77cf8167b62023a6f2308 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:42:07,230 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:42:07,305 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 22:42:07,310 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:42:07,311 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:42:07,336 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:42:07,337 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:42:07,338 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:42:07,339 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:42:07,339 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:42:07,340 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:42:07,341 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:42:07,341 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:42:07,342 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:42:07,342 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:42:07,343 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:42:07,344 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:42:07,344 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:42:07,345 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:42:07,345 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:42:07,346 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:42:07,347 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:42:07,348 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:42:07,348 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:42:07,349 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:42:07,349 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:42:07,350 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:42:07,350 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:42:07,351 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:42:07,351 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:42:07,352 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:42:07,352 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:42:07,353 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:42:07,353 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_82f7a603-e64f-4caf-b15b-9101bc702518/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 184fccc72b69c7eb23b9d3b6c6b06a51b6f3ae888fa77cf8167b62023a6f2308 [2023-12-02 22:42:07,588 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:42:07,611 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:42:07,615 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:42:07,616 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:42:07,617 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:42:07,618 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-15.i [2023-12-02 22:42:10,542 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:42:10,748 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:42:10,748 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-15.i [2023-12-02 22:42:10,759 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/data/a32d91ae3/288c16c4ed4d4a5dbbace8195b8a9be6/FLAG9f18fa5f0 [2023-12-02 22:42:10,777 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/data/a32d91ae3/288c16c4ed4d4a5dbbace8195b8a9be6 [2023-12-02 22:42:10,780 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:42:10,782 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:42:10,784 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:42:10,784 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:42:10,790 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:42:10,791 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:42:10" (1/1) ... [2023-12-02 22:42:10,793 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39df0ed7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:10, skipping insertion in model container [2023-12-02 22:42:10,793 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:42:10" (1/1) ... [2023-12-02 22:42:10,824 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:42:11,000 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_82f7a603-e64f-4caf-b15b-9101bc702518/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-15.i[915,928] [2023-12-02 22:42:11,037 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:42:11,051 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:42:11,066 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_82f7a603-e64f-4caf-b15b-9101bc702518/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-15.i[915,928] [2023-12-02 22:42:11,082 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:42:11,102 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:42:11,102 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:11 WrapperNode [2023-12-02 22:42:11,102 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:42:11,104 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:42:11,104 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:42:11,104 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:42:11,113 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:11" (1/1) ... [2023-12-02 22:42:11,123 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:11" (1/1) ... [2023-12-02 22:42:11,151 INFO L138 Inliner]: procedures = 26, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 88 [2023-12-02 22:42:11,151 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:42:11,152 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:42:11,152 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:42:11,152 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:42:11,163 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:11" (1/1) ... [2023-12-02 22:42:11,163 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:11" (1/1) ... [2023-12-02 22:42:11,166 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:11" (1/1) ... [2023-12-02 22:42:11,166 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:11" (1/1) ... [2023-12-02 22:42:11,173 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:11" (1/1) ... [2023-12-02 22:42:11,177 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:11" (1/1) ... [2023-12-02 22:42:11,179 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:11" (1/1) ... [2023-12-02 22:42:11,180 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:11" (1/1) ... [2023-12-02 22:42:11,183 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:42:11,185 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:42:11,185 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:42:11,185 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:42:11,186 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:11" (1/1) ... [2023-12-02 22:42:11,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:42:11,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:42:11,221 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:42:11,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:42:11,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:42:11,265 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 22:42:11,265 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 22:42:11,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:42:11,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:42:11,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:42:11,373 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:42:11,376 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:42:11,591 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:42:11,713 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:42:11,713 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 22:42:11,714 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:42:11 BoogieIcfgContainer [2023-12-02 22:42:11,714 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:42:11,715 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:42:11,716 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:42:11,724 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:42:11,724 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:42:11" (1/1) ... [2023-12-02 22:42:11,733 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:42:11,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:11,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2023-12-02 22:42:11,788 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2023-12-02 22:42:11,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:42:11,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:11,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:42:11,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:42:11,996 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:42:12,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:42:12,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:42:12,170 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:42:12,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:42:12,235 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 22:42:12,282 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:42:12 ImpRootNode [2023-12-02 22:42:12,282 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:42:12,283 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:42:12,283 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:42:12,284 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:42:12,284 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:42:11" (3/4) ... [2023-12-02 22:42:12,287 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 22:42:12,288 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:42:12,289 INFO L158 Benchmark]: Toolchain (without parser) took 1506.77ms. Allocated memory was 121.6MB in the beginning and 161.5MB in the end (delta: 39.8MB). Free memory was 81.5MB in the beginning and 93.1MB in the end (delta: -11.6MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2023-12-02 22:42:12,290 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 121.6MB. Free memory is still 62.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:42:12,291 INFO L158 Benchmark]: CACSL2BoogieTranslator took 318.82ms. Allocated memory is still 121.6MB. Free memory was 81.5MB in the beginning and 69.8MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 22:42:12,292 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.34ms. Allocated memory is still 121.6MB. Free memory was 69.8MB in the beginning and 67.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:42:12,292 INFO L158 Benchmark]: Boogie Preprocessor took 31.92ms. Allocated memory is still 121.6MB. Free memory was 67.8MB in the beginning and 66.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:42:12,293 INFO L158 Benchmark]: RCFGBuilder took 530.10ms. Allocated memory was 121.6MB in the beginning and 161.5MB in the end (delta: 39.8MB). Free memory was 66.5MB in the beginning and 118.3MB in the end (delta: -51.8MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2023-12-02 22:42:12,294 INFO L158 Benchmark]: CodeCheck took 567.14ms. Allocated memory is still 161.5MB. Free memory was 118.3MB in the beginning and 94.2MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-12-02 22:42:12,295 INFO L158 Benchmark]: Witness Printer took 5.00ms. Allocated memory is still 161.5MB. Free memory was 94.2MB in the beginning and 93.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:42:12,299 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, 23 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 83. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -128; [L23] unsigned short int var_1_3 = 16; [L24] unsigned long int var_1_7 = 1000; [L25] signed char var_1_8 = -4; [L26] signed short int var_1_9 = 2; [L27] unsigned char var_1_10 = 1; [L28] unsigned char var_1_11 = 0; [L29] double var_1_12 = 0.95; [L30] double var_1_13 = 9.8; [L31] signed short int last_1_var_1_9 = 2; [L32] unsigned char last_1_var_1_10 = 1; [L87] isInitial = 1 [L88] FCALL initially() [L89] COND TRUE 1 [L90] CALL updateLastVariables() [L79] last_1_var_1_9 = var_1_9 [L80] last_1_var_1_10 = var_1_10 [L90] RET updateLastVariables() [L91] CALL updateVariables() [L63] var_1_3 = __VERIFIER_nondet_ushort() [L64] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_7=1000, var_1_8=-4, var_1_9=2] [L20] COND FALSE !(!cond) [L64] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_7=1000, var_1_8=-4, var_1_9=2] [L65] CALL assume_abort_if_not(var_1_3 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_7=1000, var_1_8=-4, var_1_9=2] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not(var_1_3 <= 65535) VAL [isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_7=1000, var_1_8=-4, var_1_9=2] [L66] var_1_7 = __VERIFIER_nondet_ulong() [L67] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_8=-4, var_1_9=2] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_8=-4, var_1_9=2] [L68] CALL assume_abort_if_not(var_1_7 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_8=-4, var_1_9=2] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_7 <= 4294967295) VAL [isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_8=-4, var_1_9=2] [L69] var_1_8 = __VERIFIER_nondet_char() [L70] CALL assume_abort_if_not(var_1_8 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_8 >= -127) VAL [isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_8=0, var_1_9=2] [L71] CALL assume_abort_if_not(var_1_8 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_8 <= 126) VAL [isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_8=0, var_1_9=2] [L72] var_1_11 = __VERIFIER_nondet_uchar() [L73] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_8=0, var_1_9=2] [L74] CALL assume_abort_if_not(var_1_11 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_11 <= 0) VAL [isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_8=0, var_1_9=2] [L75] var_1_13 = __VERIFIER_nondet_double() [L76] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_1=-128, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_1=-128, var_1_8=0, var_1_9=2] [L91] RET updateVariables() [L92] CALL step() [L36] signed long int stepLocal_2 = last_1_var_1_9; [L37] unsigned char stepLocal_1 = (- var_1_7) <= last_1_var_1_9; [L38] unsigned char stepLocal_0 = last_1_var_1_10; [L39] COND TRUE stepLocal_0 || ((~ last_1_var_1_9) >= last_1_var_1_9) [L40] COND FALSE !(last_1_var_1_9 < stepLocal_2) [L49] var_1_1 = var_1_8 [L54] var_1_10 = var_1_11 [L55] var_1_12 = var_1_13 [L56] COND FALSE !(\read(var_1_10)) [L92] RET step() [L93] CALL, EXPR property() [L83-L84] return ((((last_1_var_1_10 || ((~ last_1_var_1_9) >= last_1_var_1_9)) ? ((last_1_var_1_9 < last_1_var_1_9) ? ((! last_1_var_1_10) ? (((last_1_var_1_9 > last_1_var_1_9) && ((- var_1_7) <= last_1_var_1_9)) ? (var_1_1 == ((signed char) var_1_8)) : (var_1_1 == ((signed char) var_1_8))) : 1) : (var_1_1 == ((signed char) var_1_8))) : (var_1_1 == ((signed char) var_1_8))) && (var_1_10 ? ((((4131182089u - var_1_3) - 200u) < var_1_1) ? (var_1_9 == ((signed short int) var_1_8)) : 1) : 1)) && (var_1_10 == ((unsigned char) var_1_11))) && (var_1_12 == ((double) var_1_13)) ; [L93] RET, EXPR property() [L93] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=0, var_1_11=0, var_1_12=2, var_1_13=2, var_1_1=0, var_1_3=0, var_1_8=0, var_1_9=2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=0, var_1_11=0, var_1_12=2, var_1_13=2, var_1_1=0, var_1_3=0, var_1_8=0, var_1_9=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 121.6MB. Free memory is still 62.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 318.82ms. Allocated memory is still 121.6MB. Free memory was 81.5MB in the beginning and 69.8MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.34ms. Allocated memory is still 121.6MB. Free memory was 69.8MB in the beginning and 67.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.92ms. Allocated memory is still 121.6MB. Free memory was 67.8MB in the beginning and 66.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 530.10ms. Allocated memory was 121.6MB in the beginning and 161.5MB in the end (delta: 39.8MB). Free memory was 66.5MB in the beginning and 118.3MB in the end (delta: -51.8MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. * CodeCheck took 567.14ms. Allocated memory is still 161.5MB. Free memory was 118.3MB in the beginning and 94.2MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 5.00ms. Allocated memory is still 161.5MB. Free memory was 94.2MB in the beginning and 93.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 22:42:12,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/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_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-15.