./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/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_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0dff9798a0295b679f16f480562390718a9087ab219890b5f7fb9fb3739a540b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:31:17,036 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:31:17,107 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 00:31:17,111 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:31:17,112 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:31:17,137 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:31:17,138 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:31:17,139 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:31:17,139 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:31:17,140 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:31:17,141 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:31:17,141 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:31:17,142 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:31:17,142 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:31:17,143 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:31:17,143 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:31:17,144 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:31:17,144 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:31:17,145 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:31:17,145 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:31:17,146 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:31:17,147 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:31:17,147 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:31:17,148 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:31:17,148 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:31:17,149 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:31:17,149 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:31:17,150 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:31:17,150 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:31:17,150 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:31:17,151 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:31:17,151 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:31:17,152 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:31:17,152 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_ee65976a-464c-4134-9ad9-733556eaaed3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0dff9798a0295b679f16f480562390718a9087ab219890b5f7fb9fb3739a540b [2023-12-03 00:31:17,373 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:31:17,393 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:31:17,396 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:31:17,397 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:31:17,398 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:31:17,399 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i [2023-12-03 00:31:20,221 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:31:20,483 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:31:20,483 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i [2023-12-03 00:31:20,502 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/data/22e0b5772/8fe5ee152bca4f2abdff3c612a6713da/FLAGb171981e9 [2023-12-03 00:31:20,518 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/data/22e0b5772/8fe5ee152bca4f2abdff3c612a6713da [2023-12-03 00:31:20,521 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:31:20,523 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:31:20,524 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:31:20,524 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:31:20,529 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:31:20,529 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:31:20" (1/1) ... [2023-12-03 00:31:20,531 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c86d3e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:20, skipping insertion in model container [2023-12-03 00:31:20,531 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:31:20" (1/1) ... [2023-12-03 00:31:20,586 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:31:20,920 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_ee65976a-464c-4134-9ad9-733556eaaed3/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i[33021,33034] [2023-12-03 00:31:21,014 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_ee65976a-464c-4134-9ad9-733556eaaed3/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i[44124,44137] [2023-12-03 00:31:21,016 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_ee65976a-464c-4134-9ad9-733556eaaed3/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i[44245,44258] [2023-12-03 00:31:21,034 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:31:21,045 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:31:21,074 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_ee65976a-464c-4134-9ad9-733556eaaed3/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i[33021,33034] [2023-12-03 00:31:21,123 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_ee65976a-464c-4134-9ad9-733556eaaed3/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i[44124,44137] [2023-12-03 00:31:21,124 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_ee65976a-464c-4134-9ad9-733556eaaed3/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i[44245,44258] [2023-12-03 00:31:21,132 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:31:21,159 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:31:21,165 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:31:21,166 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:21 WrapperNode [2023-12-03 00:31:21,166 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:31:21,167 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:31:21,167 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:31:21,167 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:31:21,173 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:21" (1/1) ... [2023-12-03 00:31:21,230 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:21" (1/1) ... [2023-12-03 00:31:21,306 INFO L138 Inliner]: procedures = 176, calls = 328, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1494 [2023-12-03 00:31:21,307 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:31:21,308 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:31:21,308 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:31:21,308 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:31:21,316 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:21" (1/1) ... [2023-12-03 00:31:21,317 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:21" (1/1) ... [2023-12-03 00:31:21,329 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:21" (1/1) ... [2023-12-03 00:31:21,329 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:21" (1/1) ... [2023-12-03 00:31:21,391 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:21" (1/1) ... [2023-12-03 00:31:21,409 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:21" (1/1) ... [2023-12-03 00:31:21,415 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:21" (1/1) ... [2023-12-03 00:31:21,424 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:21" (1/1) ... [2023-12-03 00:31:21,436 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:31:21,437 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:31:21,438 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:31:21,438 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:31:21,439 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:21" (1/1) ... [2023-12-03 00:31:21,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:31:21,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:31:21,466 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:31:21,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:31:21,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 00:31:21,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 00:31:21,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 00:31:21,500 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 00:31:21,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 00:31:21,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:31:21,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 00:31:21,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 00:31:21,501 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-03 00:31:21,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 00:31:21,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:31:21,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:31:21,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:31:21,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:31:21,710 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:31:21,711 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:31:23,107 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:31:24,465 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:31:24,465 INFO L309 CfgBuilder]: Removed 72 assume(true) statements. [2023-12-03 00:31:24,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:31:24 BoogieIcfgContainer [2023-12-03 00:31:24,467 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:31:24,468 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:31:24,468 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:31:24,475 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:31:24,476 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:31:24" (1/1) ... [2023-12-03 00:31:24,483 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:31:24,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:31:24,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 131 states and 223 transitions. [2023-12-03 00:31:24,537 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 223 transitions. [2023-12-03 00:31:24,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:31:24,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:31:24,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:31:24,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:31:24,724 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 00:31:24,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:31:24,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 131 states and 220 transitions. [2023-12-03 00:31:24,745 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 220 transitions. [2023-12-03 00:31:24,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 00:31:24,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:31:24,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:31:24,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:31:24,907 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 00:31:24,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:31:24,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 133 states and 223 transitions. [2023-12-03 00:31:24,949 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 223 transitions. [2023-12-03 00:31:24,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 00:31:24,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:31:24,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:31:25,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:31:25,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:31:25,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:31:25,069 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:31:25,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:31:25,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 133 states and 221 transitions. [2023-12-03 00:31:25,076 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 221 transitions. [2023-12-03 00:31:25,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 00:31:25,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:31:25,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:31:25,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:31:25,180 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:31:25,183 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:31:25,185 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:31:25,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:31:25,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 133 states and 217 transitions. [2023-12-03 00:31:25,194 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 217 transitions. [2023-12-03 00:31:25,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 00:31:25,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:31:25,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:31:25,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:31:25,311 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:31:25,313 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:31:25,316 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:31:25,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:31:25,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 133 states and 211 transitions. [2023-12-03 00:31:25,324 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 211 transitions. [2023-12-03 00:31:25,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 00:31:25,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:31:25,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:31:25,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:31:25,475 INFO L262 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:31:25,478 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:31:25,482 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:31:35,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:31:35,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:31:35,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 133 states and 203 transitions. [2023-12-03 00:31:35,559 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 203 transitions. [2023-12-03 00:31:35,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 00:31:35,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:31:35,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:31:35,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:31:35,807 INFO L262 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:31:35,848 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:31:35,936 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:31:46,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:31:56,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:32:06,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:32:16,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:32:16,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:32:16,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 146 states and 218 transitions. [2023-12-03 00:32:16,452 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 218 transitions. [2023-12-03 00:32:16,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 00:32:16,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:32:16,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:32:16,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:16,653 INFO L262 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:32:16,657 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:32:16,661 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:32:16,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:32:16,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 146 states and 216 transitions. [2023-12-03 00:32:16,670 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 216 transitions. [2023-12-03 00:32:16,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-03 00:32:16,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:32:16,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:32:16,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:16,904 INFO L262 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:32:16,908 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:32:16,910 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:32:26,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:32:26,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:32:26,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 146 states and 214 transitions. [2023-12-03 00:32:26,980 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 214 transitions. [2023-12-03 00:32:26,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 00:32:26,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:32:26,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:32:27,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:27,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:32:27,296 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:32:27,378 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:32:37,394 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:32:47,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:32:57,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:33:07,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:33:07,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:33:07,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 149 states and 216 transitions. [2023-12-03 00:33:07,561 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 216 transitions. [2023-12-03 00:33:07,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:33:07,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:33:07,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:33:07,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:07,821 INFO L262 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 00:33:07,825 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:33:07,865 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-12-03 00:33:07,905 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:33:07,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:33:07,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 151 states and 220 transitions. [2023-12-03 00:33:07,965 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 220 transitions. [2023-12-03 00:33:07,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:33:07,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:33:07,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:33:08,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:08,240 INFO L262 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:33:08,243 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:33:08,247 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:33:08,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:33:08,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 151 states and 217 transitions. [2023-12-03 00:33:08,288 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 217 transitions. [2023-12-03 00:33:08,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:33:08,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:33:08,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:33:08,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:08,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:33:08,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:33:08,547 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:33:08,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:33:08,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 151 states and 213 transitions. [2023-12-03 00:33:08,556 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 213 transitions. [2023-12-03 00:33:08,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:33:08,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:33:08,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:33:08,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:08,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 500 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:33:08,807 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:33:08,811 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:33:08,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:33:08,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 151 states and 211 transitions. [2023-12-03 00:33:08,819 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 211 transitions. [2023-12-03 00:33:08,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 00:33:08,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:33:08,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:33:09,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:09,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 537 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:33:09,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:33:09,148 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:33:19,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:33:19,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:33:19,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 151 states and 209 transitions. [2023-12-03 00:33:19,199 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 209 transitions. [2023-12-03 00:33:19,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 00:33:19,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:33:19,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:33:19,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:19,492 INFO L262 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:33:19,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:33:19,610 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 00:33:29,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:33:39,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:33:49,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:33:59,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:34:10,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:34:20,678 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:34:30,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:34:40,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:34:40,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:40,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 197 states and 269 transitions. [2023-12-03 00:34:40,767 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 269 transitions. [2023-12-03 00:34:40,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 00:34:40,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:40,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:41,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:41,079 INFO L262 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:34:41,081 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:34:41,084 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:34:41,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:41,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 197 states and 265 transitions. [2023-12-03 00:34:41,099 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 265 transitions. [2023-12-03 00:34:41,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 00:34:41,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:41,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:41,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:41,401 INFO L262 TraceCheckSpWp]: Trace formula consists of 560 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:34:41,403 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:34:41,407 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:34:51,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:34:51,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:51,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 197 states and 263 transitions. [2023-12-03 00:34:51,456 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 263 transitions. [2023-12-03 00:34:51,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 00:34:51,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:51,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:51,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:51,804 INFO L262 TraceCheckSpWp]: Trace formula consists of 569 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:34:51,807 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:34:51,881 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:35:01,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:35:11,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:35:21,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:35:32,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:35:32,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:35:32,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 200 states and 265 transitions. [2023-12-03 00:35:32,057 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 265 transitions. [2023-12-03 00:35:32,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 00:35:32,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:35:32,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:35:32,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:32,351 INFO L262 TraceCheckSpWp]: Trace formula consists of 587 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:35:32,353 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:35:32,357 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 00:35:32,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:35:32,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 200 states and 263 transitions. [2023-12-03 00:35:32,407 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 263 transitions. [2023-12-03 00:35:32,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 00:35:32,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:35:32,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:35:32,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:32,697 INFO L262 TraceCheckSpWp]: Trace formula consists of 569 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:35:32,699 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:35:32,788 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:35:42,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:35:52,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:36:02,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:36:12,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:36:12,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:12,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 183 states and 242 transitions. [2023-12-03 00:36:12,932 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 242 transitions. [2023-12-03 00:36:12,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:36:12,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:12,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:36:23,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 00:36:23,202 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 00:36:23,205 INFO L158 Benchmark]: Toolchain (without parser) took 302682.44ms. Allocated memory was 148.9MB in the beginning and 308.3MB in the end (delta: 159.4MB). Free memory was 100.6MB in the beginning and 162.3MB in the end (delta: -61.7MB). Peak memory consumption was 99.6MB. Max. memory is 16.1GB. [2023-12-03 00:36:23,205 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 148.9MB. Free memory is still 90.