./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/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_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/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_a55f5475-b794-493f-8a1d-69f81f20c915/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 9e43379b3f2624d77eec1084820c7c07499f5ec4432514ab066d4f5cf96eeebc --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:48:42,622 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:48:42,687 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 22:48:42,692 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:48:42,693 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:48:42,715 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:48:42,716 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:48:42,717 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:48:42,717 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:48:42,718 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:48:42,719 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:48:42,719 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:48:42,720 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:48:42,720 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:48:42,721 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:48:42,721 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:48:42,722 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:48:42,722 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:48:42,723 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:48:42,723 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:48:42,724 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:48:42,727 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:48:42,728 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:48:42,728 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:48:42,729 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:48:42,729 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:48:42,729 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:48:42,730 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:48:42,730 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:48:42,731 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:48:42,731 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:48:42,731 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:48:42,732 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:48:42,732 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_a55f5475-b794-493f-8a1d-69f81f20c915/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e43379b3f2624d77eec1084820c7c07499f5ec4432514ab066d4f5cf96eeebc [2023-12-02 22:48:42,949 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:48:42,976 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:48:42,979 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:48:42,980 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:48:42,980 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:48:42,981 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-2.i [2023-12-02 22:48:45,685 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:48:45,939 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:48:45,940 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-2.i [2023-12-02 22:48:45,957 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/data/423fec458/60e4fcaa74f942b3a387e723fbe01238/FLAG96556ffad [2023-12-02 22:48:45,969 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/data/423fec458/60e4fcaa74f942b3a387e723fbe01238 [2023-12-02 22:48:45,971 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:48:45,972 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:48:45,973 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:48:45,973 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:48:45,977 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:48:45,978 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:48:45" (1/1) ... [2023-12-02 22:48:45,979 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10a27ef7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:48:45, skipping insertion in model container [2023-12-02 22:48:45,979 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:48:45" (1/1) ... [2023-12-02 22:48:46,048 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:48:46,391 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_a55f5475-b794-493f-8a1d-69f81f20c915/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-2.i[33021,33034] [2023-12-02 22:48:46,484 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_a55f5475-b794-493f-8a1d-69f81f20c915/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-2.i[44124,44137] [2023-12-02 22:48:46,486 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_a55f5475-b794-493f-8a1d-69f81f20c915/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-2.i[44245,44258] [2023-12-02 22:48:46,505 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:48:46,516 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:48:46,561 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_a55f5475-b794-493f-8a1d-69f81f20c915/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-2.i[33021,33034] [2023-12-02 22:48:46,602 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_a55f5475-b794-493f-8a1d-69f81f20c915/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-2.i[44124,44137] [2023-12-02 22:48:46,603 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_a55f5475-b794-493f-8a1d-69f81f20c915/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-2.i[44245,44258] [2023-12-02 22:48:46,611 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:48:46,639 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:48:46,647 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:48:46,647 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:48:46 WrapperNode [2023-12-02 22:48:46,647 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:48:46,648 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:48:46,649 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:48:46,649 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:48:46,656 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:48:46" (1/1) ... [2023-12-02 22:48:46,688 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:48:46" (1/1) ... [2023-12-02 22:48:46,744 INFO L138 Inliner]: procedures = 176, calls = 328, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1494 [2023-12-02 22:48:46,745 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:48:46,745 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:48:46,746 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:48:46,746 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:48:46,755 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:48:46" (1/1) ... [2023-12-02 22:48:46,756 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:48:46" (1/1) ... [2023-12-02 22:48:46,766 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:48:46" (1/1) ... [2023-12-02 22:48:46,766 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:48:46" (1/1) ... [2023-12-02 22:48:46,805 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:48:46" (1/1) ... [2023-12-02 22:48:46,818 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:48:46" (1/1) ... [2023-12-02 22:48:46,827 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:48:46" (1/1) ... [2023-12-02 22:48:46,833 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:48:46" (1/1) ... [2023-12-02 22:48:46,845 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:48:46,846 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:48:46,846 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:48:46,846 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:48:46,847 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:48:46" (1/1) ... [2023-12-02 22:48:46,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:48:46,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:48:46,876 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:48:46,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:48:46,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 22:48:46,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 22:48:46,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 22:48:46,910 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 22:48:46,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 22:48:46,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:48:46,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 22:48:46,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:48:46,911 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-02 22:48:46,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 22:48:46,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:48:46,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:48:46,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:48:46,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:48:47,121 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:48:47,123 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:48:48,432 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:48:49,956 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:48:49,956 INFO L309 CfgBuilder]: Removed 72 assume(true) statements. [2023-12-02 22:48:49,958 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:48:49 BoogieIcfgContainer [2023-12-02 22:48:49,958 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:48:49,959 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:48:49,959 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:48:49,971 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:48:49,971 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:48:49" (1/1) ... [2023-12-02 22:48:49,981 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:48:50,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:50,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 131 states and 223 transitions. [2023-12-02 22:48:50,042 