./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.7.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/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_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.7.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/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 64bit --witnessprinter.graph.data.programhash de227c051b8f49d3a151b019043adc8d3b2b410c23383c7a1c8f8a9dd58aa98d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:47:52,248 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:47:52,312 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-03 04:47:52,315 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:47:52,316 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:47:52,339 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:47:52,340 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:47:52,340 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:47:52,341 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:47:52,341 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:47:52,342 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:47:52,342 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:47:52,343 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:47:52,343 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:47:52,344 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:47:52,344 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:47:52,345 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:47:52,345 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:47:52,346 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:47:52,346 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:47:52,347 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:47:52,348 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:47:52,348 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:47:52,349 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:47:52,349 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:47:52,349 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:47:52,350 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:47:52,350 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:47:52,351 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:47:52,351 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:47:52,351 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_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de227c051b8f49d3a151b019043adc8d3b2b410c23383c7a1c8f8a9dd58aa98d [2023-12-03 04:47:52,581 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:47:52,600 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:47:52,603 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:47:52,604 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:47:52,605 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:47:52,606 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.7.prop1-func-interl.c [2023-12-03 04:47:55,346 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:47:55,666 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:47:55,667 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.7.prop1-func-interl.c [2023-12-03 04:47:55,687 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/data/580d594bf/fc75ac514c9f4938bc2fa06bd2bef74f/FLAG9abdccd7f [2023-12-03 04:47:55,702 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/data/580d594bf/fc75ac514c9f4938bc2fa06bd2bef74f [2023-12-03 04:47:55,704 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:47:55,706 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:47:55,707 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:47:55,707 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:47:55,712 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:47:55,713 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:47:55" (1/1) ... [2023-12-03 04:47:55,714 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c1ea86d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:47:55, skipping insertion in model container [2023-12-03 04:47:55,714 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:47:55" (1/1) ... [2023-12-03 04:47:55,802 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:47:56,011 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_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.7.prop1-func-interl.c[1175,1188] [2023-12-03 04:47:56,511 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:47:56,521 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:47:56,533 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_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.7.prop1-func-interl.c[1175,1188] [2023-12-03 04:47:56,767 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:47:56,781 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:47:56,781 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:47:56 WrapperNode [2023-12-03 04:47:56,781 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:47:56,782 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:47:56,783 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:47:56,783 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:47:56,790 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:47:56" (1/1) ... [2023-12-03 04:47:56,868 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:47:56" (1/1) ... [2023-12-03 04:47:57,743 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 12190 [2023-12-03 04:47:57,744 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:47:57,744 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:47:57,744 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:47:57,745 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:47:57,754 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:47:56" (1/1) ... [2023-12-03 04:47:57,754 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:47:56" (1/1) ... [2023-12-03 04:47:57,942 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:47:56" (1/1) ... [2023-12-03 04:47:57,942 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:47:56" (1/1) ... [2023-12-03 04:47:58,352 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:47:56" (1/1) ... [2023-12-03 04:47:58,425 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:47:56" (1/1) ... [2023-12-03 04:47:58,539 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:47:56" (1/1) ... [2023-12-03 04:47:58,579 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:47:56" (1/1) ... [2023-12-03 04:47:58,789 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:47:58,790 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:47:58,790 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:47:58,790 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:47:58,791 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:47:56" (1/1) ... [2023-12-03 04:47:58,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:47:58,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:47:58,819 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:47:58,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:47:58,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:47:58,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:47:58,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:47:58,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:47:59,594 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:47:59,596 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:48:06,822 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:48:22,920 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:48:22,920 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 04:48:22,922 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:48:22 BoogieIcfgContainer [2023-12-03 04:48:22,922 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:48:22,923 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:48:22,923 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:48:22,930 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:48:22,930 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:48:22" (1/1) ... [2023-12-03 04:48:22,937 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:48:22,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:22,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 04:48:22,979 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 04:48:22,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 04:48:22,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:22,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:48:23,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:48:23,821 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:48:24,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:48:25,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:48:25,130 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:48:25,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:48:26,423 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 04:48:26,469 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-12-03 04:48:26,484 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 04:48:26 ImpRootNode [2023-12-03 04:48:26,484 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 04:48:26,485 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 04:48:26,485 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 04:48:26,485 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 04:48:26,486 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:48:22" (3/4) ... [2023-12-03 04:48:26,488 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 04:48:26,489 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 04:48:26,490 INFO L158 Benchmark]: Toolchain (without parser) took 30783.85ms. Allocated memory was 136.3MB in the beginning and 5.2GB in the end (delta: 5.1GB). Free memory was 91.0MB in the beginning and 3.9GB in the end (delta: -3.8GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2023-12-03 04:48:26,491 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 136.3MB. Free memory was 108.7MB in the beginning and 108.5MB in the end (delta: 170.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:48:26,491 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1074.69ms. Allocated memory was 136.3MB in the beginning and 165.7MB in the end (delta: 29.4MB). Free memory was 90.5MB in the beginning and 73.3MB in the end (delta: 17.2MB). Peak memory consumption was 75.4MB. Max. memory is 16.1GB. [2023-12-03 04:48:26,492 INFO L158 Benchmark]: Boogie Procedure Inliner took 961.29ms. Allocated memory was 165.7MB in the beginning and 438.3MB in the end (delta: 272.6MB). Free memory was 73.3MB in the beginning and 208.3MB in the end (delta: -135.0MB). Peak memory consumption was 152.7MB. Max. memory is 16.1GB. [2023-12-03 04:48:26,493 INFO L158 Benchmark]: Boogie Preprocessor took 1044.89ms. Allocated memory is still 438.3MB. Free memory was 208.3MB in the beginning and 151.3MB in the end (delta: 57.0MB). Peak memory consumption was 84.3MB. Max. memory is 16.1GB. [2023-12-03 04:48:26,494 INFO L158 Benchmark]: RCFGBuilder took 24132.31ms. Allocated memory was 438.3MB in the beginning and 5.2GB in the end (delta: 4.8GB). Free memory was 151.3MB in the beginning and 4.2GB in the end (delta: -4.1GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2023-12-03 04:48:26,495 INFO L158 Benchmark]: CodeCheck took 3561.10ms. Allocated memory is still 5.2GB. Free memory was 4.2GB in the beginning and 3.9GB in the end (delta: 282.1MB). Peak memory consumption was 281.0MB. Max. memory is 16.1GB. [2023-12-03 04:48:26,495 INFO L158 Benchmark]: Witness Printer took 4.24ms. Allocated memory is still 5.2GB. Free memory is still 3.9GB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:48:26,499 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 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.5s, 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: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 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: 21]: 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 bitwiseAnd at line 240. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 8); [L30] const SORT_2 msb_SORT_2 = (SORT_2)1 << (8 - 1); [L32] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 24); [L33] const SORT_3 msb_SORT_3 = (SORT_3)1 << (24 - 1); [L35] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 32); [L36] const SORT_4 msb_SORT_4 = (SORT_4)1 << (32 - 1); [L38] const SORT_2 var_5 = 0; [L39] const SORT_1 var_32 = 0; [L40] const SORT_4 var_95 = 1; [L41] const SORT_4 var_96 = 0; [L42] const SORT_2 var_111 = 1; [L43] const SORT_3 var_113 = 0; [L44] const SORT_4 var_116 = 6; [L45] const SORT_2 var_126 = 0; [L46] const SORT_4 var_239 = 2; [L47] const SORT_4 var_277 = 3; [L48] const SORT_4 var_315 = 4; [L49] const SORT_4 var_353 = 5; [L50] const SORT_2 var_566 = 5; [L51] const SORT_2 var_576 = 2; [L52] const SORT_2 var_578 = 3; [L53] const SORT_2 var_580 = 4; [L55] SORT_1 input_112; [L56] SORT_1 input_120; [L57] SORT_1 input_127; [L58] SORT_1 input_133; [L59] SORT_1 input_139; [L60] SORT_1 input_145; [L61] SORT_1 input_151; [L62] SORT_1 input_157; [L63] SORT_1 input_163; [L64] SORT_1 input_169; [L65] SORT_1 input_175; [L66] SORT_1 input_181; [L67] SORT_1 input_391; [L68] SORT_1 input_395; [L69] SORT_1 input_398; [L70] SORT_1 input_399; [L71] SORT_1 input_400; [L72] SORT_1 input_401; [L73] SORT_1 input_402; [L74] SORT_1 input_403; [L75] SORT_1 input_404; [L76] SORT_1 input_405; [L77] SORT_1 input_406; [L78] SORT_1 input_407; [L79] SORT_1 input_421; [L80] SORT_1 input_427; [L81] SORT_1 input_433; [L82] SORT_1 input_439; [L83] SORT_1 input_445; [L84] SORT_1 input_451; [L85] SORT_1 input_466; [L86] SORT_1 input_484; [L87] SORT_1 input_502; [L88] SORT_1 input_520; [L89] SORT_1 input_538; [L90] SORT_1 input_556; [L92] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L92] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L93] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L93] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L94] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L94] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L95] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L95] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L96] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L96] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L97] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L97] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L98] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L98] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L99] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L99] SORT_2 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L100] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L100] SORT_2 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L101] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L101] SORT_2 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L102] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L102] SORT_2 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L103] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L103] SORT_2 state_28 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L104] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L104] SORT_2 state_30 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L105] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L105] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L106] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L106] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L107] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L107] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L108] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L108] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L109] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L109] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L110] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L110] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L111] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L111] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L112] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L112] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L113] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L113] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L114] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L114] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L115] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L115] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L116] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L116] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L117] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L117] SORT_1 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L118] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L118] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L119] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L119] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L120] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L120] SORT_1 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L121] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L121] SORT_1 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L122] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L122] SORT_1 state_67 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L123] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L123] SORT_1 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L124] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L124] SORT_1 state_71 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L125] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L125] SORT_1 state_73 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L126] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L126] SORT_1 state_75 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L127] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L127] SORT_1 state_77 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L128] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L128] SORT_1 state_79 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L129] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L129] SORT_1 state_81 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L130] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L130] SORT_1 state_83 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L131] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L131] SORT_1 state_85 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L132] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L132] SORT_1 state_87 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L133] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L133] SORT_1 state_89 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L134] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L134] SORT_1 state_91 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L135] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L135] SORT_1 state_93 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L137] SORT_2 init_7_arg_1 = var_5; [L138] state_6 = init_7_arg_1 [L139] SORT_2 init_9_arg_1 = var_5; [L140] state_8 = init_9_arg_1 [L141] SORT_2 init_11_arg_1 = var_5; [L142] state_10 = init_11_arg_1 [L143] SORT_2 init_13_arg_1 = var_5; [L144] state_12 = init_13_arg_1 [L145] SORT_2 init_15_arg_1 = var_5; [L146] state_14 = init_15_arg_1 [L147] SORT_2 init_17_arg_1 = var_5; [L148] state_16 = init_17_arg_1 [L149] SORT_2 init_19_arg_1 = var_5; [L150] state_18 = init_19_arg_1 [L151] SORT_2 init_21_arg_1 = var_5; [L152] state_20 = init_21_arg_1 [L153] SORT_2 init_23_arg_1 = var_5; [L154] state_22 = init_23_arg_1 [L155] SORT_2 init_25_arg_1 = var_5; [L156] state_24 = init_25_arg_1 [L157] SORT_2 init_27_arg_1 = var_5; [L158] state_26 = init_27_arg_1 [L159] SORT_2 init_29_arg_1 = var_5; [L160] state_28 = init_29_arg_1 [L161] SORT_2 init_31_arg_1 = var_5; [L162] state_30 = init_31_arg_1 [L163] SORT_1 init_34_arg_1 = var_32; [L164] state_33 = init_34_arg_1 [L165] SORT_1 init_36_arg_1 = var_32; [L166] state_35 = init_36_arg_1 [L167] SORT_1 init_38_arg_1 = var_32; [L168] state_37 = init_38_arg_1 [L169] SORT_1 init_40_arg_1 = var_32; [L170] state_39 = init_40_arg_1 [L171] SORT_1 init_42_arg_1 = var_32; [L172] state_41 = init_42_arg_1 [L173] SORT_1 init_44_arg_1 = var_32; [L174] state_43 = init_44_arg_1 [L175] SORT_1 init_46_arg_1 = var_32; [L176] state_45 = init_46_arg_1 [L177] SORT_1 init_48_arg_1 = var_32; [L178] state_47 = init_48_arg_1 [L179] SORT_1 init_50_arg_1 = var_32; [L180] state_49 = init_50_arg_1 [L181] SORT_1 init_52_arg_1 = var_32; [L182] state_51 = init_52_arg_1 [L183] SORT_1 init_54_arg_1 = var_32; [L184] state_53 = init_54_arg_1 [L185] SORT_1 init_56_arg_1 = var_32; [L186] state_55 = init_56_arg_1 [L187] SORT_1 init_58_arg_1 = var_32; [L188] state_57 = init_58_arg_1 [L189] SORT_1 init_60_arg_1 = var_32; [L190] state_59 = init_60_arg_1 [L191] SORT_1 init_62_arg_1 = var_32; [L192] state_61 = init_62_arg_1 [L193] SORT_1 init_64_arg_1 = var_32; [L194] state_63 = init_64_arg_1 [L195] SORT_1 init_66_arg_1 = var_32; [L196] state_65 = init_66_arg_1 [L197] SORT_1 init_68_arg_1 = var_32; [L198] state_67 = init_68_arg_1 [L199] SORT_1 init_70_arg_1 = var_32; [L200] state_69 = init_70_arg_1 [L201] SORT_1 init_72_arg_1 = var_32; [L202] state_71 = init_72_arg_1 [L203] SORT_1 init_74_arg_1 = var_32; [L204] state_73 = init_74_arg_1 [L205] SORT_1 init_76_arg_1 = var_32; [L206] state_75 = init_76_arg_1 [L207] SORT_1 init_78_arg_1 = var_32; [L208] state_77 = init_78_arg_1 [L209] SORT_1 init_80_arg_1 = var_32; [L210] state_79 = init_80_arg_1 [L211] SORT_1 init_82_arg_1 = var_32; [L212] state_81 = init_82_arg_1 [L213] SORT_1 init_84_arg_1 = var_32; [L214] state_83 = init_84_arg_1 [L215] SORT_1 init_86_arg_1 = var_32; [L216] state_85 = init_86_arg_1 [L217] SORT_1 init_88_arg_1 = var_32; [L218] state_87 = init_88_arg_1 [L219] SORT_1 init_90_arg_1 = var_32; [L220] state_89 = init_90_arg_1 [L221] SORT_1 init_92_arg_1 = var_32; [L222] state_91 = init_92_arg_1 [L223] SORT_1 init_94_arg_1 = var_32; [L224] state_93 = init_94_arg_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_68_arg_1=0, init_70_arg_1=0, init_72_arg_1=0, init_74_arg_1=0, init_76_arg_1=0, init_78_arg_1=0, init_7_arg_1=0, init_80_arg_1=0, init_82_arg_1=0, init_84_arg_1=0, init_86_arg_1=0, init_88_arg_1=0, init_90_arg_1=0, init_92_arg_1=0, init_94_arg_1=0, init_9_arg_1=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, state_91=0, state_93=0, var_111=1, var_113=0, var_116=6, var_126=0, var_239=2, var_277=3, var_315=4, var_32=0, var_353=5, var_566=5, var_576=2, var_578=3, var_580=4, var_5=0, var_95=1, var_96=0] [L227] input_112 = __VERIFIER_nondet_uchar() [L228] input_120 = __VERIFIER_nondet_uchar() [L229] input_127 = __VERIFIER_nondet_uchar() [L230] input_133 = __VERIFIER_nondet_uchar() [L231] input_139 = __VERIFIER_nondet_uchar() [L232] input_145 = __VERIFIER_nondet_uchar() [L233] input_151 = __VERIFIER_nondet_uchar() [L234] input_157 = __VERIFIER_nondet_uchar() [L235] input_163 = __VERIFIER_nondet_uchar() [L236] input_169 = __VERIFIER_nondet_uchar() [L237] input_175 = __VERIFIER_nondet_uchar() [L238] input_181 = __VERIFIER_nondet_uchar() [L239] input_391 = __VERIFIER_nondet_uchar() [L240] EXPR input_391 & mask_SORT_1 [L240] input_391 = input_391 & mask_SORT_1 [L241] input_395 = __VERIFIER_nondet_uchar() [L242] EXPR input_395 & mask_SORT_1 [L242] input_395 = input_395 & mask_SORT_1 [L243] input_398 = __VERIFIER_nondet_uchar() [L244] EXPR input_398 & mask_SORT_1 [L244] input_398 = input_398 & mask_SORT_1 [L245] input_399 = __VERIFIER_nondet_uchar() [L246] EXPR input_399 & mask_SORT_1 [L246] input_399 = input_399 & mask_SORT_1 [L247] input_400 = __VERIFIER_nondet_uchar() [L248] EXPR input_400 & mask_SORT_1 [L248] input_400 = input_400 & mask_SORT_1 [L249] input_401 = __VERIFIER_nondet_uchar() [L250] EXPR input_401 & mask_SORT_1 [L250] input_401 = input_401 & mask_SORT_1 [L251] input_402 = __VERIFIER_nondet_uchar() [L252] EXPR input_402 & mask_SORT_1 [L252] input_402 = input_402 & mask_SORT_1 [L253] input_403 = __VERIFIER_nondet_uchar() [L254] EXPR input_403 & mask_SORT_1 [L254] input_403 = input_403 & mask_SORT_1 [L255] input_404 = __VERIFIER_nondet_uchar() [L256] EXPR input_404 & mask_SORT_1 [L256] input_404 = input_404 & mask_SORT_1 [L257] input_405 = __VERIFIER_nondet_uchar() [L258] EXPR input_405 & mask_SORT_1 [L258] input_405 = input_405 & mask_SORT_1 [L259] input_406 = __VERIFIER_nondet_uchar() [L260] EXPR input_406 & mask_SORT_1 [L260] input_406 = input_406 & mask_SORT_1 [L261] input_407 = __VERIFIER_nondet_uchar() [L262] EXPR input_407 & mask_SORT_1 [L262] input_407 = input_407 & mask_SORT_1 [L263] input_421 = __VERIFIER_nondet_uchar() [L264] EXPR input_421 & mask_SORT_1 [L264] input_421 = input_421 & mask_SORT_1 [L265] input_427 = __VERIFIER_nondet_uchar() [L266] EXPR input_427 & mask_SORT_1 [L266] input_427 = input_427 & mask_SORT_1 [L267] input_433 = __VERIFIER_nondet_uchar() [L268] EXPR input_433 & mask_SORT_1 [L268] input_433 = input_433 & mask_SORT_1 [L269] input_439 = __VERIFIER_nondet_uchar() [L270] EXPR input_439 & mask_SORT_1 [L270] input_439 = input_439 & mask_SORT_1 [L271] input_445 = __VERIFIER_nondet_uchar() [L272] EXPR input_445 & mask_SORT_1 [L272] input_445 = input_445 & mask_SORT_1 [L273] input_451 = __VERIFIER_nondet_uchar() [L274] EXPR input_451 & mask_SORT_1 [L274] input_451 = input_451 & mask_SORT_1 [L275] input_466 = __VERIFIER_nondet_uchar() [L276] input_484 = __VERIFIER_nondet_uchar() [L277] input_502 = __VERIFIER_nondet_uchar() [L278] input_520 = __VERIFIER_nondet_uchar() [L279] input_538 = __VERIFIER_nondet_uchar() [L280] input_556 = __VERIFIER_nondet_uchar() [L283] SORT_1 var_97_arg_0 = state_41; [L284] SORT_4 var_97_arg_1 = var_95; [L285] SORT_4 var_97_arg_2 = var_96; [L286] SORT_4 var_97 = var_97_arg_0 ? var_97_arg_1 : var_97_arg_2; [L287] SORT_1 var_98_arg_0 = state_51; [L288] SORT_4 var_98_arg_1 = var_95; [L289] SORT_4 var_98_arg_2 = var_96; [L290] SORT_4 var_98 = var_98_arg_0 ? var_98_arg_1 : var_98_arg_2; [L291] SORT_4 var_99_arg_0 = var_97; [L292] SORT_4 var_99_arg_1 = var_98; [L293] SORT_4 var_99 = var_99_arg_0 + var_99_arg_1; [L294] SORT_1 var_100_arg_0 = state_61; [L295] SORT_4 var_100_arg_1 = var_95; [L296] SORT_4 var_100_arg_2 = var_96; [L297] SORT_4 var_100 = var_100_arg_0 ? var_100_arg_1 : var_100_arg_2; [L298] SORT_4 var_101_arg_0 = var_99; [L299] SORT_4 var_101_arg_1 = var_100; [L300] SORT_4 var_101 = var_101_arg_0 + var_101_arg_1; [L301] SORT_1 var_102_arg_0 = state_71; [L302] SORT_4 var_102_arg_1 = var_95; [L303] SORT_4 var_102_arg_2 = var_96; [L304] SORT_4 var_102 = var_102_arg_0 ? var_102_arg_1 : var_102_arg_2; [L305] SORT_4 var_103_arg_0 = var_101; [L306] SORT_4 var_103_arg_1 = var_102; [L307] SORT_4 var_103 = var_103_arg_0 + var_103_arg_1; [L308] SORT_1 var_104_arg_0 = state_81; [L309] SORT_4 var_104_arg_1 = var_95; [L310] SORT_4 var_104_arg_2 = var_96; [L311] SORT_4 var_104 = var_104_arg_0 ? var_104_arg_1 : var_104_arg_2; [L312] SORT_4 var_105_arg_0 = var_103; [L313] SORT_4 var_105_arg_1 = var_104; [L314] SORT_4 var_105 = var_105_arg_0 + var_105_arg_1; [L315] SORT_1 var_106_arg_0 = state_91; [L316] SORT_4 var_106_arg_1 = var_95; [L317] SORT_4 var_106_arg_2 = var_96; [L318] SORT_4 var_106 = var_106_arg_0 ? var_106_arg_1 : var_106_arg_2; [L319] SORT_4 var_107_arg_0 = var_105; [L320] SORT_4 var_107_arg_1 = var_106; [L321] SORT_4 var_107 = var_107_arg_0 + var_107_arg_1; [L322] EXPR var_107 & mask_SORT_4 [L322] var_107 = var_107 & mask_SORT_4 [L323] SORT_4 var_108_arg_0 = var_107; [L324] SORT_4 var_108_arg_1 = var_95; [L325] SORT_1 var_108 = var_108_arg_0 <= var_108_arg_1; [L326] SORT_1 var_109_arg_0 = ~state_93; [L327] EXPR var_109_arg_0 & mask_SORT_1 [L327] var_109_arg_0 = var_109_arg_0 & mask_SORT_1 [L328] SORT_1 var_109_arg_1 = ~var_108; [L329] EXPR var_109_arg_1 & mask_SORT_1 [L329] var_109_arg_1 = var_109_arg_1 & mask_SORT_1 [L330] EXPR var_109_arg_0 & var_109_arg_1 [L330] SORT_1 var_109 = var_109_arg_0 & var_109_arg_1; [L331] EXPR var_109 & mask_SORT_1 [L331] var_109 = var_109 & mask_SORT_1 [L332] SORT_1 bad_110_arg_0 = var_109; [L333] CALL __VERIFIER_assert(!