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:36:23,206 INFO L158 Benchmark]: CACSL2BoogieTranslator took 641.91ms. Allocated memory is still 148.9MB. Free memory was 100.3MB in the beginning and 66.0MB in the end (delta: 34.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-12-03 00:36:23,206 INFO L158 Benchmark]: Boogie Procedure Inliner took 140.42ms. Allocated memory was 148.9MB in the beginning and 209.7MB in the end (delta: 60.8MB). Free memory was 66.0MB in the beginning and 171.6MB in the end (delta: -105.6MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2023-12-03 00:36:23,207 INFO L158 Benchmark]: Boogie Preprocessor took 128.79ms. Allocated memory is still 209.7MB. Free memory was 171.6MB in the beginning and 161.2MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 00:36:23,208 INFO L158 Benchmark]: RCFGBuilder took 3029.60ms. Allocated memory was 209.7MB in the beginning and 253.8MB in the end (delta: 44.0MB). Free memory was 161.2MB in the beginning and 80.5MB in the end (delta: 80.7MB). Peak memory consumption was 138.4MB. Max. memory is 16.1GB. [2023-12-03 00:36:23,208 INFO L158 Benchmark]: CodeCheck took 298736.66ms. Allocated memory was 253.8MB in the beginning and 308.3MB in the end (delta: 54.5MB). Free memory was 80.5MB in the beginning and 162.3MB in the end (delta: -81.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:36:23,211 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 148.9MB. Free memory is still 90.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 641.91ms. Allocated memory is still 148.9MB. Free memory was 100.3MB in the beginning and 66.0MB in the end (delta: 34.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 140.42ms. Allocated memory was 148.9MB in the beginning and 209.7MB in the end (delta: 60.8MB). Free memory was 66.0MB in the beginning and 171.6MB in the end (delta: -105.6MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 128.79ms. Allocated memory is still 209.7MB. Free memory was 171.6MB in the beginning and 161.2MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 3029.60ms. Allocated memory was 209.7MB in the beginning and 253.8MB in the end (delta: 44.0MB). Free memory was 161.2MB in the beginning and 80.5MB in the end (delta: 80.7MB). Peak memory consumption was 138.4MB. Max. memory is 16.1GB. * CodeCheck took 298736.66ms. Allocated memory was 253.8MB in the beginning and 308.3MB in the end (delta: 54.5MB). Free memory was 80.5MB in the beginning and 162.3MB in the end (delta: -81.8MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 00:36:23,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/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_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/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_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0dff9798a0295b679f16f480562390718a9087ab219890b5f7fb9fb3739a540b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:36:25,123 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:36:25,202 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 00:36:25,234 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:36:25,235 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:36:25,236 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:36:25,237 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:36:25,237 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:36:25,238 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:36:25,238 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:36:25,239 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:36:25,239 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:36:25,240 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:36:25,240 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:36:25,241 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:36:25,241 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:36:25,242 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 00:36:25,243 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 00:36:25,243 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 00:36:25,244 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:36:25,244 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:36:25,245 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:36:25,245 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:36:25,246 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:36:25,246 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:36:25,247 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:36:25,247 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 00:36:25,248 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:36:25,248 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:36:25,249 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:36:25,249 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:36:25,250 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:36:25,250 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 00:36:25,250 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:36:25,251 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:36:25,251 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 00:36:25,251 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 00:36:25,251 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_ee65976a-464c-4134-9ad9-733556eaaed3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0dff9798a0295b679f16f480562390718a9087ab219890b5f7fb9fb3739a540b [2023-12-03 00:36:25,523 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:36:25,542 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:36:25,545 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:36:25,546 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:36:25,547 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:36:25,548 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i [2023-12-03 00:36:28,369 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:36:28,663 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:36:28,664 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i [2023-12-03 00:36:28,682 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/data/5c530c362/ae20f208656b44768c5e4999ffbe77ab/FLAG70be25fe8 [2023-12-03 00:36:28,698 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/data/5c530c362/ae20f208656b44768c5e4999ffbe77ab [2023-12-03 00:36:28,700 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:36:28,702 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:36:28,703 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:36:28,704 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:36:28,708 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:36:28,709 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:36:28" (1/1) ... [2023-12-03 00:36:28,710 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11cea8d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:36:28, skipping insertion in model container [2023-12-03 00:36:28,711 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:36:28" (1/1) ... [2023-12-03 00:36:28,801 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:36:29,211 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_ee65976a-464c-4134-9ad9-733556eaaed3/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i[33021,33034] [2023-12-03 00:36:29,304 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_ee65976a-464c-4134-9ad9-733556eaaed3/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i[44124,44137] [2023-12-03 00:36:29,305 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_ee65976a-464c-4134-9ad9-733556eaaed3/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i[44245,44258] [2023-12-03 00:36:29,323 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:36:29,337 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 00:36:29,351 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:36:29,371 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_ee65976a-464c-4134-9ad9-733556eaaed3/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i[33021,33034] [2023-12-03 00:36:29,431 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_ee65976a-464c-4134-9ad9-733556eaaed3/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i[44124,44137] [2023-12-03 00:36:29,432 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_ee65976a-464c-4134-9ad9-733556eaaed3/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i[44245,44258] [2023-12-03 00:36:29,454 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:36:29,459 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:36:29,487 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_ee65976a-464c-4134-9ad9-733556eaaed3/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i[33021,33034] [2023-12-03 00:36:29,521 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_ee65976a-464c-4134-9ad9-733556eaaed3/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i[44124,44137] [2023-12-03 00:36:29,522 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_ee65976a-464c-4134-9ad9-733556eaaed3/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test7-2.i[44245,44258] [2023-12-03 00:36:29,529 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:36:29,563 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:36:29,570 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:36:29,571 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:36:29 WrapperNode [2023-12-03 00:36:29,571 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:36:29,572 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:36:29,572 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:36:29,572 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:36:29,579 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:36:29" (1/1) ... [2023-12-03 00:36:29,610 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:36:29" (1/1) ... [2023-12-03 00:36:29,663 INFO L138 Inliner]: procedures = 179, calls = 328, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1160 [2023-12-03 00:36:29,664 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:36:29,664 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:36:29,665 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:36:29,665 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:36:29,674 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:36:29" (1/1) ... [2023-12-03 00:36:29,674 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:36:29" (1/1) ... [2023-12-03 00:36:29,683 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:36:29" (1/1) ... [2023-12-03 00:36:29,683 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:36:29" (1/1) ... [2023-12-03 00:36:29,730 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:36:29" (1/1) ... [2023-12-03 00:36:29,742 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:36:29" (1/1) ... [2023-12-03 00:36:29,748 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:36:29" (1/1) ... [2023-12-03 00:36:29,755 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:36:29" (1/1) ... [2023-12-03 00:36:29,766 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:36:29,767 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:36:29,767 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:36:29,768 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:36:29,769 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:36:29" (1/1) ... [2023-12-03 00:36:29,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:36:29,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:36:29,796 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:36:29,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:36:29,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-03 00:36:29,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 00:36:29,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 00:36:29,832 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 00:36:29,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 00:36:29,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:36:29,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 00:36:29,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 00:36:29,833 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-03 00:36:29,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 00:36:29,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:36:29,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 00:36:29,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 00:36:29,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:36:29,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:36:30,066 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:36:30,068 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:36:44,872 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:36:45,391 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:36:45,392 INFO L309 CfgBuilder]: Removed 72 assume(true) statements. [2023-12-03 00:36:45,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:36:45 BoogieIcfgContainer [2023-12-03 00:36:45,394 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:36:45,395 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:36:45,395 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:36:45,404 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:36:45,404 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:36:45" (1/1) ... [2023-12-03 00:36:45,413 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:36:45,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:45,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 131 states and 223 transitions. [2023-12-03 00:36:45,471 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 223 transitions. [2023-12-03 00:36:45,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:36:45,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:45,473 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:36:45,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:36:45,504 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:36:45,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 00:36:45,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:45,803 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:36:45,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:45,880 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:36:45,886 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:36:45,905 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 00:36:45,908 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 00:36:45,913 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 00:36:45,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:45,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 131 states and 220 transitions. [2023-12-03 00:36:45,947 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 220 transitions. [2023-12-03 00:36:45,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 00:36:45,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:45,948 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:36:45,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:36:45,949 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:36:45,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 00:36:46,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:46,245 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:36:46,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:46,312 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:36:46,315 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:36:46,454 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 00:36:46,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 00:36:47,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:47,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 138 states and 230 transitions. [2023-12-03 00:36:47,098 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 230 transitions. [2023-12-03 00:36:47,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 00:36:47,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:47,099 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:36:47,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:36:47,105 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:36:47,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 00:36:47,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:47,372 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:36:47,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:47,432 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:36:47,434 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:36:47,436 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 00:36:47,439 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 00:36:47,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 00:36:47,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:47,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 138 states and 227 transitions. [2023-12-03 00:36:47,448 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 227 transitions. [2023-12-03 00:36:47,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 00:36:47,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:47,453 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:36:47,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:36:47,454 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:36:47,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 00:36:47,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:47,711 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:36:47,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:47,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:36:47,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:36:47,776 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 00:36:47,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 00:36:47,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:47,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 138 states and 223 transitions. [2023-12-03 00:36:47,787 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 223 transitions. [2023-12-03 00:36:47,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 00:36:47,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:47,789 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:36:47,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:36:47,790 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:36:47,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 00:36:48,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:48,121 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:36:48,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:48,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:36:48,214 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:36:48,217 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:36:48,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-12-03 00:36:48,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:48,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 138 states and 221 transitions. [2023-12-03 00:36:48,231 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 221 transitions. [2023-12-03 00:36:48,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 00:36:48,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:48,233 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:36:48,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:36:48,234 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:36:48,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 00:36:48,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:48,507 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:36:48,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:48,563 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:36:48,570 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:36:48,573 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 00:36:48,576 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-12-03 00:36:48,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:48,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 138 states and 219 transitions. [2023-12-03 00:36:48,582 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 219 transitions. [2023-12-03 00:36:48,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 00:36:48,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:48,584 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:36:48,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:36:48,585 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:36:48,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 00:36:48,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:48,872 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:36:48,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:48,967 INFO L262 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:36:48,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:36:48,971 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:36:48,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 00:36:48,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:48,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 138 states and 215 transitions. [2023-12-03 00:36:48,983 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 215 transitions. [2023-12-03 00:36:48,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 00:36:48,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:48,985 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:36:48,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:36:48,986 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:36:48,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 00:36:49,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:49,271 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:36:49,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:49,335 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:36:49,338 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:36:49,341 