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 223 transitions. [2023-12-02 22:48:50,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:48:50,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:50,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:48:50,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:50,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:48:50,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:50,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 131 states and 220 transitions. [2023-12-02 22:48:50,233 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 220 transitions. [2023-12-02 22:48:50,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 22:48:50,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:50,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:48:50,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:50,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:48:50,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:50,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 133 states and 223 transitions. [2023-12-02 22:48:50,438 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 223 transitions. [2023-12-02 22:48:50,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 22:48:50,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:50,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:48:50,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:50,542 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:48:50,548 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:50,556 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:48:50,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:50,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 133 states and 221 transitions. [2023-12-02 22:48:50,563 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 221 transitions. [2023-12-02 22:48:50,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 22:48:50,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:50,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:48:50,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:50,666 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:48:50,668 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:50,671 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:48:50,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:50,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 133 states and 217 transitions. [2023-12-02 22:48:50,678 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 217 transitions. [2023-12-02 22:48:50,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 22:48:50,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:50,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:48:50,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:50,791 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:48:50,793 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:50,796 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:48:50,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:50,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 133 states and 211 transitions. [2023-12-02 22:48:50,803 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 211 transitions. [2023-12-02 22:48:50,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 22:48:50,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:50,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:48:50,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:50,968 INFO L262 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:48:50,970 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:50,975 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:49:01,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:49:01,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:01,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 133 states and 203 transitions. [2023-12-02 22:49:01,050 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 203 transitions. [2023-12-02 22:49:01,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-02 22:49:01,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:01,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:49:01,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:01,319 INFO L262 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:49:01,322 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:01,407 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:49:11,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:49:21,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:49:31,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:49:41,651 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 [] [2023-12-02 22:49:41,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:41,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 146 states and 218 transitions. [2023-12-02 22:49:41,687 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 218 transitions. [2023-12-02 22:49:41,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-02 22:49:41,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:41,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:49:41,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:41,929 INFO L262 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:49:41,932 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:41,936 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:49:41,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:41,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 146 states and 216 transitions. [2023-12-02 22:49:41,945 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 216 transitions. [2023-12-02 22:49:41,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-02 22:49:41,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:41,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:49:42,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:42,186 INFO L262 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:49:42,189 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:42,192 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:49:52,203 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 [] [2023-12-02 22:49:52,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:52,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 146 states and 214 transitions. [2023-12-02 22:49:52,251 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 214 transitions. [2023-12-02 22:49:52,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-02 22:49:52,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:52,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:49:52,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:52,539 INFO L262 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:49:52,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:52,620 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:50:02,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:50:12,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:50:22,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:50:32,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:50:32,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:32,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 149 states and 216 transitions. [2023-12-02 22:50:32,802 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 216 transitions. [2023-12-02 22:50:32,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:50:32,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:32,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:50:33,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:33,069 INFO L262 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 22:50:33,073 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:33,120 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 [2023-12-02 22:50:33,159 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 22:50:33,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:33,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 151 states and 220 transitions. [2023-12-02 22:50:33,221 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 220 transitions. [2023-12-02 22:50:33,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:50:33,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:33,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:50:33,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:33,521 INFO L262 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:50:33,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:33,527 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 22:50:33,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:33,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 151 states and 217 transitions. [2023-12-02 22:50:33,536 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 217 transitions. [2023-12-02 22:50:33,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 22:50:33,537 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:33,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:50:33,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:33,797 INFO L262 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:50:33,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:33,804 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 22:50:33,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:33,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 151 states and 213 transitions. [2023-12-02 22:50:33,812 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 213 transitions. [2023-12-02 22:50:33,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 22:50:33,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:33,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:50:34,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:34,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 500 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:50:34,097 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:34,100 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 