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/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_82f7a603-e64f-4caf-b15b-9101bc702518/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 184fccc72b69c7eb23b9d3b6c6b06a51b6f3ae888fa77cf8167b62023a6f2308 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:42:14,501 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:42:14,587 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 22:42:14,621 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:42:14,622 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:42:14,622 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:42:14,623 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:42:14,623 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:42:14,624 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:42:14,625 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:42:14,625 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:42:14,626 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:42:14,626 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:42:14,627 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:42:14,628 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:42:14,628 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:42:14,629 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:42:14,629 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:42:14,630 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:42:14,631 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:42:14,631 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:42:14,632 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:42:14,632 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:42:14,633 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:42:14,634 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:42:14,634 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:14,635 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:42:14,635 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:42:14,636 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:42:14,636 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:42:14,636 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:42:14,637 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:42:14,637 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:42:14,638 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:14,638 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:42:14,638 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:42:14,638 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:42:14,638 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_82f7a603-e64f-4caf-b15b-9101bc702518/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 184fccc72b69c7eb23b9d3b6c6b06a51b6f3ae888fa77cf8167b62023a6f2308 [2023-12-02 22:42:14,968 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:42:14,991 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:42:14,994 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:42:14,995 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:42:14,995 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:42:14,997 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-15.i [2023-12-02 22:42:17,873 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:42:18,091 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:42:18,091 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-15.i [2023-12-02 22:42:18,100 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/data/683ae5499/94893d7815904912a5f44ae5205c32d2/FLAGa3baa91b3 [2023-12-02 22:42:18,117 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/data/683ae5499/94893d7815904912a5f44ae5205c32d2 [2023-12-02 22:42:18,121 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:42:18,123 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:42:18,124 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:42:18,125 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:42:18,130 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:42:18,130 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:42:18" (1/1) ... [2023-12-02 22:42:18,131 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3de08304 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:18, skipping insertion in model container [2023-12-02 22:42:18,132 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:42:18" (1/1) ... [2023-12-02 22:42:18,160 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:42:18,307 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_82f7a603-e64f-4caf-b15b-9101bc702518/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-15.i[915,928] [2023-12-02 22:42:18,345 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:42:18,364 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:42:18,376 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_82f7a603-e64f-4caf-b15b-9101bc702518/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-15.i[915,928] [2023-12-02 22:42:18,395 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:42:18,414 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:42:18,415 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:18 WrapperNode [2023-12-02 22:42:18,415 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:42:18,416 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:42:18,416 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:42:18,416 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:42:18,423 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:18" (1/1) ... [2023-12-02 22:42:18,435 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:18" (1/1) ... [2023-12-02 22:42:18,461 INFO L138 Inliner]: procedures = 27, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 87 [2023-12-02 22:42:18,461 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:42:18,462 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:42:18,462 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:42:18,463 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:42:18,471 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:18" (1/1) ... [2023-12-02 22:42:18,471 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:18" (1/1) ... [2023-12-02 22:42:18,476 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:18" (1/1) ... [2023-12-02 22:42:18,476 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:18" (1/1) ... [2023-12-02 22:42:18,486 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:18" (1/1) ... [2023-12-02 22:42:18,490 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:18" (1/1) ... [2023-12-02 22:42:18,493 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:18" (1/1) ... [2023-12-02 22:42:18,495 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:18" (1/1) ... [2023-12-02 22:42:18,500 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:42:18,501 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:42:18,501 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:42:18,502 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:42:18,503 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:42:18" (1/1) ... [2023-12-02 22:42:18,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:42:18,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:42:18,534 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:42:18,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:42:18,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:42:18,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:42:18,582 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 22:42:18,582 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 22:42:18,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:42:18,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:42:18,667 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:42:18,669 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:42:18,936 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:42:19,068 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:42:19,068 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 22:42:19,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:42:19 BoogieIcfgContainer [2023-12-02 22:42:19,070 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:42:19,071 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:42:19,071 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:42:19,083 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:42:19,084 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:42:19" (1/1) ... [2023-12-02 22:42:19,095 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:42:19,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:19,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2023-12-02 22:42:19,164 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2023-12-02 22:42:19,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:42:19,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:19,171 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:19,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:19,199 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:19,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 22:42:19,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:19,594 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:19,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:19,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:42:19,691 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:29,701 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:42:29,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 22:42:31,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:31,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:42:31,144 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:42:31,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:42:31,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:31,146 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:31,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:31,147 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:31,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 22:42:31,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:31,512 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:31,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:31,563 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:42:31,568 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:38,737 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:42:38,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 22:42:38,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:38,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:42:38,758 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:42:38,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:42:38,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:38,760 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:38,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:38,761 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:38,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 22:42:39,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:39,103 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:39,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:39,143 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:42:39,146 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:46,336 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:42:46,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 22:42:46,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:46,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:42:46,352 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:42:46,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:42:46,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:46,353 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:46,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:46,354 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:46,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 22:42:46,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:46,739 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:46,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:46,780 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:42:46,783 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:42:53,969 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:42:53,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 22:42:53,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:42:53,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:42:53,982 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:42:53,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:42:53,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:42:53,984 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:42:53,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:42:53,985 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:42:53,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 22:42:54,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:54,363 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:42:54,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:42:54,404 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:42:54,407 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:01,419 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:43:01,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-02 22:43:01,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:01,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:43:01,432 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:43:01,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:43:01,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:01,433 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:01,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:01,434 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:01,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 22:43:01,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:01,795 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:01,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:01,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:43:01,841 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:08,530 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:43:08,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 22:43:08,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:08,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:43:08,544 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:43:08,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:43:08,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:08,546 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:08,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:08,547 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:08,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-02 22:43:08,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:08,884 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:08,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:08,923 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:43:08,925 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:15,856 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:43:15,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-02 22:43:15,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:15,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:43:15,868 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:43:15,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:43:15,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:15,869 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:15,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:15,871 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:15,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-02 22:43:16,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:16,218 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:16,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:16,260 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:43:16,262 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:23,192 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:43:23,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-02 22:43:23,199 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 22:43:23,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:23,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:43:23,207 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:43:23,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:43:23,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:23,208 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:23,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:23,209 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:23,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-02 22:43:23,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:23,522 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:23,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:23,554 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:43:23,556 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:30,817 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:43:30,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-02 22:43:30,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:30,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:43:30,826 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:43:30,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:43:30,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:30,827 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:30,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:30,828 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:30,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-02 22:43:31,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:31,124 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:31,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:31,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:43:31,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:38,161 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:43:38,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-02 22:43:38,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:38,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:43:38,170 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:43:38,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:43:38,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:38,172 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:38,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:38,173 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:38,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-02 22:43:38,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:38,553 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:38,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:38,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:43:38,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:45,493 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:43:45,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-02 22:43:45,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:45,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:43:45,502 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:43:45,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:43:45,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:45,503 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:45,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:45,504 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:45,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-02 22:43:45,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:45,869 