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 00:36:49,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 00:36:49,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:49,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 138 states and 213 transitions. [2023-12-03 00:36:49,368 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 213 transitions. [2023-12-03 00:36:49,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:36:49,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:49,369 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:36:49,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:36:49,370 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:36:49,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 00:36:49,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:49,743 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:36:49,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:49,845 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 00:36:49,848 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:36:49,876 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 00:36:49,877 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 00:36:49,878 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 00:36:49,888 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2023-12-03 00:36:49,994 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 00:36:49,994 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2023-12-03 00:36:50,029 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 00:36:50,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2023-12-03 00:36:50,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:50,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 140 states and 216 transitions. [2023-12-03 00:36:50,745 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 216 transitions. [2023-12-03 00:36:50,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 00:36:50,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:50,746 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:36:50,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:36:50,746 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:36:50,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 00:36:51,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:51,009 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:36:51,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:51,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:36:51,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:36:51,147 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:36:51,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 00:36:51,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:51,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 140 states and 210 transitions. [2023-12-03 00:36:51,164 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 210 transitions. [2023-12-03 00:36:51,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 00:36:51,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:51,165 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:36:51,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:36:51,166 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:36:51,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 00:36:51,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:51,571 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:36:51,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:51,764 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:36:51,766 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:36:51,768 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:36:51,771 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 00:36:52,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:52,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 140 states and 204 transitions. [2023-12-03 00:36:52,227 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 204 transitions. [2023-12-03 00:36:52,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 00:36:52,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:52,228 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:36:52,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:36:52,229 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:36:52,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 00:36:52,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:52,739 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:36:52,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:52,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:36:52,963 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:36:53,052 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:36:53,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2023-12-03 00:36:53,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:53,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 151 states and 215 transitions. [2023-12-03 00:36:53,510 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 215 transitions. [2023-12-03 00:36:53,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 00:36:53,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:53,511 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:36:53,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:36:53,512 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:36:53,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 00:36:53,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:53,906 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:36:54,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:54,105 INFO L262 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:36:54,106 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:36:54,108 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:36:54,113 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 00:36:54,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:54,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 151 states and 213 transitions. [2023-12-03 00:36:54,123 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 213 transitions. [2023-12-03 00:36:54,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 00:36:54,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:54,124 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:36:54,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:36:54,125 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:36:54,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 00:36:54,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:54,609 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:36:54,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:54,812 INFO L262 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:36:54,813 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:36:54,816 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:36:54,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 00:36:54,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:54,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 151 states and 211 transitions. [2023-12-03 00:36:54,831 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 211 transitions. [2023-12-03 00:36:54,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-03 00:36:54,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:54,832 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:36:54,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:36:54,833 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:36:54,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 00:36:55,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:55,341 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:36:55,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:55,564 INFO L262 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:36:55,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:36:55,567 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:36:55,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 00:36:55,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:55,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 151 states and 209 transitions. [2023-12-03 00:36:55,581 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 209 transitions. [2023-12-03 00:36:55,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 00:36:55,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:55,582 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:36:55,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:36:55,583 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:36:55,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 00:36:56,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:56,117 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:36:56,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:56,374 INFO L262 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:36:56,375 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:36:56,496 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:36:56,502 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 00:36:56,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:56,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:36:56,522 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:36:56,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:36:56,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:56,523 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:36:56,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:36:56,524 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:36:56,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 00:36:57,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:57,186 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:36:57,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:57,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:36:57,475 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:36:57,589 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:36:57,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2023-12-03 00:36:57,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:57,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:36:57,741 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:36:57,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:36:57,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:57,742 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:36:57,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:36:57,743 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:36:57,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 00:36:58,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:58,374 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:36:58,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:58,655 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:36:58,657 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:36:58,667 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:36:58,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 00:36:58,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:58,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:36:58,684 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:36:58,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:36:58,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:58,685 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:36:58,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:36:58,686 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:36:58,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 00:36:59,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:59,398 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:36:59,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:59,687 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:36:59,689 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:36:59,698 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:36:59,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 00:36:59,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:59,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:36:59,713 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:36:59,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:36:59,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:59,714 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:36:59,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:36:59,715 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:36:59,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 00:37:00,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:00,533 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:37:00,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:00,828 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:37:00,830 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:37:00,841 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:37:00,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2023-12-03 00:37:00,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:37:00,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:37:00,866 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:37:00,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:37:00,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:37:00,866 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:37:00,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:37:00,867 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:37:00,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 00:37:01,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:01,680 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:37:01,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:01,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:37:01,950 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:37:01,959 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:37:01,969 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2023-12-03 00:37:01,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:37:01,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:37:01,976 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:37:01,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:37:01,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:37:01,977 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:37:01,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:37:01,978 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:37:01,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 00:37:02,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:02,787 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:37:03,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:03,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:37:03,075 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:37:03,084 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:37:03,095 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 00:37:03,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:37:03,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:37:03,102 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:37:03,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:37:03,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:37:03,102 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:37:03,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:37:03,103 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:37:03,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 00:37:04,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:04,019 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:37:04,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:04,314 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:37:04,317 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:37:04,327 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:37:04,338 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2023-12-03 00:37:04,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:37:04,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:37:04,353 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:37:04,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:37:04,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:37:04,354 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:37:04,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:37:04,356 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:37:04,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 00:37:05,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:05,318 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:37:05,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:05,619 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:37:05,621 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:37:05,630 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:37:05,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 00:37:05,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:37:05,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:37:05,649 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:37:05,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:37:05,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:37:05,649 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:37:05,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:37:05,650 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:37:05,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 00:37:06,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:06,658 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:37:06,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:06,971 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:37:06,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:37:06,983 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:37:06,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 00:37:07,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:37:07,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:37:07,003 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:37:07,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:37:07,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:37:07,004 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:37:07,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:37:07,005 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:37:07,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 00:37:07,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:07,994 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:37:08,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:08,299 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:37:08,301 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:37:08,310 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:37:08,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 00:37:08,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:37:08,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:37:08,331 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:37:08,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:37:08,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:37:08,332 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:37:08,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:37:08,333 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:37:08,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 00:37:09,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:09,309 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:37:09,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:09,649 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:37:09,651 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:37:09,660 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:37:09,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 00:37:09,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:37:09,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:37:09,681 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:37:09,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:37:09,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:37:09,682 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:37:09,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:37:09,683 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:37:09,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 00:37:10,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:10,751 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:37:11,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:11,045 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:37:11,047 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:37:11,055 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:37:11,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 00:37:11,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:37:11,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:37:11,079 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:37:11,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:37:11,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:37:11,080 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:37:11,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:37:11,081 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:37:11,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 00:37:12,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:12,201 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:37:12,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:12,523 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:37:12,525 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:37:12,534 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:37:12,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 00:37:12,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:37:12,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:37:12,557 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:37:12,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:37:12,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:37:12,557 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:37:12,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:37:12,558 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:37:12,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 00:37:13,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:13,734 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:37:14,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:14,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:37:14,025 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:37:14,033 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:37:14,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 00:37:14,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:37:14,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:37:14,056 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:37:14,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:37:14,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:37:14,056 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:37:14,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:37:14,057 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:37:14,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 00:37:15,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:15,222 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:37:15,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:15,514 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:37:15,515 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:37:15,525 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:37:15,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 00:37:15,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:37:15,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:37:15,552 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:37:15,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:37:15,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:37:15,552 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:37:15,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:37:15,553 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:37:15,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 