22:50:34,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:34,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 151 states and 211 transitions. [2023-12-02 22:50:34,109 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 211 transitions. [2023-12-02 22:50:34,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-02 22:50:34,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:34,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:50:34,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:34,389 INFO L262 TraceCheckSpWp]: Trace formula consists of 537 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:50:34,393 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:34,397 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 22:50:44,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:50:44,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:44,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 151 states and 209 transitions. [2023-12-02 22:50:44,465 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 209 transitions. [2023-12-02 22:50:44,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 22:50:44,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:44,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:50:44,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:44,779 INFO L262 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:50:44,782 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:44,898 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 22:50:55,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:51:05,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:51:15,093 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:51:25,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:51:35,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:51:45,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:51:55,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:52:06,016 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 [] [2023-12-02 22:52:06,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:52:06,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 197 states and 269 transitions. [2023-12-02 22:52:06,048 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 269 transitions. [2023-12-02 22:52:06,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-02 22:52:06,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:52:06,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:52:06,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:06,339 INFO L262 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:52:06,340 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:52:06,343 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 22:52:06,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:52:06,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 197 states and 265 transitions. [2023-12-02 22:52:06,354 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 265 transitions. [2023-12-02 22:52:06,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-02 22:52:06,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:52:06,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:52:06,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:06,645 INFO L262 TraceCheckSpWp]: Trace formula consists of 560 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:52:06,648 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:52:06,652 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 22:52:16,668 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 [] [2023-12-02 22:52:16,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:52:16,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 197 states and 263 transitions. [2023-12-02 22:52:16,702 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 263 transitions. [2023-12-02 22:52:16,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-02 22:52:16,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:52:16,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:52:17,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:17,022 INFO L262 TraceCheckSpWp]: Trace formula consists of 569 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:52:17,024 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:52:17,099 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:52:27,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:52:37,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:52:47,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:52:57,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:52:57,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:52:57,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 200 states and 265 transitions. [2023-12-02 22:52:57,239 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 265 transitions. [2023-12-02 22:52:57,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-02 22:52:57,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:52:57,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:52:57,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:57,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 587 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:52:57,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:52:57,495 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 22:52:57,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:52:57,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 200 states and 263 transitions. [2023-12-02 22:52:57,563 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 263 transitions. [2023-12-02 22:52:57,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-02 22:52:57,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:52:57,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:52:57,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:52:57,859 INFO L262 TraceCheckSpWp]: Trace formula consists of 569 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:52:57,861 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:52:57,932 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:53:07,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:53:17,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:53:28,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:53:38,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:53:38,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:38,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 183 states and 242 transitions. [2023-12-02 22:53:38,093 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 242 transitions. [2023-12-02 22:53:38,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 22:53:38,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:38,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:53:48,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 22:53:48,404 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) [2023-12-02 22:53:48,407 INFO L158 Benchmark]: Toolchain (without parser) took 302434.00ms. Allocated memory was 148.9MB in the beginning and 234.9MB in the end (delta: 86.0MB). Free memory was 102.9MB in the beginning and 111.8MB in the end (delta: -9.0MB). Peak memory consumption was 79.7MB. Max. memory is 16.1GB. [2023-12-02 22:53:48,407 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 109.1MB. Free memory is still 85.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:53:48,407 INFO L158 Benchmark]: CACSL2BoogieTranslator took 674.35ms. Allocated memory is still 148.9MB. Free memory was 102.7MB in the beginning and 104.9MB in the end (delta: -2.2MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2023-12-02 22:53:48,408 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.51ms. Allocated memory is still 148.9MB. Free memory was 104.9MB in the beginning and 95.6MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-02 22:53:48,408 INFO L158 Benchmark]: Boogie Preprocessor took 99.50ms. Allocated memory is still 148.9MB. Free memory was 95.6MB in the beginning and 85.5MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 22:53:48,409 INFO L158 Benchmark]: RCFGBuilder took 3112.46ms. Allocated memory was 148.9MB in the beginning and 234.9MB in the end (delta: 86.0MB). Free memory was 85.5MB in the beginning and 156.4MB in the end (delta: -70.9MB). Peak memory consumption was 80.7MB. Max. memory is 16.1GB. [2023-12-02 22:53:48,409 INFO L158 Benchmark]: CodeCheck took 298447.02ms. Allocated memory is still 234.9MB. Free memory was 156.4MB in the beginning and 111.8MB in the end (delta: 44.6MB). Peak memory consumption was 44.3MB. Max. memory is 16.1GB. [2023-12-02 22:53:48,412 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 0.26ms. Allocated memory is still 109.1MB. Free memory is still 85.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 674.35ms. Allocated memory is still 148.9MB. Free memory was 102.7MB in the beginning and 104.9MB in the end (delta: -2.2MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.51ms. Allocated memory is still 148.9MB. Free memory was 104.9MB in the beginning and 95.6MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 99.50ms. Allocated memory is still 148.9MB. Free memory was 95.6MB in the beginning and 85.5MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 3112.46ms. Allocated memory was 148.9MB in the beginning and 234.9MB in the end (delta: 86.0MB). Free memory was 85.5MB in the beginning and 156.4MB in the end (delta: -70.9MB). Peak memory consumption was 80.7MB. Max. memory is 16.1GB. * CodeCheck took 298447.02ms. Allocated memory is still 234.9MB. Free memory was 156.4MB in the beginning and 111.8MB in the end (delta: 44.6MB). Peak memory consumption was 44.