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:45,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:45,902 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:43:45,903 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:52,958 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:43:52,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2023-12-02 22:43:52,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:52,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:43:52,969 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:43:52,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:43:52,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:52,970 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:43:52,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:43:52,971 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:43:52,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-02 22:43:53,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:53,314 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:43:53,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:53,354 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:43:53,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:00,304 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:44:00,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-02 22:44:00,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:00,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:44:00,314 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:44:00,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:44:00,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:00,315 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:00,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:00,316 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:00,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-02 22:44:00,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:00,659 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:00,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:00,692 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:44:00,693 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:07,312 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:44:07,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-02 22:44:07,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:07,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:44:07,320 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:44:07,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:44:07,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:07,320 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:07,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:07,321 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:07,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-02 22:44:07,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:07,618 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:07,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:07,648 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:44:07,650 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:14,110 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:44:14,113 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-02 22:44:14,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:14,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:44:14,118 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:44:14,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:44:14,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:14,119 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:14,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:14,120 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:14,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-02 22:44:14,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:14,412 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:14,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:14,444 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:44:14,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:21,033 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:44:21,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-02 22:44:21,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:21,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:44:21,042 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:44:21,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:44:21,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:21,042 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:21,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:21,044 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:21,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-02 22:44:21,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:21,332 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:21,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:21,367 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:44:21,368 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:27,902 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:44:27,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-02 22:44:27,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:27,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:44:27,911 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:44:27,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:44:27,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:27,912 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:27,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:27,913 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:27,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-02 22:44:28,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:28,207 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:28,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:28,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:44:28,243 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:34,932 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:44:34,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-02 22:44:34,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:34,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:44:34,940 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:44:34,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:44:34,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:34,941 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:34,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:34,942 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:34,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-02 22:44:35,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:35,235 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:35,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:35,266 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:44:35,268 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:41,906 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:44:41,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-02 22:44:41,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:41,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:44:41,915 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:44:41,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:44:41,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:41,916 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:41,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:41,917 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:41,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-02 22:44:42,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:42,224 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:42,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:42,254 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:44:42,256 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:48,915 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:44:48,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-02 22:44:48,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:48,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:44:48,923 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:44:48,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:44:48,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:48,924 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:48,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:48,925 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:48,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-02 22:44:49,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:49,228 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:49,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:49,262 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:44:49,263 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:55,851 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:44:55,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-02 22:44:55,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:55,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:44:55,860 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:44:55,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:44:55,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:55,861 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:44:55,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:44:55,862 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:44:55,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-02 22:44:56,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:56,159 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:44:56,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:56,191 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:44:56,193 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:03,249 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:45:03,252 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-02 22:45:03,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:03,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:45:03,259 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:45:03,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:45:03,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:03,259 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:03,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:03,260 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:03,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-02 22:45:03,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:03,574 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:03,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:03,608 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:45:03,609 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:10,665 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:45:10,668 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-02 22:45:10,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:10,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:45:10,673 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:45:10,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:45:10,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:10,674 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:10,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:10,675 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:10,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-02 22:45:10,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:10,984 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:11,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:11,015 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:45:11,016 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:17,953 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:45:17,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-02 22:45:17,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:17,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:45:17,962 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:45:17,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:45:17,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:17,962 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:17,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:17,964 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:17,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-02 22:45:18,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:18,261 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:18,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:18,293 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:45:18,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:24,975 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:45:24,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-02 22:45:24,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:24,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:45:24,984 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:45:24,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:45:24,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:24,985 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:24,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:24,986 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:24,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-02 22:45:25,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:25,309 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:25,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:25,341 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:45:25,342 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:31,927 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:45:31,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-02 22:45:31,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:31,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:45:31,936 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:45:31,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:45:31,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:31,936 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:31,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:31,937 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:31,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-02 22:45:32,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:32,242 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:32,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:32,278 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:45:32,280 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:39,086 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:45:39,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-02 22:45:39,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:39,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:45:39,095 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:45:39,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:45:39,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:39,095 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:39,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:39,096 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:39,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-02 22:45:39,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:39,398 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:39,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:39,431 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:45:39,433 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:46,049 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:45:46,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-02 22:45:46,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:46,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:45:46,057 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:45:46,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:45:46,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:46,058 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:46,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:46,059 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:46,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-02 22:45:46,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:46,371 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:46,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:46,402 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:45:46,404 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:53,288 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:45:53,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-02 22:45:53,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:53,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:45:53,297 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:45:53,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:45:53,297 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:53,297 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:45:53,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:45:53,298 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:45:53,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-02 22:45:53,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:53,603 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:45:53,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:53,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:45:53,646 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:00,371 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:46:00,374 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-02 22:46:00,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:00,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:46:00,379 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:46:00,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:46:00,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:00,380 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:00,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:00,381 