00:37:16,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:16,743 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:37:17,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:17,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:37:17,025 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:37:17,035 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:37:17,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-03 00:37:17,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:37:17,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:37:17,062 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:37:17,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:37:17,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:37:17,063 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:37:17,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:37:17,064 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:37:17,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 00:37:18,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:18,402 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:37:18,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:18,679 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:37:18,680 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:37:18,690 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:37:18,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 00:37:18,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:37:18,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:37:18,714 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:37:18,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:37:18,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:37:18,715 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:37:18,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:37:18,716 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:37:18,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 00:37:19,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:19,967 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:37:20,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:20,239 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:37:20,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:37:20,250 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:37:20,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 00:37:20,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:37:20,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:37:20,276 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:37:20,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:37:20,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:37:20,276 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:37:20,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:37:20,277 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:37:20,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 00:37:21,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:21,610 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:37:21,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:21,890 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:37:21,892 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:37:21,902 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:37:21,923 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 00:37:21,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:37:21,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:37:21,930 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:37:21,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:37:21,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:37:21,931 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:37:21,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:37:21,932 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:37:21,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 00:37:23,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:23,395 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:37:23,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:23,674 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:37:23,676 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:37:23,685 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:37:23,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 00:37:23,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:37:23,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:37:23,713 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:37:23,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:37:23,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:37:23,714 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:37:23,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:37:23,715 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:37:23,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 00:37:25,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:25,056 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:37:25,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:25,351 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:37:25,353 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:37:25,362 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:37:25,384 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-03 00:37:25,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:37:25,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:37:25,391 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:37:25,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:37:25,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:37:25,392 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:37:25,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:37:25,393 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:37:25,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 00:37:26,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:26,824 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:37:27,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:27,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:37:27,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:37:27,137 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:37:27,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-03 00:37:27,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:37:27,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:37:27,166 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:37:27,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:37:27,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:37:27,167 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:37:27,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:37:27,168 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:37:27,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 00:37:28,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:28,615 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:37:28,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:28,914 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:37:28,916 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:37:28,925 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:37:28,949 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-03 00:37:28,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:37:28,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:37:28,959 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:37:28,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:37:28,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:37:28,960 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:37:28,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:37:28,961 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:37:28,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 00:37:30,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:30,572 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:37:30,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:30,861 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:37:30,862 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:37:30,872 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:37:30,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-03 00:37:30,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:37:30,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:37:30,907 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:37:30,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:37:30,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:37:30,907 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:37:30,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:37:30,908 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:37:30,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 00:37:32,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:32,570 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:37:32,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:32,865 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:37:32,866 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:37:32,876 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:37:32,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 00:37:32,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:37:32,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:37:32,908 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:37:32,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:37:32,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:37:32,909 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:37:32,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:37:32,910 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:37:32,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 00:37:34,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:34,566 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:37:34,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:34,866 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:37:34,867 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:37:34,876 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:37:34,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-03 00:37:34,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:37:34,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:37:34,908 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:37:34,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:37:34,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:37:34,909 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:37:34,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:37:34,910 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:37:34,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 00:37:36,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:36,533 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:37:36,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:36,790 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:37:36,792 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:37:36,800 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:37:36,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Forceful destruction successful, exit code 0 [2023-12-03 00:37:36,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:37:36,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:37:36,832 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:37:36,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:37:36,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:37:36,833 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:37:36,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:37:36,834 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:37:36,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 00:37:38,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:38,531 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:37:38,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:38,822 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:37:38,824 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:37:38,833 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:37:38,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-03 00:37:38,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:37:38,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:37:38,868 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:37:38,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:37:38,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:37:38,869 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:37:38,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:37:38,869 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:37:38,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 00:37:40,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:40,588 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:37:40,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:40,879 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:37:40,881 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:37:40,890 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:37:40,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-03 00:37:40,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:37:40,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:37:40,924 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:37:40,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:37:40,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:37:40,925 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:37:40,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:37:40,925 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:37:40,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 00:37:42,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:42,590 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:37:42,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:42,902 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:37:42,904 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:37:42,913 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:37:42,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 00:37:42,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:37:42,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:37:42,948 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:37:42,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:37:42,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:37:42,949 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:37:42,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:37:42,950 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:37:42,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 00:37:44,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:44,651 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:37:44,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:44,960 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:37:44,961 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:37:44,970 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:37:44,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-03 00:37:45,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:37:45,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:37:45,007 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:37:45,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:37:45,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:37:45,008 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:37:45,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:37:45,009 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:37:45,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 00:37:46,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:46,726 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:37:46,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:47,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:37:47,017 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:37:47,029 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:37:47,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-03 00:37:47,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:37:47,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:37:47,086 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:37:47,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:37:47,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:37:47,086 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:37:47,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:37:47,087 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:37:47,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 00:37:48,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:48,899 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:37:49,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:49,198 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:37:49,199 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:37:49,209 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:37:49,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-03 00:37:49,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:37:49,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:37:49,245 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:37:49,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:37:49,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:37:49,245 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:37:49,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:37:49,246 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:37:49,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 00:37:51,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:51,073 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:37:51,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:51,358 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:37:51,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:37:51,368 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:37:51,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-03 00:37:51,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:37:51,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:37:51,406 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:37:51,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:37:51,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:37:51,406 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:37:51,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:37:51,407 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:37:51,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-03 00:37:53,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:53,216 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:37:53,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:53,517 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:37:53,519 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:37:53,528 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:37:53,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-03 00:37:53,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:37:53,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:37:53,566 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:37:53,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:37:53,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:37:53,567 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:37:53,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:37:53,567 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:37:53,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-03 00:37:55,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:55,506 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:37:55,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:55,792 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:37:55,794 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:37:55,803 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:37:55,835 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-03 00:37:55,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:37:55,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:37:55,842 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:37:55,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:37:55,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:37:55,843 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:37:55,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:37:55,844 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:37:55,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-03 00:37:57,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:57,980 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:37:58,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:58,258 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:37:58,260 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:37:58,269 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:37:58,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-03 00:37:58,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:37:58,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:37:58,310 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:37:58,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:37:58,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:37:58,311 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:37:58,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:37:58,312 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:37:58,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-03 00:38:00,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:00,334 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:38:00,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:00,597 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:38:00,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:38:00,607 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:38:00,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-03 00:38:00,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:38:00,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:38:00,648 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:38:00,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:38:00,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:38:00,649 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:38:00,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:38:00,650 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:38:00,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-03 00:38:03,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:03,218 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:38:03,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:03,473 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:38:03,474 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:38:03,483 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:38:03,517 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-03 00:38:03,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:38:03,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:38:03,524 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:38:03,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:38:03,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:38:03,525 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:38:03,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:38:03,526 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:38:03,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-03 00:38:05,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:05,686 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:38:05,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:05,972 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:38:05,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:38:05,982 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:38:06,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-03 00:38:06,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:38:06,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:38:06,024 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:38:06,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:38:06,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:38:06,024 