(bad_110_arg_0)) [L21] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L21] reach_error() VAL [\old(cond)=0, cond=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 136.3MB. Free memory was 108.7MB in the beginning and 108.5MB in the end (delta: 170.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1074.69ms. Allocated memory was 136.3MB in the beginning and 165.7MB in the end (delta: 29.4MB). Free memory was 90.5MB in the beginning and 73.3MB in the end (delta: 17.2MB). Peak memory consumption was 75.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 961.29ms. Allocated memory was 165.7MB in the beginning and 438.3MB in the end (delta: 272.6MB). Free memory was 73.3MB in the beginning and 208.3MB in the end (delta: -135.0MB). Peak memory consumption was 152.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1044.89ms. Allocated memory is still 438.3MB. Free memory was 208.3MB in the beginning and 151.3MB in the end (delta: 57.0MB). Peak memory consumption was 84.3MB. Max. memory is 16.1GB. * RCFGBuilder took 24132.31ms. Allocated memory was 438.3MB in the beginning and 5.2GB in the end (delta: 4.8GB). Free memory was 151.3MB in the beginning and 4.2GB in the end (delta: -4.1GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. * CodeCheck took 3561.10ms. Allocated memory is still 5.2GB. Free memory was 4.2GB in the beginning and 3.9GB in the end (delta: 282.1MB). Peak memory consumption was 281.0MB. Max. memory is 16.1GB. * Witness Printer took 4.24ms. Allocated memory is still 5.2GB. Free memory is still 3.9GB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 04:48:26,532 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/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_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/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_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.7.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/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 64bit --witnessprinter.graph.data.programhash de227c051b8f49d3a151b019043adc8d3b2b410c23383c7a1c8f8a9dd58aa98d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:48:28,541 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:48:28,620 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-03 04:48:28,651 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:48:28,652 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:48:28,653 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:48:28,654 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:48:28,654 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:48:28,655 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:48:28,655 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:48:28,656 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:48:28,656 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:48:28,657 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:48:28,657 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:48:28,658 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 04:48:28,658 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 04:48:28,659 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 04:48:28,660 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:48:28,660 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:48:28,661 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:48:28,661 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:48:28,662 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:48:28,662 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:48:28,663 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 04:48:28,663 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:48:28,664 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:48:28,664 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:48:28,665 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:48:28,665 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:48:28,665 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 04:48:28,666 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:48:28,666 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:48:28,667 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 04:48:28,667 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 04:48:28,667 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_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de227c051b8f49d3a151b019043adc8d3b2b410c23383c7a1c8f8a9dd58aa98d [2023-12-03 04:48:28,928 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:48:28,946 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:48:28,948 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:48:28,950 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:48:28,950 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:48:28,951 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.7.prop1-func-interl.c [2023-12-03 04:48:31,729 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:48:32,088 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:48:32,088 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.7.prop1-func-interl.c [2023-12-03 04:48:32,106 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/data/21aeef764/8a6b03f51ff1486ea5a5fd4be306c037/FLAG33cbf5d0f [2023-12-03 04:48:32,118 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/data/21aeef764/8a6b03f51ff1486ea5a5fd4be306c037 [2023-12-03 04:48:32,121 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:48:32,123 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:48:32,123 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:48:32,124 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:48:32,127 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:48:32,128 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:48:32" (1/1) ... [2023-12-03 04:48:32,129 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@559e2b05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:48:32, skipping insertion in model container [2023-12-03 04:48:32,129 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:48:32" (1/1) ... [2023-12-03 04:48:32,196 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:48:32,370 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_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.7.prop1-func-interl.c[1175,1188] [2023-12-03 04:48:32,729 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:48:32,740 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:48:32,752 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_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.7.prop1-func-interl.c[1175,1188] [2023-12-03 04:48:32,961 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:48:32,972 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:48:32,972 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:48:32 WrapperNode [2023-12-03 04:48:32,972 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:48:32,973 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:48:32,973 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:48:32,973 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:48:32,978 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:48:32" (1/1) ... [2023-12-03 04:48:33,026 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:48:32" (1/1) ... [2023-12-03 04:48:33,130 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3319 [2023-12-03 04:48:33,130 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:48:33,131 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:48:33,131 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:48:33,131 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:48:33,138 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:48:32" (1/1) ... [2023-12-03 04:48:33,138 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:48:32" (1/1) ... [2023-12-03 04:48:33,153 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:48:32" (1/1) ... [2023-12-03 04:48:33,154 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:48:32" (1/1) ... [2023-12-03 04:48:33,254 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:48:32" (1/1) ... [2023-12-03 04:48:33,262 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:48:32" (1/1) ... [2023-12-03 04:48:33,279 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:48:32" (1/1) ... [2023-12-03 04:48:33,291 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:48:32" (1/1) ... [2023-12-03 04:48:33,313 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:48:33,314 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:48:33,314 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:48:33,314 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:48:33,315 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:48:32" (1/1) ... [2023-12-03 04:48:33,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:48:33,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:48:33,342 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:48:33,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:48:33,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:48:33,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 04:48:33,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:48:33,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:48:33,881 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:48:33,883 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:48:42,995 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:48:43,202 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:48:43,202 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 04:48:43,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:48:43 BoogieIcfgContainer [2023-12-03 04:48:43,203 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:48:43,204 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:48:43,204 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:48:43,212 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:48:43,212 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:48:43" (1/1) ... [2023-12-03 04:48:43,219 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:48:43,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:43,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 04:48:43,270 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 04:48:43,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 04:48:43,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:43,273 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:48:43,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:48:43,293 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:48:43,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 04:48:44,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:44,167 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:48:44,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:44,424 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 58 conjunts are in the unsatisfiable core [2023-12-03 04:48:44,439 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:48:45,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:48:45,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 04:48:52,998 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.70s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:48:57,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.87s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:48:58,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:58,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-03 04:48:58,093 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-03 04:48:58,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:48:58,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:58,093 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:48:58,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:48:58,095 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:48:58,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 04:49:01,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:01,618 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:49:02,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:02,759 INFO L262 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-03 04:49:02,784 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:49:10,646 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:49:10,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 