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:00,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-02 22:46:00,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:00,706 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:00,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:00,745 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:46:00,747 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:07,360 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:46:07,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-02 22:46:07,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:07,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:46:07,368 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:46:07,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:46:07,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:07,369 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:07,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:07,370 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:07,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-02 22:46:07,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:07,675 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:07,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:07,708 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:46:07,710 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:14,660 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:46:14,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-02 22:46:14,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:14,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:46:14,669 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:46:14,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:46:14,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:14,669 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:14,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:14,671 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:14,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-02 22:46:14,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:14,982 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:15,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:15,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:46:15,095 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:22,135 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:46:22,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-02 22:46:22,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:22,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:46:22,143 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:46:22,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:46:22,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:22,144 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:22,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:22,145 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:22,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-02 22:46:22,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:22,460 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:22,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:22,495 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:46:22,496 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:29,353 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:46:29,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-02 22:46:29,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:29,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:46:29,361 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:46:29,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:46:29,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:29,361 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:29,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:29,362 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:29,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-02 22:46:29,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:29,680 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:29,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:29,715 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:46:29,716 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:36,382 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:46:36,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-02 22:46:36,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:36,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:46:36,390 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:46:36,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:46:36,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:36,391 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:36,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:36,392 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:36,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-02 22:46:36,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:36,706 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:36,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:36,740 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:46:36,742 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:43,329 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:46:43,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-02 22:46:43,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:43,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:46:43,337 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:46:43,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:46:43,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:43,338 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:43,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:43,339 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:43,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-02 22:46:43,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:43,646 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:43,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:43,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:46:43,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:50,242 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:46:50,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-02 22:46:50,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:50,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:46:50,250 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:46:50,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:46:50,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:50,251 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:50,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:50,252 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:50,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-02 22:46:50,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:50,559 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:50,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:50,591 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:46:50,592 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:57,235 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:46:57,238 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-02 22:46:57,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:57,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:46:57,244 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:46:57,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:46:57,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:57,244 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:57,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:57,245 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:57,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-02 22:46:57,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:57,549 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:57,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:57,584 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:46:57,586 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:47:04,224 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:47:04,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Forceful destruction successful, exit code 0 [2023-12-02 22:47:04,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:47:04,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:47:04,232 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:47:04,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:47:04,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:47:04,233 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:47:04,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:47:04,234 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:47:04,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-02 22:47:04,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:04,536 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:47:04,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:04,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:47:04,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:47:11,130 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:47:11,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-02 22:47:11,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:47:11,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:47:11,139 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:47:11,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:47:11,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:47:11,139 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:47:11,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:47:11,140 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:47:11,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-02 22:47:11,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:11,435 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:47:11,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:11,468 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:47:11,469 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:47:18,143 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:47:18,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-02 22:47:18,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:47:18,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:47:18,153 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:47:18,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:47:18,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:47:18,154 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:47:18,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:47:18,155 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:47:18,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-02 22:47:18,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:18,474 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:47:18,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:18,509 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:47:18,511 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:47:25,171 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:47:25,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-02 22:47:25,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:47:25,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:47:25,179 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:47:25,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:47:25,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:47:25,180 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:47:25,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:47:25,181 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:47:25,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-02 22:47:25,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:25,488 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:47:25,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:25,521 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:47:25,522 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:47:32,193 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:47:32,196 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-02 22:47:32,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:47:32,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:47:32,201 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:47:32,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:47:32,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:47:32,202 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:47:32,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:47:32,202 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:47:32,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-02 22:47:32,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:32,508 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:47:32,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:32,543 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:47:32,545 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:47:39,239 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:47:39,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-02 22:47:39,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:47:39,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:47:39,247 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:47:39,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:47:39,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:47:39,247 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:47:39,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:47:39,248 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:47:39,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-02 22:47:39,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:39,570 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:47:39,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:39,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:47:39,606 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:47:46,284 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:47:46,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-02 22:47:46,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:47:46,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:47:46,293 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:47:46,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:47:46,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:47:46,293 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:47:46,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:47:46,294 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:47:46,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-02 22:47:46,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:46,609 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:47:46,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:46,643 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:47:46,645 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:47:53,319 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:47:53,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-02 22:47:53,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:47:53,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:47:53,327 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:47:53,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:47:53,327 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:47:53,327 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:47:53,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:47:53,328 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:47:53,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-02 22:47:53,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:53,657 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:47:53,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:53,694 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:47:53,695 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:00,300 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:48:00,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-02 22:48:00,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:00,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:48:00,309 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:48:00,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:48:00,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:00,310 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:00,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:00,310 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:00,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-02 22:48:00,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:00,631 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:00,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:00,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:48:00,668 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:07,336 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:48:07,339 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-02 22:48:07,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:07,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:48:07,344 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:48:07,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:48:07,344 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:07,345 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:07,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:07,346 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:07,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-02 22:48:07,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:07,648 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:07,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:07,682 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:48:07,683 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:14,317 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:48:14,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-02 