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:38:06,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:38:06,026 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:38:06,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-03 00:38:08,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:08,165 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:38:08,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:08,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:38:08,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:38:08,457 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:38:08,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-03 00:38:08,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:38:08,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:38:08,500 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:38:08,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:38:08,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:38:08,500 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:38:08,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:38:08,501 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:38:08,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-03 00:38:10,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:10,705 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:38:10,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:10,983 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:38:10,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:38:10,993 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:38:11,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2023-12-03 00:38:11,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:38:11,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:38:11,020 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:38:11,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:38:11,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:38:11,020 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:38:11,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:38:11,021 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:38:11,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-03 00:38:13,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:13,307 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:38:13,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:13,607 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:38:13,609 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:38:13,618 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:38:13,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2023-12-03 00:38:13,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:38:13,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:38:13,645 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:38:13,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:38:13,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:38:13,645 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:38:13,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:38:13,646 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:38:13,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-03 00:38:15,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:15,833 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:38:16,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:16,101 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:38:16,103 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:38:16,110 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:38:16,132 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2023-12-03 00:38:16,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:38:16,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:38:16,138 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:38:16,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:38:16,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:38:16,139 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:38:16,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:38:16,140 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:38:16,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-03 00:38:18,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:18,447 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:38:18,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:18,723 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:38:18,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:38:18,732 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:38:18,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Forceful destruction successful, exit code 0 [2023-12-03 00:38:18,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:38:18,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:38:18,759 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:38:18,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:38:18,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:38:18,759 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:38:18,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:38:18,760 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:38:18,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-03 00:38:21,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:21,037 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:38:21,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:21,314 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:38:21,315 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:38:21,324 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:38:21,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2023-12-03 00:38:21,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:38:21,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:38:21,352 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:38:21,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:38:21,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:38:21,353 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:38:21,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:38:21,354 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:38:21,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-03 00:38:23,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:23,441 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:38:23,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:23,712 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:38:23,713 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:38:23,723 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:38:23,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2023-12-03 00:38:23,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:38:23,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:38:23,752 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:38:23,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:38:23,752 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:38:23,752 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:38:23,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:38:23,753 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:38:23,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2023-12-03 00:38:26,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:26,127 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:38:26,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:26,397 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:38:26,399 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:38:26,408 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:38:26,432 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2023-12-03 00:38:26,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:38:26,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:38:26,441 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:38:26,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:38:26,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:38:26,441 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:38:26,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:38:26,442 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:38:26,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-12-03 00:38:28,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:28,928 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:38:29,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:29,190 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:38:29,192 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:38:29,200 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:38:29,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2023-12-03 00:38:29,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:38:29,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:38:29,230 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:38:29,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:38:29,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:38:29,230 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:38:29,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:38:29,231 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:38:29,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2023-12-03 00:38:31,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:31,533 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:38:31,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:31,823 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:38:31,824 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:38:31,833 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:38:31,857 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Forceful destruction successful, exit code 0 [2023-12-03 00:38:31,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:38:31,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:38:31,863 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:38:31,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:38:31,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:38:31,863 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:38:31,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:38:31,864 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:38:31,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2023-12-03 00:38:34,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:34,327 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:38:34,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:34,627 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:38:34,628 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:38:34,637 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:38:34,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2023-12-03 00:38:34,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:38:34,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:38:34,667 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:38:34,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:38:34,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:38:34,667 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:38:34,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:38:34,668 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:38:34,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2023-12-03 00:38:37,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:37,183 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:38:37,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:37,492 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:38:37,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:38:37,502 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:38:37,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2023-12-03 00:38:37,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:38:37,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:38:37,533 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:38:37,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:38:37,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:38:37,534 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:38:37,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:38:37,535 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:38:37,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2023-12-03 00:38:40,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:40,261 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:38:40,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:40,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:38:40,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:38:40,560 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:38:40,584 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2023-12-03 00:38:40,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:38:40,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:38:40,593 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:38:40,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:38:40,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:38:40,594 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:38:40,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:38:40,594 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:38:40,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2023-12-03 00:38:43,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:43,058 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:38:43,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:43,340 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:38:43,341 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:38:43,349 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:38:43,374 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2023-12-03 00:38:43,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:38:43,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:38:43,380 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:38:43,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:38:43,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:38:43,381 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:38:43,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:38:43,382 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:38:43,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2023-12-03 00:38:46,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:46,140 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:38:46,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:46,423 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:38:46,424 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:38:46,433 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:38:46,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2023-12-03 00:38:46,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:38:46,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:38:46,464 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:38:46,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:38:46,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:38:46,464 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:38:46,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:38:46,465 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:38:46,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2023-12-03 00:38:49,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:49,286 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:38:49,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:49,582 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:38:49,584 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:38:49,593 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:38:49,618 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2023-12-03 00:38:49,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:38:49,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:38:49,625 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:38:49,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:38:49,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:38:49,625 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:38:49,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:38:49,626 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:38:49,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2023-12-03 00:38:52,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:52,295 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:38:52,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:52,559 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:38:52,560 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:38:52,568 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:38:52,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Forceful destruction successful, exit code 0 [2023-12-03 00:38:52,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:38:52,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:38:52,604 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:38:52,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:38:52,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:38:52,604 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:38:52,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:38:52,605 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:38:52,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2023-12-03 00:38:55,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:55,194 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:38:55,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:55,495 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:38:55,496 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:38:55,504 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:38:55,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2023-12-03 00:38:55,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:38:55,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:38:55,537 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:38:55,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:38:55,537 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:38:55,537 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:38:55,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:38:55,538 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:38:55,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2023-12-03 00:38:58,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:58,744 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:38:58,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:59,008 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:38:59,009 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:38:59,018 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:38:59,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2023-12-03 00:38:59,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:38:59,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:38:59,051 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:38:59,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:38:59,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:38:59,051 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:38:59,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:38:59,052 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:38:59,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2023-12-03 00:39:01,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:39:01,965 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:39:02,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:39:02,271 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:39:02,272 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:39:02,280 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:39:02,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2023-12-03 00:39:02,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:39:02,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:39:02,325 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:39:02,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:39:02,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:39:02,325 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:39:02,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:39:02,326 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:39:02,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2023-12-03 00:39:05,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:39:05,100 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:39:05,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:39:05,382 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:39:05,383 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:39:05,391 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:39:05,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Forceful destruction successful, exit code 0 [2023-12-03 00:39:05,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:39:05,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:39:05,426 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:39:05,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:39:05,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:39:05,426 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:39:05,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:39:05,427 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:39:05,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2023-12-03 00:39:08,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:39:08,527 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:39:08,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:39:08,823 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:39:08,824 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:39:08,832 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:39:08,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2023-12-03 00:39:08,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:39:08,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:39:08,868 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:39:08,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:39:08,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:39:08,868 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:39:08,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:39:08,869 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:39:08,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2023-12-03 00:39:11,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:39:11,769 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:39:12,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:39:12,048 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:39:12,050 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:39:12,058 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:39:12,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2023-12-03 00:39:12,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:39:12,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:39:12,092 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:39:12,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:39:12,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:39:12,092 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:39:12,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:39:12,093 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:39:12,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2023-12-03 00:39:15,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:39:15,044 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:39:15,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:39:15,330 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:39:15,332 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:39:15,341 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:39:15,370 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2023-12-03 00:39:15,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:39:15,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:39:15,377 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:39:15,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:39:15,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:39:15,377 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:39:15,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:39:15,378 