04:49:16,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.94s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:49:25,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.63s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:49:33,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.49s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:49:43,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.45s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:49:55,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.36s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:49:57,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:49:58,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:49:58,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:49:58,183 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:49:58,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:49:58,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:49:58,185 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:49:58,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:49:58,186 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:49:58,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 04:50:01,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:01,606 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:50:02,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:02,629 INFO L262 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-03 04:50:02,646 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:50:08,562 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:50:08,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 04:50:08,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:50:08,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:50:08,639 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:50:08,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:50:08,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:50:08,640 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:50:08,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:50:08,641 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:50:08,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 04:50:12,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:12,266 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:50:13,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:13,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-03 04:50:13,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:50:19,324 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:50:19,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 04:50:19,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:50:19,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:50:19,402 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:50:19,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:50:19,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:50:19,403 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:50:19,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:50:19,404 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:50:19,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 04:50:22,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:22,802 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:50:23,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:23,837 INFO L262 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-03 04:50:23,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:50:30,002 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:50:30,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 04:50:30,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:50:30,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:50:30,078 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:50:30,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:50:30,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:50:30,079 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:50:30,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:50:30,080 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:50:30,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 04:50:33,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:33,560 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:50:34,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:34,591 INFO L262 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-03 04:50:34,607 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:50:40,484 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:50:40,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 04:50:40,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:50:40,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:50:40,562 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:50:40,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:50:40,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:50:40,563 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:50:40,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:50:40,564 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:50:40,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 04:50:43,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:43,918 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:50:44,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:44,938 INFO L262 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-03 04:50:44,954 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:50:51,011 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:50:51,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-12-03 04:50:51,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:50:51,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:50:51,087 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:50:51,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:50:51,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:50:51,088 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:50:51,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:50:51,088 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:50:51,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 04:50:54,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:54,493 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:50:55,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:55,510 INFO L262 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-03 04:50:55,525 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:51:01,320 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:51:01,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 04:51:01,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:51:01,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:51:01,399 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:51:01,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:51:01,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:51:01,400 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:51:01,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:51:01,401 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:51:01,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 04:51:04,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:51:04,802 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:51:05,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:51:05,836 INFO L262 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-03 04:51:05,851 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:51:11,846 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:51:11,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 04:51:11,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:51:11,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:51:11,920 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:51:11,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:51:11,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:51:11,920 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:51:11,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:51:11,921 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:51:11,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 04:51:15,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:51:15,298 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:51:16,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:51:16,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-03 04:51:16,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:51:22,264 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:51:22,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 04:51:22,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:51:22,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:51:22,340 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:51:22,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:51:22,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:51:22,341 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:51:22,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:51:22,342 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:51:22,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 04:51:25,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:51:25,727 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:51:26,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:51:26,750 INFO L262 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-03 04:51:26,769 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:51:32,612 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:51:32,645 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 04:51:32,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:51:32,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:51:32,691 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:51:32,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:51:32,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:51:32,691 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:51:32,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:51:32,692 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:51:32,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 04:51:36,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:51:36,111 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:51:37,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:51:37,189 INFO L262 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-03 04:51:37,203 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:51:43,216 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:51:43,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 04:51:43,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:51:43,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:51:43,312 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:51:43,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:51:43,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:51:43,313 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:51:43,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:51:43,314 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:51:43,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 04:51:46,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:51:46,712 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:51:47,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:51:47,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-03 04:51:47,788 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:51:53,622 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:51:53,656 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 04:51:53,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:51:53,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:51:53,700 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:51:53,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:51:53,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:51:53,700 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:51:53,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:51:53,701 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:51:53,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 04:51:56,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:51:56,999 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:51:57,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:51:58,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-03 04:51:58,049 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:52:03,904 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:52:03,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 04:52:03,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:52:03,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:52:03,983 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:52:03,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:52:03,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:52:03,984 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:52:03,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:52:03,985 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:52:03,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 04:52:07,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:52:07,415 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:52:08,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:52:08,409 INFO L262 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-03 04:52:08,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:52:14,352 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:52:14,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 04:52:14,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:52:14,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:52:14,430 