22:48:14,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:14,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:48:14,325 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:48:14,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:48:14,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:14,326 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:14,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:14,327 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:14,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-02 22:48:14,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:14,651 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:14,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:14,685 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:48:14,687 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:21,391 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:48:21,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-02 22:48:21,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:21,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:48:21,400 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:48:21,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:48:21,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:21,401 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:21,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:21,402 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:21,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-02 22:48:21,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:21,710 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:21,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:21,752 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:48:21,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:28,354 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:48:28,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Forceful destruction successful, exit code 0 [2023-12-02 22:48:28,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:28,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:48:28,362 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:48:28,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:48:28,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:28,363 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:28,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:28,364 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:28,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-02 22:48:28,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:28,678 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:28,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:28,712 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:48:28,713 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:35,346 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:48:35,349 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-02 22:48:35,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:35,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:48:35,354 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:48:35,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:48:35,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:35,355 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:35,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:35,356 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:35,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-02 22:48:35,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:35,667 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:35,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:35,701 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:48:35,703 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:42,384 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:48:42,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-02 22:48:42,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:42,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:48:42,392 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:48:42,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:48:42,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:42,392 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:42,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:42,393 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:42,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-02 22:48:42,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:42,708 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:42,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:42,742 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:48:42,743 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:49,476 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:48:49,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-02 22:48:49,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:49,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:48:49,488 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:48:49,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:48:49,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:49,489 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:49,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:49,489 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:49,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-02 22:48:49,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:49,806 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:49,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:49,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:48:49,845 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:56,466 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:48:56,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Forceful destruction successful, exit code 0 [2023-12-02 22:48:56,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:56,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:48:56,475 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:48:56,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:48:56,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:56,475 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:56,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:56,476 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:56,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-02 22:48:56,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:56,780 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:56,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:56,817 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:48:56,818 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:03,470 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:49:03,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-02 22:49:03,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:03,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:49:03,479 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:49:03,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:49:03,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:03,479 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:03,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:03,480 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:03,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-02 22:49:03,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:03,786 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:03,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:03,836 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:49:03,838 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:10,457 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:49:10,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-02 22:49:10,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:10,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:49:10,465 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:49:10,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:49:10,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:10,466 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:10,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:10,466 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:10,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-02 22:49:10,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:10,766 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:10,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:10,800 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:49:10,801 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:17,354 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:49:17,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2023-12-02 22:49:17,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:17,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:49:17,362 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:49:17,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:49:17,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:17,362 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:17,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:17,363 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:17,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-02 22:49:17,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:17,658 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:17,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:17,690 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:49:17,691 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:24,389 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:49:24,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2023-12-02 22:49:24,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:24,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:49:24,397 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:49:24,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:49:24,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:24,398 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:24,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:24,399 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:24,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-02 22:49:24,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:24,697 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:24,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:24,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:49:24,733 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:31,430 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:49:31,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2023-12-02 22:49:31,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:31,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:49:31,438 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:49:31,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:49:31,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:31,439 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:31,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:31,440 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:31,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-02 22:49:31,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:31,754 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:31,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:31,792 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:49:31,794 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:38,484 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:49:38,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2023-12-02 22:49:38,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:38,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:49:38,492 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:49:38,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:49:38,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:38,492 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:38,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:38,493 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:38,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-02 22:49:38,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:38,801 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:38,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:38,834 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:49:38,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:45,921 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:49:45,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2023-12-02 22:49:45,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:45,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:49:45,930 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:49:45,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:49:45,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:45,930 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:45,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:45,931 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:45,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-02 22:49:46,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:46,251 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:46,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:46,291 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:49:46,292 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:53,386 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:49:53,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2023-12-02 22:49:53,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:53,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:49:53,394 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:49:53,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:49:53,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:53,394 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:53,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:53,395 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:53,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2023-12-02 22:49:53,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:53,715 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:53,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:53,753 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:49:53,754 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:00,467 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:50:00,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2023-12-02 22:50:00,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:00,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:50:00,476 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:50:00,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:50:00,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:00,477 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:50:00,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:50:00,478 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:50:00,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-12-02 22:50:00,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:00,841 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:50:00,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:00,879 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:50:00,881 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:07,921 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:50:07,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2023-12-02 22:50:07,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:07,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:50:07,930 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:50:07,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:50:07,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:07,930 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:50:07,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:50:07,931 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:50:07,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2023-12-02 22:50:08,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:08,272 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:50:08,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:08,310 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:50:08,312 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:15,017 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:50:15,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Forceful destruction successful, exit code 0 [2023-12-02 22:50:15,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:15,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:50:15,025 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:50:15,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:50:15,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:15,026 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:50:15,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:50:15,027 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:50:15,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2023-12-02 22:50:15,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:15,362 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:50:15,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:15,404 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:50:15,405 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:22,126 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:50:22,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2023-12-02 22:50:22,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:22,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:50:22,134 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:50:22,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:50:22,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:22,135 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:50:22,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:50:22,136 