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:39:15,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2023-12-03 00:39:18,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:39:18,024 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:39:18,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:39:18,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:39:18,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:39:18,314 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:39:18,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Forceful destruction successful, exit code 0 [2023-12-03 00:39:18,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:39:18,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:39:18,350 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:39:18,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:39:18,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:39:18,351 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:39:18,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:39:18,352 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:39:18,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2023-12-03 00:39:21,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:39:21,288 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:39:21,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:39:21,575 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:39:21,576 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:39:21,614 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:39:21,643 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2023-12-03 00:39:21,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:39:21,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:39:21,649 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:39:21,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:39:21,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:39:21,650 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:39:21,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:39:21,651 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:39:21,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2023-12-03 00:39:24,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:39:24,601 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:39:24,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:39:24,916 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:39:24,917 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:39:24,927 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:39:24,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2023-12-03 00:39:24,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:39:24,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:39:24,964 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:39:24,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:39:24,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:39:24,964 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:39:24,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:39:24,965 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:39:24,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2023-12-03 00:39:28,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:39:28,048 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:39:28,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:39:28,341 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:39:28,343 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:39:28,351 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:39:28,382 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Forceful destruction successful, exit code 0 [2023-12-03 00:39:28,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:39:28,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:39:28,389 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:39:28,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:39:28,389 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:39:28,389 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:39:28,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:39:28,390 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:39:28,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2023-12-03 00:39:31,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:39:31,668 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:39:31,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:39:31,948 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:39:31,949 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:39:31,957 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:39:31,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2023-12-03 00:39:31,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:39:31,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:39:31,995 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:39:31,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:39:31,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:39:31,996 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:39:31,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:39:31,997 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:39:31,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2023-12-03 00:39:35,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:39:35,403 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:39:35,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:39:35,698 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:39:35,700 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:39:35,708 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:39:35,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2023-12-03 00:39:35,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:39:35,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:39:35,747 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:39:35,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:39:35,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:39:35,747 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:39:35,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:39:35,748 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:39:35,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2023-12-03 00:39:38,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:39:38,972 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:39:39,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:39:39,284 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:39:39,285 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:39:39,293 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:39:39,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2023-12-03 00:39:39,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:39:39,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:39:39,332 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:39:39,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:39:39,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:39:39,333 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:39:39,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:39:39,334 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:39:39,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2023-12-03 00:39:42,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:39:42,534 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:39:42,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:39:42,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:39:42,828 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:39:42,838 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:39:42,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2023-12-03 00:39:42,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:39:42,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:39:42,876 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:39:42,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:39:42,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:39:42,877 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:39:42,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:39:42,877 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:39:42,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2023-12-03 00:39:46,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:39:46,408 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:39:46,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:39:46,727 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:39:46,728 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:39:46,737 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:39:46,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2023-12-03 00:39:46,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:39:46,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:39:46,775 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:39:46,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:39:46,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:39:46,775 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:39:46,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:39:46,776 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:39:46,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2023-12-03 00:39:50,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:39:50,108 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:39:50,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:39:50,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:39:50,382 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:39:50,390 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:39:50,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2023-12-03 00:39:50,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:39:50,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:39:50,430 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:39:50,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:39:50,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:39:50,431 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:39:50,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:39:50,432 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:39:50,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2023-12-03 00:39:53,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:39:53,872 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:39:54,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:39:54,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:39:54,158 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:39:54,167 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:39:54,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2023-12-03 00:39:54,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:39:54,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:39:54,205 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:39:54,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:39:54,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:39:54,205 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:39:54,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:39:54,206 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:39:54,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2023-12-03 00:39:57,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:39:57,686 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:39:57,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:39:57,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:39:57,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:39:57,968 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:39:58,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2023-12-03 00:39:58,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:39:58,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:39:58,008 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:39:58,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:39:58,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:39:58,008 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:39:58,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:39:58,009 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:39:58,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2023-12-03 00:40:01,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:40:01,472 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:40:01,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:40:01,760 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:40:01,761 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:40:01,770 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:40:01,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2023-12-03 00:40:01,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:40:01,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:40:01,811 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:40:01,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:40:01,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:40:01,811 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:40:01,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:40:01,812 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:40:01,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2023-12-03 00:40:05,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:40:05,508 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:40:05,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:40:05,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:40:05,799 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:40:05,807 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:40:05,842 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2023-12-03 00:40:05,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:40:05,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:40:05,848 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:40:05,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:40:05,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:40:05,849 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:40:05,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:40:05,849 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:40:05,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2023-12-03 00:40:09,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:40:09,545 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:40:09,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:40:09,853 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:40:09,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:40:09,864 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:40:09,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2023-12-03 00:40:09,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:40:09,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:40:09,904 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:40:09,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:40:09,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:40:09,905 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:40:09,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:40:09,906 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:40:09,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2023-12-03 00:40:13,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:40:13,582 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:40:13,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:40:13,880 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:40:13,881 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:40:13,889 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:40:13,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2023-12-03 00:40:13,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:40:13,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:40:13,931 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:40:13,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:40:13,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:40:13,931 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:40:13,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:40:13,932 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:40:13,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2023-12-03 00:40:17,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:40:17,796 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:40:18,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:40:18,084 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:40:18,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:40:18,093 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:40:18,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2023-12-03 00:40:18,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:40:18,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:40:18,136 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:40:18,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:40:18,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:40:18,136 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:40:18,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:40:18,137 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:40:18,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2023-12-03 00:40:22,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:40:22,053 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:40:22,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:40:22,345 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:40:22,346 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:40:22,355 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:40:22,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2023-12-03 00:40:22,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:40:22,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:40:22,398 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:40:22,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:40:22,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:40:22,398 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:40:22,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:40:22,399 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:40:22,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2023-12-03 00:40:26,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:40:26,156 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:40:26,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:40:26,452 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:40:26,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:40:26,463 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:40:26,500 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2023-12-03 00:40:26,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:40:26,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:40:26,507 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:40:26,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:40:26,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:40:26,507 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:40:26,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:40:26,508 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:40:26,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2023-12-03 00:40:30,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:40:30,133 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:40:30,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:40:30,425 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:40:30,426 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:40:30,434 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:40:30,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2023-12-03 00:40:30,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:40:30,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:40:30,477 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:40:30,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:40:30,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:40:30,478 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:40:30,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:40:30,479 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:40:30,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2023-12-03 00:40:34,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:40:34,323 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:40:34,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:40:34,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:40:34,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:40:34,639 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:40:34,676 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2023-12-03 00:40:34,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:40:34,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:40:34,683 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:40:34,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:40:34,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:40:34,684 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:40:34,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:40:34,685 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:40:34,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2023-12-03 00:40:38,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:40:38,397 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:40:38,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:40:38,693 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:40:38,695 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:40:38,704 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:40:38,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2023-12-03 00:40:38,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:40:38,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:40:38,750 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:40:38,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:40:38,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:40:38,750 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:40:38,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:40:38,751 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:40:38,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2023-12-03 00:40:42,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:40:42,830 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:40:43,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:40:43,132 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:40:43,133 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:40:43,143 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:40:43,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2023-12-03 00:40:43,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:40:43,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:40:43,186 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:40:43,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:40:43,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:40:43,186 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:40:43,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:40:43,187 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:40:43,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2023-12-03 00:40:47,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:40:47,286 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:40:47,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:40:47,581 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:40:47,583 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:40:47,590 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:40:47,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2023-12-03 00:40:47,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:40:47,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:40:47,635 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:40:47,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:40:47,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:40:47,636 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:40:47,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:40:47,637 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:40:47,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2023-12-03 