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:52:14,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:52:14,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:52:14,430 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:52:14,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:52:14,431 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:52:14,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 04:52:17,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:52:17,825 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:52:18,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:52:18,812 INFO L262 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-03 04:52:18,823 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:52:24,541 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:52:24,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2023-12-03 04:52:24,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:52:24,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:52:24,617 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:52:24,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:52:24,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:52:24,618 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:52:24,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:52:24,619 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:52:24,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 04:52:28,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:52:28,002 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:52:28,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:52:29,022 INFO L262 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-03 04:52:29,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:52:34,771 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:52:34,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 04:52:34,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:52:34,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:52:34,847 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:52:34,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:52:34,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:52:34,847 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:52:34,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:52:34,848 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:52:34,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 04:52:38,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:52:38,202 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:52:39,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:52:39,258 INFO L262 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-03 04:52:39,273 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:52:45,329 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:52:45,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2023-12-03 04:52:45,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:52:45,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:52:45,405 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:52:45,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:52:45,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:52:45,406 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:52:45,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:52:45,407 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:52:45,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 04:52:48,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:52:48,791 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:52:49,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:52:49,847 INFO L262 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-03 04:52:49,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:52:55,702 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:52:55,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 04:52:55,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:52:55,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:52:55,779 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:52:55,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:52:55,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:52:55,779 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:52:55,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:52:55,780 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:52:55,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 04:52:59,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:52:59,245 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:53:00,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:53:00,327 INFO L262 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-03 04:53:00,338 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:53:06,396 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:53:06,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 04:53:06,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:53:06,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:53:06,485 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:53:06,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:53:06,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:53:06,486 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:53:06,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:53:06,486 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:53:06,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 04:53:10,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:53:10,019 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:53:10,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:53:11,063 INFO L262 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-03 04:53:11,072 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:53:16,961 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:53:16,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 04:53:17,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:53:17,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:53:17,038 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:53:17,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:53:17,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:53:17,039 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:53:17,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:53:17,040 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:53:17,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 04:53:20,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:53:20,494 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:53:21,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:53:21,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-03 04:53:21,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:53:27,391 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:53:27,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 04:53:27,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:53:27,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:53:27,468 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:53:27,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:53:27,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:53:27,469 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:53:27,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:53:27,469 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:53:27,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 04:53:30,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:53:30,936 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:53:31,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:53:31,951 INFO L262 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-03 04:53:31,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:53:37,831 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:53:37,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 04:53:37,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:53:37,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:53:37,907 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:53:37,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:53:37,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:53:37,908 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:53:37,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:53:37,909 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:53:37,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 04:53:41,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:53:41,446 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:53:42,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:53:42,438 INFO L262 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-03 04:53:42,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:53:48,247 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:53:48,281 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 04:53:48,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:53:48,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:53:48,325 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:53:48,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:53:48,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:53:48,325 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:53:48,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:53:48,326 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:53:48,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 04:53:51,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:53:51,811 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:53:52,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:53:52,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-03 04:53:52,880 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:53:58,532 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:53:58,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 04:53:58,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:53:58,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:53:58,609 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:53:58,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:53:58,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:53:58,609 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:53:58,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:53:58,610 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:53:58,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 04:54:02,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:54:02,055 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:54:02,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:54:03,070 INFO L262 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-03 04:54:03,079 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:54:08,953 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:54:08,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Forceful destruction successful, exit code 0 [2023-12-03 04:54:09,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:54:09,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:54:09,028 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:54:09,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:54:09,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:54:09,029 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:54:09,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:54:09,030 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:54:09,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 04:54:12,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:54:12,440 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:54:13,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:54:13,401 INFO L262 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-03 04:54:13,410 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:54:19,315 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:54:19,349 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 04:54:19,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:54:19,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:54:19,393 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:54:19,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:54:19,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:54:19,393 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:54:19,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:54:19,394 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:54:19,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 04:54:22,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:54:22,911 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:54:23,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:54:23,962 INFO L262 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-03 04:54:23,970 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:54:29,882 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:54:29,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2023-12-03 04:54:29,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:54:29,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:54:29,972 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:54:29,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:54:29,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:54:29,972 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:54:29,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:54:29,973 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:54:29,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 04:54:33,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:54:33,457 