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:50:22,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2023-12-02 22:50:22,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:22,452 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:50:22,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:22,492 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:50:22,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:29,124 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:50:29,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2023-12-02 22:50:29,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:29,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:50:29,133 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:50:29,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:50:29,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:29,133 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:50:29,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:50:29,134 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:50:29,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2023-12-02 22:50:29,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:29,460 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:50:29,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:29,500 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:50:29,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:36,236 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:50:36,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2023-12-02 22:50:36,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:36,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:50:36,245 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:50:36,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:50:36,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:36,246 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:50:36,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:50:36,247 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:50:36,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2023-12-02 22:50:36,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:36,591 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:50:36,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:36,631 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:50:36,632 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:43,755 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:50:43,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Forceful destruction successful, exit code 0 [2023-12-02 22:50:43,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:43,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:50:43,763 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:50:43,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:50:43,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:43,764 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:50:43,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:50:43,764 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:50:43,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2023-12-02 22:50:44,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:44,090 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:50:44,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:44,134 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:50:44,135 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:50,997 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:50:51,000 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2023-12-02 22:50:51,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:51,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:50:51,006 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:50:51,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:50:51,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:51,007 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:50:51,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:50:51,008 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:50:51,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2023-12-02 22:50:51,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:51,319 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:50:51,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:51,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:50:51,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:58,282 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:50:58,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2023-12-02 22:50:58,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:58,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:50:58,290 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:50:58,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:50:58,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:58,290 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:50:58,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:50:58,291 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:50:58,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2023-12-02 22:50:58,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:58,616 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:50:58,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:58,651 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:50:58,652 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:51:05,657 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:51:05,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2023-12-02 22:51:05,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:05,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:51:05,665 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:51:05,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:51:05,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:05,666 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:05,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:05,667 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:05,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2023-12-02 22:51:05,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:05,985 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:06,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:06,027 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:51:06,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:51:12,733 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:51:12,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2023-12-02 22:51:12,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:12,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:51:12,741 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:51:12,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:51:12,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:12,742 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:12,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:12,743 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:12,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2023-12-02 22:51:13,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:13,079 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:13,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:13,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:51:13,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:51:19,787 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:51:19,794 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2023-12-02 22:51:19,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:19,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:51:19,804 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:51:19,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:51:19,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:19,805 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:19,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:19,806 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:19,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2023-12-02 22:51:20,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:20,112 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:20,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:20,148 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:51:20,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:51:26,774 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:51:26,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2023-12-02 22:51:26,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:26,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:51:26,782 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:51:26,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:51:26,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:26,782 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:26,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:26,783 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:26,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2023-12-02 22:51:27,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:27,096 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:27,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:27,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:51:27,134 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:51:33,701 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:51:33,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2023-12-02 22:51:33,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:33,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:51:33,710 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:51:33,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:51:33,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:33,711 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:33,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:33,712 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:33,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2023-12-02 22:51:34,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:34,028 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:34,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:34,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:51:34,066 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:51:40,662 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:51:40,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2023-12-02 22:51:40,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:40,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:51:40,670 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:51:40,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:51:40,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:40,671 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:40,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:40,671 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:40,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2023-12-02 22:51:40,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:40,978 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:41,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:41,012 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:51:41,014 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:51:47,586 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:51:47,589 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2023-12-02 22:51:47,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:47,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:51:47,595 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:51:47,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:51:47,595 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:47,595 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:47,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:47,596 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:47,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2023-12-02 22:51:47,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:47,916 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:47,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:47,951 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:51:47,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:51:54,611 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:51:54,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2023-12-02 22:51:54,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:54,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:51:54,620 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:51:54,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:51:54,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:54,621 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:51:54,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:51:54,622 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:51:54,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2023-12-02 22:51:54,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:54,937 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:51:54,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:54,972 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:51:54,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:52:01,663 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:52:01,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2023-12-02 22:52:01,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:52:01,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:52:01,671 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:52:01,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:52:01,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:52:01,672 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:52:01,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:52:01,673 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:52:01,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2023-12-02 22:52:01,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:01,992 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:52:02,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:02,028 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:52:02,029 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:52:08,910 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:52:08,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2023-12-02 22:52:08,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:52:08,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:52:08,918 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:52:08,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:52:08,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:52:08,919 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:52:08,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:52:08,920 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:52:08,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2023-12-02 22:52:09,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:09,288 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:52:09,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:09,334 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:52:09,336 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:52:16,424 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:52:16,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2023-12-02 22:52:16,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:52:16,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:52:16,433 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:52:16,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:52:16,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:52:16,433 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:52:16,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:52:16,434 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:52:16,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2023-12-02 22:52:16,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:16,796 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:52:16,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:16,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:52:16,841 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:52:23,641 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:52:23,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Forceful destruction successful, exit code 0 [2023-12-02 22:52:23,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:52:23,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:52:23,652 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:52:23,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:52:23,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:52:23,652 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:52:23,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:52:23,653 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:52:23,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2023-12-02 22:52:23,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:23,962 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:52:23,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:24,000 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:52:24,002 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:52:31,058 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:52:31,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2023-12-02 22:52:31,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:52:31,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:52:31,066 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:52:31,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:52:31,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:52:31,067 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:52:31,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:52:31,068 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:52:31,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2023-12-02 22:52:31,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:31,388 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:52:31,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:31,427 