00:40:51,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:40:51,381 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:40:51,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:40:51,666 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:40:51,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:40:51,675 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:40:51,713 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2023-12-03 00:40:51,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:40:51,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:40:51,719 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:40:51,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:40:51,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:40:51,720 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:40:51,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:40:51,721 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:40:51,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2023-12-03 00:40:55,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:40:55,690 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:40:55,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:40:55,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:40:55,996 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:40:56,005 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:40:56,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2023-12-03 00:40:56,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:40:56,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:40:56,049 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:40:56,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:40:56,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:40:56,050 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:40:56,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:40:56,051 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:40:56,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2023-12-03 00:41:00,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:41:00,461 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:41:00,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:41:00,778 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:41:00,780 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:41:00,788 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:41:00,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2023-12-03 00:41:00,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:41:00,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:41:00,834 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:41:00,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:41:00,835 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:41:00,835 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:41:00,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:41:00,835 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:41:00,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2023-12-03 00:41:04,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:41:04,632 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:41:04,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:41:04,926 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:41:04,928 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:41:04,936 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:41:04,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2023-12-03 00:41:04,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:41:04,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:41:04,982 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:41:04,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:41:04,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:41:04,982 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:41:04,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:41:04,983 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:41:04,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2023-12-03 00:41:08,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:41:08,977 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:41:09,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:41:09,279 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:41:09,281 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:41:09,290 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:41:09,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2023-12-03 00:41:09,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:41:09,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:41:09,337 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:41:09,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:41:09,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:41:09,337 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:41:09,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:41:09,338 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:41:09,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2023-12-03 00:41:13,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:41:13,641 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:41:13,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:41:13,922 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:41:13,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:41:13,932 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:41:13,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2023-12-03 00:41:13,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:41:13,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:41:13,979 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:41:13,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:41:13,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:41:13,980 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:41:13,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:41:13,981 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:41:13,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2023-12-03 00:41:17,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:41:17,922 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:41:18,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:41:18,186 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:41:18,187 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:41:18,195 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:41:18,238 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2023-12-03 00:41:18,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:41:18,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:41:18,245 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:41:18,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:41:18,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:41:18,245 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:41:18,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:41:18,246 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:41:18,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2023-12-03 00:41:22,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:41:22,674 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:41:22,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:41:22,983 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:41:22,985 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:41:22,992 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:41:23,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2023-12-03 00:41:23,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:41:23,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:41:23,041 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:41:23,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:41:23,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:41:23,041 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:41:23,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:41:23,042 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:41:23,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2023-12-03 00:41:27,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:41:27,433 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:41:27,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:41:27,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:41:27,720 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:41:27,728 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:41:27,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2023-12-03 00:41:27,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:41:27,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:41:27,776 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:41:27,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:41:27,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:41:27,777 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:41:27,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:41:27,778 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:41:27,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2023-12-03 00:41:31,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:41:31,923 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:41:32,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:41:32,211 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:41:32,213 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:41:32,221 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:41:32,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Ended with exit code 0 [2023-12-03 00:41:32,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:41:32,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:41:32,271 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:41:32,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:41:32,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:41:32,272 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:41:32,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:41:32,273 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:41:32,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2023-12-03 00:41:36,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:41:36,709 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:41:37,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:41:37,021 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:41:37,022 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:41:37,029 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:41:37,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2023-12-03 00:41:37,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:41:37,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:41:37,080 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:41:37,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:41:37,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:41:37,080 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:41:37,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:41:37,081 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:41:37,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2023-12-03 00:41:41,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:41:41,553 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:41:41,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:41:41,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:41:41,843 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:41:41,850 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:41:41,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Ended with exit code 0 [2023-12-03 00:41:41,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:41:41,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:41:41,901 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:41:41,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:41:41,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:41:41,901 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:41:41,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:41:41,902 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:41:41,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2023-12-03 00:41:46,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:41:46,380 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:41:46,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:41:46,698 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:41:46,700 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:41:46,708 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:41:46,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2023-12-03 00:41:46,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:41:46,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:41:46,759 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:41:46,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:41:46,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:41:46,759 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:41:46,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:41:46,760 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:41:46,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2023-12-03 00:41:51,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:41:51,308 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:41:51,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:41:51,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:41:51,579 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:41:51,586 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:41:51,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Ended with exit code 0 [2023-12-03 00:41:51,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:41:51,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:41:51,638 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:41:51,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:41:51,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:41:51,638 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:41:51,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:41:51,639 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:41:51,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2023-12-03 00:41:55,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:41:55,931 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:41:56,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:41:56,216 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:41:56,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:41:56,226 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:41:56,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Ended with exit code 0 [2023-12-03 00:41:56,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:41:56,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:41:56,277 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:41:56,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:41:56,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:41:56,277 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:41:56,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:41:56,278 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:41:56,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2023-12-03 00:42:00,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:42:00,884 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:42:01,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:42:01,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:42:01,180 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:42:01,189 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:42:01,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Ended with exit code 0 [2023-12-03 00:42:01,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:42:01,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:42:01,248 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:42:01,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:42:01,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:42:01,249 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:42:01,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:42:01,250 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:42:01,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2023-12-03 00:42:05,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:42:05,866 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:42:06,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:42:06,169 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:42:06,170 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:42:06,178 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:42:06,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Ended with exit code 0 [2023-12-03 00:42:06,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:42:06,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:42:06,228 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:42:06,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:42:06,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:42:06,228 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:42:06,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:42:06,229 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:42:06,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2023-12-03 00:42:11,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:42:11,032 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:42:11,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:42:11,335 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:42:11,336 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:42:11,344 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:42:11,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Ended with exit code 0 [2023-12-03 00:42:11,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:42:11,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:42:11,397 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:42:11,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:42:11,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:42:11,397 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:42:11,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:42:11,398 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:42:11,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2023-12-03 00:42:16,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:42:16,251 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:42:16,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:42:16,591 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:42:16,592 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:42:16,600 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:42:16,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2023-12-03 00:42:16,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:42:16,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:42:16,654 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:42:16,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:42:16,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:42:16,655 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:42:16,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:42:16,656 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:42:16,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2023-12-03 00:42:21,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:42:21,549 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:42:21,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:42:21,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:42:21,873 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:42:21,880 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:42:21,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Ended with exit code 0 [2023-12-03 00:42:21,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:42:21,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:42:21,934 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:42:21,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:42:21,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:42:21,935 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:42:21,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:42:21,935 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:42:21,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2023-12-03 00:42:26,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:42:26,952 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:42:27,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:42:27,252 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:42:27,253 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:42:27,261 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:42:27,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Ended with exit code 0 [2023-12-03 00:42:27,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:42:27,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:42:27,315 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:42:27,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:42:27,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:42:27,316 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:42:27,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:42:27,316 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:42:27,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2023-12-03 00:42:32,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:42:32,242 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:42:32,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:42:32,536 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:42:32,538 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:42:32,546 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:42:32,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Ended with exit code 0 [2023-12-03 00:42:32,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:42:32,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:42:32,599 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:42:32,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:42:32,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:42:32,599 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:42:32,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:42:32,600 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:42:32,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2023-12-03 00:42:37,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:42:37,547 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:42:37,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:42:37,874 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:42:37,875 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:42:37,882 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:42:37,931 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Ended with exit code 0 [2023-12-03 00:42:37,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:42:37,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:42:37,938 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:42:37,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:42:37,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:42:37,939 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:42:37,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:42:37,940 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:42:37,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2023-12-03 00:42:42,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:42:42,987 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:42:43,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:42:43,267 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:42:43,268 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:42:43,275 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:42:43,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Ended with exit code 0 [2023-12-03 00:42:43,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:42:43,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:42:43,330 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:42:43,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:42:43,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:42:43,331 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:42:43,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:42:43,332 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:42:43,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2023-12-03 