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:54:34,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:54:34,496 INFO L262 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-03 04:54:34,504 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:54:40,578 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:54:40,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 04:54:40,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:54:40,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:54:40,663 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:54:40,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:54:40,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:54:40,664 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:54:40,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:54:40,665 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:54:40,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 04:54:44,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:54:44,057 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:54:44,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:54:45,103 INFO L262 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-03 04:54:45,116 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:54:50,916 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:54:50,951 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 04:54:50,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:54:50,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:54:50,994 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:54:50,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:54:50,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:54:50,995 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:54:50,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:54:50,995 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:54:50,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 04:54:54,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:54:54,467 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:54:55,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:54:55,564 INFO L262 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-03 04:54:55,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:55:01,484 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:55:01,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 04:55:01,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:55:01,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:55:01,579 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:55:01,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:55:01,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:55:01,580 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:55:01,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:55:01,581 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:55:01,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 04:55:05,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:55:05,076 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:55:05,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:55:06,106 INFO L262 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-03 04:55:06,114 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:55:11,817 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:55:11,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-03 04:55:11,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:55:11,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:55:11,893 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:55:11,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:55:11,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:55:11,894 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:55:11,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:55:11,895 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:55:11,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 04:55:15,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:55:15,375 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:55:16,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:55:16,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-03 04:55:16,397 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:55:22,094 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:55:22,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 04:55:22,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:55:22,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:55:22,173 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:55:22,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:55:22,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:55:22,173 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:55:22,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:55:22,174 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:55:22,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 04:55:25,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:55:25,704 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:55:26,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:55:26,711 INFO L262 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-03 04:55:26,719 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:55:32,522 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:55:32,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 04:55:32,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:55:32,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:55:32,597 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:55:32,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:55:32,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:55:32,597 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:55:32,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:55:32,598 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:55:32,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 04:55:35,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:55:35,997 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:55:36,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:55:36,985 INFO L262 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-03 04:55:36,993 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:55:42,853 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:55:42,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 04:55:42,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:55:42,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:55:42,932 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:55:42,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:55:42,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:55:42,933 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:55:42,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:55:42,934 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:55:42,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 04:55:46,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:55:46,404 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:55:47,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:55:47,482 INFO L262 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-03 04:55:47,491 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:55:53,513 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:55:53,548 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 04:55:53,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:55:53,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:55:53,611 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:55:53,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:55:53,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:55:53,611 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:55:53,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:55:53,612 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:55:53,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 04:55:57,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:55:57,212 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:55:58,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:55:58,276 INFO L262 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-03 04:55:58,284 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:56:04,211 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:56:04,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-03 04:56:04,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:56:04,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:56:04,287 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:56:04,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:56:04,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:56:04,287 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:56:04,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:56:04,288 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:56:04,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 04:56:07,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:56:07,885 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:56:08,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:56:08,915 INFO L262 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-03 04:56:08,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:56:14,798 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:56:14,833 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-03 04:56:14,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:56:14,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:56:14,876 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:56:14,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:56:14,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:56:14,877 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:56:14,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:56:14,878 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:56:14,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 04:56:18,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:56:18,410 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:56:19,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:56:19,475 INFO L262 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-03 04:56:19,483 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:56:25,334 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:56:25,370 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-03 04:56:25,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:56:25,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:56:25,411 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:56:25,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:56:25,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:56:25,412 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:56:25,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:56:25,412 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:56:25,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 04:56:28,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:56:28,970 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:56:29,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:56:30,000 INFO L262 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-03 04:56:30,009 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:56:35,774 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:56:35,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-03 04:56:35,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:56:35,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:56:35,850 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:56:35,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:56:35,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:56:35,850 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:56:35,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:56:35,851 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:56:35,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 04:56:39,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:56:39,395 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:56:40,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:56:40,466 INFO L262 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-03 04:56:40,474 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:56:46,451 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:56:46,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 04:56:46,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:56:46,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:56:46,532 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:56:46,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:56:46,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:56:46,532 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:56:46,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:56:46,533 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:56:46,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 04:56:50,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:56:50,094 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:56:51,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:56:51,135 INFO L262 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-03 04:56:51,143 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:56:57,152 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:56:57,188 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-03 04:56:57,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:56:57,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:56:57,255 