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:52:31,428 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:52:38,596 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:52:38,600 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Forceful destruction successful, exit code 0 [2023-12-02 22:52:38,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:52:38,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:52:38,606 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:52:38,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:52:38,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:52:38,606 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:52:38,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:52:38,607 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:52:38,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2023-12-02 22:52:38,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:38,955 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:52:38,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:38,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:52:38,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:52:46,049 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:52:46,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2023-12-02 22:52:46,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:52:46,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:52:46,058 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:52:46,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:52:46,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:52:46,058 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:52:46,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:52:46,059 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:52:46,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2023-12-02 22:52:46,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:46,400 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:52:46,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:46,444 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:52:46,445 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:52:53,303 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:52:53,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2023-12-02 22:52:53,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:52:53,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:52:53,312 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:52:53,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:52:53,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:52:53,312 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:52:53,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:52:53,313 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:52:53,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2023-12-02 22:52:53,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:53,630 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:52:53,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:53,670 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:52:53,671 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:53:00,575 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:53:00,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2023-12-02 22:53:00,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:00,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:53:00,584 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:53:00,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:53:00,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:00,584 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:00,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:53:00,585 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:53:00,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2023-12-02 22:53:00,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:00,916 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:53:00,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:00,956 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:53:00,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:53:07,695 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:53:07,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2023-12-02 22:53:07,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:07,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:53:07,703 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:53:07,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:53:07,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:07,704 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:07,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:53:07,705 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:53:07,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2023-12-02 22:53:08,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:08,033 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:53:08,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:08,072 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:53:08,073 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:53:15,362 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:53:15,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2023-12-02 22:53:15,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:15,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:53:15,371 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:53:15,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:53:15,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:15,371 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:15,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:53:15,372 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:53:15,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2023-12-02 22:53:15,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:15,691 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:53:15,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:15,730 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:53:15,732 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:53:22,970 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:53:22,973 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Forceful destruction successful, exit code 0 [2023-12-02 22:53:22,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:22,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:53:22,979 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:53:22,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:53:22,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:22,979 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:22,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:53:22,980 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:53:22,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2023-12-02 22:53:23,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:23,324 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:53:23,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:23,367 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:53:23,369 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:53:30,277 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:53:30,280 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2023-12-02 22:53:30,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:30,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:53:30,285 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:53:30,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:53:30,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:30,286 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:30,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:53:30,287 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:53:30,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2023-12-02 22:53:30,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:30,609 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:53:30,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:30,649 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:53:30,650 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:53:37,887 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:53:37,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2023-12-02 22:53:37,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:37,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:53:37,895 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:53:37,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:53:37,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:37,896 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:37,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:53:37,897 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:53:37,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2023-12-02 22:53:38,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:38,245 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:53:38,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:38,286 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:53:38,287 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:53:45,382 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:53:45,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2023-12-02 22:53:45,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:45,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:53:45,390 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:53:45,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:53:45,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:45,391 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:45,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:53:45,391 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:53:45,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2023-12-02 22:53:45,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:45,708 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:53:45,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:45,745 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:53:45,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:53:52,790 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:53:52,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2023-12-02 22:53:52,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:52,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:53:52,799 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:53:52,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:53:52,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:52,799 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:52,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:53:52,800 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:53:52,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2023-12-02 22:53:53,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:53,184 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:53:53,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:53,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:53:53,226 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:00,495 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:54:00,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2023-12-02 22:54:00,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:00,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:54:00,503 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:54:00,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:54:00,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:00,504 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:00,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:00,504 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:00,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2023-12-02 22:54:00,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:00,814 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:00,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:00,860 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:54:00,862 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:07,596 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:54:07,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2023-12-02 22:54:07,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:07,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:54:07,604 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:54:07,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:54:07,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:07,604 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:07,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:07,605 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:07,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2023-12-02 22:54:07,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:07,908 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:07,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:07,944 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:54:07,946 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:14,748 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:54:14,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2023-12-02 22:54:14,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:14,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:54:14,757 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:54:14,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:54:14,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:14,757 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:14,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:14,758 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:14,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2023-12-02 22:54:15,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:15,080 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:15,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:15,122 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:54:15,123 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:21,907 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:54:21,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2023-12-02 22:54:21,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:21,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:54:21,915 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:54:21,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:54:21,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:21,916 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:21,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:21,917 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:21,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2023-12-02 22:54:22,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:22,238 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:22,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:22,277 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:54:22,279 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:28,900 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:54:28,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2023-12-02 22:54:28,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:28,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:54:28,909 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:54:28,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:54:28,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:28,909 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:28,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:28,910 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:28,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2023-12-02 22:54:29,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:29,226 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:29,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:29,264 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:54:29,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:35,972 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:54:35,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2023-12-02 22:54:35,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:35,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:54:35,981 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:54:35,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:54:35,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:35,981 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:35,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:35,982 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:35,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2023-12-02 22:54:36,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:36,299 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:36,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:36,338 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:54:36,339 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:43,168 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:54:43,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2023-12-02 22:54:43,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:43,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:54:43,176 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:54:43,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:54:43,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:43,177 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:43,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:43,178 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:43,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2023-12-02 22:54:43,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:43,493 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:43,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:43,531 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:54:43,533 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:50,251 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:54:50,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2023-12-02 