00:42:48,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:42:48,393 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:42:48,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:42:48,710 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:42:48,711 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:42:48,719 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:42:48,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Ended with exit code 0 [2023-12-03 00:42:48,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:42:48,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:42:48,775 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:42:48,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:42:48,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:42:48,776 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:42:48,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:42:48,777 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:42:48,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2023-12-03 00:42:53,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:42:53,994 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:42:54,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:42:54,286 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:42:54,287 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:42:54,296 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:42:54,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Ended with exit code 0 [2023-12-03 00:42:54,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:42:54,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:42:54,351 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:42:54,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:42:54,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:42:54,351 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:42:54,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:42:54,352 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:42:54,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2023-12-03 00:42:59,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:42:59,439 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:42:59,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:42:59,705 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:42:59,706 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:42:59,714 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:42:59,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Ended with exit code 0 [2023-12-03 00:42:59,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:42:59,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:42:59,769 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:42:59,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:42:59,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:42:59,770 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:42:59,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:42:59,771 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:42:59,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2023-12-03 00:43:04,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:43:04,756 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:43:05,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:43:05,079 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:43:05,080 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:43:05,089 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:43:05,139 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Forceful destruction successful, exit code 0 [2023-12-03 00:43:05,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:43:05,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:43:05,145 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:43:05,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:43:05,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:43:05,146 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:43:05,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:43:05,147 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:43:05,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2023-12-03 00:43:10,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:43:10,167 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:43:10,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:43:10,468 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:43:10,469 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:43:10,477 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:43:10,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2023-12-03 00:43:10,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:43:10,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:43:10,534 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:43:10,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:43:10,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:43:10,535 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:43:10,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:43:10,536 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:43:10,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2023-12-03 00:43:15,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:43:15,895 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:43:16,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:43:16,185 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:43:16,186 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:43:16,193 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:43:16,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (135)] Ended with exit code 0 [2023-12-03 00:43:16,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:43:16,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:43:16,249 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:43:16,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:43:16,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:43:16,250 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:43:16,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:43:16,251 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:43:16,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2023-12-03 00:43:21,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:43:21,553 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:43:21,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:43:21,875 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:43:21,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:43:21,886 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:43:21,936 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (136)] Ended with exit code 0 [2023-12-03 00:43:21,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:43:21,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:43:21,942 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:43:21,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:43:21,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:43:21,943 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:43:21,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:43:21,943 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:43:21,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2023-12-03 00:43:27,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:43:27,343 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:43:27,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:43:27,627 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:43:27,628 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:43:27,637 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:43:27,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (137)] Forceful destruction successful, exit code 0 [2023-12-03 00:43:27,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:43:27,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:43:27,696 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:43:27,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:43:27,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:43:27,697 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:43:27,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:43:27,697 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:43:27,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2023-12-03 00:43:33,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:43:33,033 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:43:33,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:43:33,347 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:43:33,348 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:43:33,357 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:43:33,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (138)] Ended with exit code 0 [2023-12-03 00:43:33,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:43:33,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:43:33,415 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:43:33,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:43:33,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:43:33,416 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:43:33,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:43:33,417 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:43:33,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process [2023-12-03 00:43:38,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:43:38,747 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:43:39,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:43:39,099 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:43:39,100 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:43:39,107 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:43:39,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (139)] Ended with exit code 0 [2023-12-03 00:43:39,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:43:39,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:43:39,168 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:43:39,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:43:39,168 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:43:39,169 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:43:39,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:43:39,169 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:43:39,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2023-12-03 00:43:44,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:43:44,333 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:43:44,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:43:44,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:43:44,662 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:43:44,669 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:43:44,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (140)] Ended with exit code 0 [2023-12-03 00:43:44,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:43:44,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:43:44,730 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:43:44,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:43:44,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:43:44,730 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:43:44,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:43:44,731 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:43:44,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (141)] Waiting until timeout for monitored process [2023-12-03 00:43:50,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:43:50,271 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:43:50,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:43:50,537 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:43:50,538 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:43:50,546 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:43:50,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (141)] Ended with exit code 0 [2023-12-03 00:43:50,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:43:50,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:43:50,605 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:43:50,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:43:50,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:43:50,605 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:43:50,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:43:50,606 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:43:50,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2023-12-03 00:43:55,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:43:55,938 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:43:56,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:43:56,226 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:43:56,227 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:43:56,236 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:43:56,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (142)] Ended with exit code 0 [2023-12-03 00:43:56,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:43:56,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:43:56,295 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:43:56,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:43:56,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:43:56,295 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:43:56,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:43:56,296 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:43:56,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (143)] Waiting until timeout for monitored process [2023-12-03 00:44:01,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:01,936 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:44:02,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:02,285 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:44:02,286 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:02,294 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:44:02,349 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (143)] Ended with exit code 0 [2023-12-03 00:44:02,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:02,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:44:02,355 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:44:02,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:44:02,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:02,356 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:44:02,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:44:02,356 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:44:02,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2023-12-03 00:44:07,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:07,992 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:44:08,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:08,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:44:08,303 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:08,311 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:44:08,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (144)] Ended with exit code 0 [2023-12-03 00:44:08,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:08,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:44:08,373 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:44:08,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:44:08,374 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:08,374 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:44:08,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:44:08,375 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:44:08,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (145)] Waiting until timeout for monitored process [2023-12-03 00:44:14,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:14,190 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:44:14,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:14,487 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:44:14,488 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:14,496 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:44:14,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (145)] Ended with exit code 0 [2023-12-03 00:44:14,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:14,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:44:14,558 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:44:14,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:44:14,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:14,558 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:44:14,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:44:14,559 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:44:14,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2023-12-03 00:44:20,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:20,189 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:44:20,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:20,470 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:44:20,471 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:20,479 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:44:20,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (146)] Ended with exit code 0 [2023-12-03 00:44:20,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:20,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:44:20,540 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:44:20,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:44:20,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:20,540 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:44:20,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:44:20,541 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:44:20,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (147)] Waiting until timeout for monitored process [2023-12-03 00:44:25,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:25,965 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:44:26,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:26,248 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:44:26,249 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:26,256 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:44:26,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (147)] Forceful destruction successful, exit code 0 [2023-12-03 00:44:26,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:26,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:44:26,317 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:44:26,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:44:26,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:26,318 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:44:26,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:44:26,318 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:44:26,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process [2023-12-03 00:44:32,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:32,112 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:44:32,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:32,444 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:44:32,445 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:32,454 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:44:32,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (148)] Ended with exit code 0 [2023-12-03 00:44:32,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:32,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:44:32,517 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:44:32,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:44:32,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:32,517 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:44:32,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:44:32,518 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:44:32,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (149)] Waiting until timeout for monitored process [2023-12-03 00:44:38,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:38,434 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:44:38,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:38,754 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:44:38,756 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:38,764 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:44:38,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (149)] Ended with exit code 0 [2023-12-03 00:44:38,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:38,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:44:38,827 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:44:38,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:44:38,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:38,827 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:44:38,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:44:38,828 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:44:38,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (150)] Waiting until timeout for monitored process [2023-12-03 00:44:44,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:44,557 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:44:44,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:44,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:44:44,864 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:44,872 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:44:44,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (150)] Ended with exit code 0 [2023-12-03 00:44:44,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:44,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:44:44,959 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:44:44,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:44:44,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:44,959 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:44:44,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:44:44,960 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:44:44,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (151)] Waiting until timeout for monitored process [2023-12-03 00:44:50,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:50,806 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:44:51,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:51,103 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:44:51,104 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:51,112 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:44:51,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (151)] Ended with exit code 0 [2023-12-03 00:44:51,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:51,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:44:51,175 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:44:51,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:44:51,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:51,175 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:44:51,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:44:51,183 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:44:51,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (152)] Waiting until timeout for monitored process [2023-12-03 00:44:57,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:57,228 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:44:57,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:44:57,544 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:44:57,545 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:44:57,553 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:44:57,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (152)] Ended with exit code 0 [2023-12-03 00:44:57,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:44:57,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:44:57,619 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:44:57,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:44:57,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:44:57,619 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:44:57,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:44:57,620 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:44:57,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee65976a-464c-4134-9ad9-733556eaaed3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (153)] Waiting until timeout for monitored process