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:56:57,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:56:57,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:56:57,256 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:56:57,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:56:57,257 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:56:57,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 04:57:00,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:57:00,854 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:57:01,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:57:01,861 INFO L262 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-03 04:57:01,870 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:57:07,971 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:57:08,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-03 04:57:08,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:57:08,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:57:08,049 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:57:08,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:57:08,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:57:08,050 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:57:08,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:57:08,051 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:57:08,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 04:57:11,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:57:11,626 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:57:12,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:57:12,617 INFO L262 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-03 04:57:12,627 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:57:18,723 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:57:18,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-03 04:57:18,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:57:18,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:57:18,804 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:57:18,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:57:18,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:57:18,805 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:57:18,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:57:18,805 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:57:18,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 04:57:22,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:57:22,432 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:57:23,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:57:23,473 INFO L262 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-03 04:57:23,486 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:57:29,362 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:57:29,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-03 04:57:29,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:57:29,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:57:29,439 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:57:29,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:57:29,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:57:29,440 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:57:29,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:57:29,441 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:57:29,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 04:57:33,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:57:33,006 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:57:33,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:57:34,045 INFO L262 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-03 04:57:34,053 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:57:39,939 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:57:39,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 04:57:40,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:57:40,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:57:40,017 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:57:40,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:57:40,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:57:40,018 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:57:40,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:57:40,019 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:57:40,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 04:57:43,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:57:43,499 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:57:44,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:57:44,581 INFO L262 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-03 04:57:44,589 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:57:50,496 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:57:50,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-03 04:57:50,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:57:50,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:57:50,597 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:57:50,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:57:50,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:57:50,598 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:57:50,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:57:50,598 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:57:50,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 04:57:54,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:57:54,106 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:57:55,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:57:55,136 INFO L262 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-03 04:57:55,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:58:01,235 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:58:01,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-03 04:58:01,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:01,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:58:01,312 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:58:01,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:58:01,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:01,312 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:58:01,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:58:01,313 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:58:01,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 04:58:04,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:04,948 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:58:05,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:06,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-03 04:58:06,046 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:58:11,863 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:58:11,900 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-03 04:58:11,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:11,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:58:11,941 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:58:11,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:58:11,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:11,942 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:58:11,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:58:11,943 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:58:11,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 04:58:15,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:15,614 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:58:16,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:16,650 INFO L262 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-03 04:58:16,658 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:58:22,530 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:58:22,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-03 04:58:22,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:22,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:58:22,608 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:58:22,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:58:22,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:22,608 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:58:22,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:58:22,609 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:58:22,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-03 04:58:26,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:26,396 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:58:27,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:27,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-03 04:58:27,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:58:33,358 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:58:33,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-03 04:58:33,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:33,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:58:33,435 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:58:33,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:58:33,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:33,436 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:58:33,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:58:33,437 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:58:33,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-03 04:58:36,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:36,959 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:58:37,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:38,003 INFO L262 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-03 04:58:38,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:58:43,928 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:58:43,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-03 04:58:44,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:44,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:58:44,007 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:58:44,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:58:44,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:44,007 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:58:44,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:58:44,008 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:58:44,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-03 04:58:47,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:47,547 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:58:48,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:48,603 INFO L262 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-03 04:58:48,612 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:58:54,628 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:58:54,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-03 04:58:54,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:54,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:58:54,705 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:58:54,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:58:54,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:54,706 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:58:54,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:58:54,706 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:58:54,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-03 04:58:58,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:58,308 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:58:59,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:59,334 INFO L262 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-03 04:58:59,342 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:59:05,452 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:59:05,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Forceful destruction successful, exit code 0 [2023-12-03 04:59:05,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:59:05,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:59:05,541 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:59:05,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:59:05,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:59:05,542 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:59:05,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:59:05,543 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:59:05,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-03 04:59:09,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:59:09,214 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:59:10,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:59:10,248 INFO L262 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-03 04:59:10,257 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:59:16,358 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:59:16,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-03 04:59:16,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:59:16,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:59:16,437 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:59:16,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:59:16,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:59:16,437 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:59:16,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:59:16,438 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:59:16,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-03 04:59:19,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:59:19,976 