22:54:50,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:50,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:54:50,259 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:54:50,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:54:50,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:50,260 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:50,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:50,261 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:50,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2023-12-02 22:54:50,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:50,572 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:50,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:50,611 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:54:50,612 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:57,331 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:54:57,334 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2023-12-02 22:54:57,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:57,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:54:57,339 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:54:57,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:54:57,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:57,340 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:57,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:57,341 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:57,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2023-12-02 22:54:57,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:57,654 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:57,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:57,694 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:54:57,696 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:55:04,481 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:55:04,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2023-12-02 22:55:04,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:55:04,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:55:04,489 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:55:04,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:55:04,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:55:04,489 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:55:04,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:55:04,490 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:55:04,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2023-12-02 22:55:04,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:55:04,797 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:55:04,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:55:04,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:55:04,843 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:55:12,046 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:55:12,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2023-12-02 22:55:12,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:55:12,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:55:12,055 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:55:12,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:55:12,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:55:12,055 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:55:12,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:55:12,056 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:55:12,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2023-12-02 22:55:12,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:55:12,375 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:55:12,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:55:12,415 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:55:12,416 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:55:19,435 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:55:19,438 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2023-12-02 22:55:19,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:55:19,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:55:19,443 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:55:19,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:55:19,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:55:19,443 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:55:19,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:55:19,444 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:55:19,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2023-12-02 22:55:19,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:55:19,771 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:55:19,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:55:19,815 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:55:19,817 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:55:26,641 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:55:26,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2023-12-02 22:55:26,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:55:26,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:55:26,650 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:55:26,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:55:26,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:55:26,650 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:55:26,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:55:26,651 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:55:26,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2023-12-02 22:55:26,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:55:26,969 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:55:27,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:55:27,008 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:55:27,010 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:55:33,839 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:55:33,842 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2023-12-02 22:55:33,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:55:33,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:55:33,847 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:55:33,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:55:33,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:55:33,847 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:55:33,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:55:33,848 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:55:33,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2023-12-02 22:55:34,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:55:34,198 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:55:34,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:55:34,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:55:34,242 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:55:41,403 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:55:41,406 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2023-12-02 22:55:41,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:55:41,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:55:41,411 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:55:41,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:55:41,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:55:41,411 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:55:41,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:55:41,412 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:55:41,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2023-12-02 22:55:41,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:55:41,738 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:55:41,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:55:41,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:55:41,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:55:48,798 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:55:48,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2023-12-02 22:55:48,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:55:48,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:55:48,806 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:55:48,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:55:48,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:55:48,806 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:55:48,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:55:48,807 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:55:48,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2023-12-02 22:55:49,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:55:49,129 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:55:49,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:55:49,168 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:55:49,169 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:55:55,892 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:55:55,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2023-12-02 22:55:55,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:55:55,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:55:55,901 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:55:55,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:55:55,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:55:55,901 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:55:55,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:55:55,902 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:55:55,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2023-12-02 22:55:56,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:55:56,221 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:55:56,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:55:56,262 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:55:56,264 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:56:03,090 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:56:03,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Ended with exit code 0 [2023-12-02 22:56:03,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:56:03,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:56:03,098 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:56:03,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:56:03,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:56:03,099 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:56:03,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:56:03,100 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:56:03,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2023-12-02 22:56:03,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:03,434 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:56:03,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:03,474 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:56:03,476 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:56:10,672 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:56:10,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2023-12-02 22:56:10,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:56:10,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:56:10,680 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:56:10,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:56:10,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:56:10,680 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:56:10,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:56:10,681 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:56:10,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2023-12-02 22:56:11,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:11,009 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:56:11,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:11,050 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:56:11,051 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:56:17,888 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:56:17,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Ended with exit code 0 [2023-12-02 22:56:17,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:56:17,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:56:17,897 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:56:17,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:56:17,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:56:17,897 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:56:17,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:56:17,898 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:56:17,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2023-12-02 22:56:18,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:18,285 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:56:18,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:18,327 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:56:18,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:56:25,171 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:56:25,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2023-12-02 22:56:25,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:56:25,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:56:25,179 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:56:25,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:56:25,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:56:25,179 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:56:25,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:56:25,180 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:56:25,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2023-12-02 22:56:25,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:25,499 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:56:25,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:25,539 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:56:25,540 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:56:32,375 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:56:32,378 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Ended with exit code 0 [2023-12-02 22:56:32,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:56:32,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:56:32,383 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:56:32,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:56:32,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:56:32,384 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:56:32,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:56:32,385 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:56:32,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2023-12-02 22:56:32,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:32,714 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:56:32,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:32,756 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:56:32,757 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:56:39,548 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:56:39,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Ended with exit code 0 [2023-12-02 22:56:39,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:56:39,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:56:39,556 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:56:39,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:56:39,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:56:39,556 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:56:39,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:56:39,557 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:56:39,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2023-12-02 22:56:39,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:39,885 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:56:39,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:39,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:56:39,927 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:56:46,859 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:56:46,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Ended with exit code 0 [2023-12-02 22:56:46,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:56:46,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:56:46,867 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:56:46,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:56:46,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:56:46,867 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:56:46,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:56:46,868 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:56:46,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2023-12-02 22:56:47,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:47,206 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:56:47,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:47,250 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:56:47,252 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:56:54,024 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 22:56:54,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Ended with exit code 0 [2023-12-02 22:56:54,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:56:54,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2023-12-02 22:56:54,035 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2023-12-02 22:56:54,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:56:54,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:56:54,036 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:56:54,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:56:54,037 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:56:54,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f7a603-e64f-4caf-b15b-9101bc702518/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2023-12-02 22:56:54,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:54,373 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:56:54,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:54,418 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:56:54,419 INFO L285 TraceCheckSpWp]: Computing forward predicates...