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:59:20,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:59:21,057 INFO L262 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-03 04:59:21,065 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:59:26,916 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:59:26,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-03 04:59:26,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:59:26,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:59:26,997 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:59:26,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:59:26,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:59:26,997 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:59:26,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:59:26,998 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:59:27,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-03 04:59:30,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:59:30,758 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:59:31,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:59:31,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-03 04:59:31,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:59:37,875 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:59:37,912 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-03 04:59:37,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:59:37,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:59:37,955 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:59:37,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:59:37,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:59:37,955 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:59:37,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:59:37,956 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:59:37,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-03 04:59:41,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:59:41,599 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:59:42,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:59:42,621 INFO L262 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-03 04:59:42,629 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:59:48,607 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:59:48,645 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2023-12-03 04:59:48,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:59:48,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:59:48,685 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:59:48,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:59:48,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:59:48,686 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:59:48,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:59:48,686 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:59:48,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-03 04:59:52,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:59:52,231 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:59:53,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:59:53,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-03 04:59:53,308 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:59:59,452 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:59:59,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2023-12-03 04:59:59,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:59:59,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:59:59,530 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:59:59,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:59:59,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:59:59,530 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:59:59,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:59:59,531 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:59:59,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-03 05:00:03,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:00:03,236 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:00:04,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:00:04,262 INFO L262 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-03 05:00:04,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:00:10,248 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:00:10,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2023-12-03 05:00:10,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:00:10,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 05:00:10,327 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 05:00:10,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 05:00:10,327 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:00:10,327 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:00:10,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:00:10,328 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:00:10,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-03 05:00:13,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:00:13,933 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:00:14,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:00:14,973 INFO L262 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-03 05:00:14,982 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:00:20,828 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:00:20,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2023-12-03 05:00:20,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:00:20,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 05:00:20,909 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 05:00:20,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 05:00:20,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:00:20,910 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:00:20,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:00:20,911 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:00:20,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-03 05:00:24,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:00:24,515 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:00:25,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:00:25,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-03 05:00:25,600 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:00:31,634 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:00:31,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2023-12-03 05:00:31,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:00:31,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 05:00:31,716 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 05:00:31,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 05:00:31,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:00:31,716 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:00:31,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:00:31,717 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:00:31,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-03 05:00:35,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:00:35,331 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:00:36,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:00:36,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-03 05:00:36,404 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:00:42,376 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:00:42,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2023-12-03 05:00:42,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:00:42,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 05:00:42,460 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 05:00:42,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 05:00:42,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:00:42,460 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:00:42,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:00:42,461 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:00:42,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2023-12-03 05:00:46,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:00:46,050 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:00:46,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:00:47,100 INFO L262 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-03 05:00:47,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:00:53,115 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:00:53,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2023-12-03 05:00:53,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:00:53,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 05:00:53,197 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 05:00:53,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 05:00:53,197 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:00:53,197 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:00:53,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:00:53,198 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:00:53,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-12-03 05:00:56,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:00:56,780 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:00:57,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:00:57,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-03 05:00:57,881 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:01:03,810 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:01:03,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2023-12-03 05:01:03,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:01:03,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 05:01:03,896 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 05:01:03,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 05:01:03,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:01:03,896 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:01:03,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:01:03,897 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:01:03,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2023-12-03 05:01:07,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:01:07,584 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:01:08,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:01:08,580 INFO L262 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-03 05:01:08,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:01:14,342 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:01:14,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2023-12-03 05:01:14,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:01:14,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 05:01:14,421 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 05:01:14,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 05:01:14,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:01:14,421 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:01:14,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:01:14,422 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:01:14,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2023-12-03 05:01:18,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:01:18,008 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:01:18,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:01:19,057 INFO L262 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-03 05:01:19,066 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:01:24,946 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:01:24,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2023-12-03 05:01:25,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:01:25,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 05:01:25,027 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 05:01:25,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 05:01:25,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:01:25,027 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:01:25,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:01:25,028 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:01:25,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2023-12-03 05:01:28,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:01:28,687 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:01:29,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:01:29,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-03 05:01:29,744 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:01:35,784 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 05:01:35,824 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Forceful destruction successful, exit code 0 [2023-12-03 05:01:35,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:01:35,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 05:01:35,865 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 05:01:35,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 05:01:35,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:01:35,866 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:01:35,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:01:35,866 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:01:35,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_018ccbe6-cb5a-4d65-b2f9-336f0dec37d0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2023-12-03 05:01:39,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:01:39,544 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:01:40,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:01:40,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-03 05:01:40,579 INFO L285 TraceCheckSpWp]: Computing forward predicates...