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 22:53:48,608 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/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_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/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_a55f5475-b794-493f-8a1d-69f81f20c915/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 9e43379b3f2624d77eec1084820c7c07499f5ec4432514ab066d4f5cf96eeebc --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:53:50,387 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:53:50,465 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 22:53:50,498 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:53:50,499 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:53:50,499 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:53:50,500 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:53:50,500 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:53:50,501 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:53:50,502 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:53:50,502 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:53:50,503 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:53:50,503 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:53:50,504 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:53:50,504 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:53:50,505 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:53:50,505 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:53:50,506 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:53:50,507 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:53:50,507 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:53:50,508 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:53:50,509 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:53:50,509 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:53:50,510 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:53:50,510 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:53:50,511 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:50,511 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:53:50,512 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:53:50,512 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:53:50,513 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:53:50,513 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:53:50,514 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:53:50,514 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:53:50,514 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:50,515 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:53:50,515 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:53:50,515 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:53:50,515 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_a55f5475-b794-493f-8a1d-69f81f20c915/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e43379b3f2624d77eec1084820c7c07499f5ec4432514ab066d4f5cf96eeebc [2023-12-02 22:53:50,825 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:53:50,847 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:53:50,850 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:53:50,852 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:53:50,852 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:53:50,854 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-2.i [2023-12-02 22:53:53,666 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:53:53,966 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:53:53,967 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-2.i [2023-12-02 22:53:53,986 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/data/dd442bff7/c366eb7c26194dcfb5dffa1dfb1376c2/FLAGa297f7161 [2023-12-02 22:53:54,002 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/data/dd442bff7/c366eb7c26194dcfb5dffa1dfb1376c2 [2023-12-02 22:53:54,005 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:53:54,006 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:53:54,008 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:53:54,008 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:53:54,013 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:53:54,014 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:53:54" (1/1) ... [2023-12-02 22:53:54,016 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d57e0ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:54, skipping insertion in model container [2023-12-02 22:53:54,016 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:53:54" (1/1) ... [2023-12-02 22:53:54,092 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:53:54,481 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_a55f5475-b794-493f-8a1d-69f81f20c915/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-2.i[33021,33034] [2023-12-02 22:53:54,581 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_a55f5475-b794-493f-8a1d-69f81f20c915/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-2.i[44124,44137] [2023-12-02 22:53:54,582 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-2.i[44245,44258] [2023-12-02 22:53:54,597 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:53:54,612 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-02 22:53:54,621 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:53:54,662 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_a55f5475-b794-493f-8a1d-69f81f20c915/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-2.i[33021,33034] [2023-12-02 22:53:54,732 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_a55f5475-b794-493f-8a1d-69f81f20c915/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-2.i[44124,44137] [2023-12-02 22:53:54,733 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_a55f5475-b794-493f-8a1d-69f81f20c915/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-2.i[44245,44258] [2023-12-02 22:53:54,742 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:53:54,747 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:53:54,770 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_a55f5475-b794-493f-8a1d-69f81f20c915/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-2.i[33021,33034] [2023-12-02 22:53:54,809 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_a55f5475-b794-493f-8a1d-69f81f20c915/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-2.i[44124,44137] [2023-12-02 22:53:54,810 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_a55f5475-b794-493f-8a1d-69f81f20c915/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-2.i[44245,44258] [2023-12-02 22:53:54,816 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:53:54,846 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:53:54,852 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:53:54,853 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:54 WrapperNode [2023-12-02 22:53:54,853 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:53:54,854 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:53:54,854 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:53:54,854 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:53:54,860 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:54" (1/1) ... [2023-12-02 22:53:54,893 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:54" (1/1) ... [2023-12-02 22:53:54,947 INFO L138 Inliner]: procedures = 179, calls = 328, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1160 [2023-12-02 22:53:54,947 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:53:54,948 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:53:54,948 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:53:54,949 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:53:54,956 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:54" (1/1) ... [2023-12-02 22:53:54,956 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:54" (1/1) ... [2023-12-02 22:53:54,967 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:54" (1/1) ... [2023-12-02 22:53:54,967 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:54" (1/1) ... [2023-12-02 22:53:55,035 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:54" (1/1) ... [2023-12-02 22:53:55,047 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:54" (1/1) ... [2023-12-02 22:53:55,054 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:54" (1/1) ... [2023-12-02 22:53:55,060 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:54" (1/1) ... [2023-12-02 22:53:55,071 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:53:55,073 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:53:55,073 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:53:55,073 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:53:55,074 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:54" (1/1) ... [2023-12-02 22:53:55,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:53:55,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:53:55,113 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:53:55,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:53:55,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-02 22:53:55,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 22:53:55,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 22:53:55,155 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 22:53:55,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 22:53:55,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:53:55,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 22:53:55,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:53:55,156 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-02 22:53:55,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 22:53:55,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:53:55,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 22:53:55,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:53:55,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:53:55,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:53:55,371 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:53:55,373 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:54:11,706 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:54:12,124 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:54:12,124 INFO L309 CfgBuilder]: Removed 72 assume(true) statements. [2023-12-02 22:54:12,125 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:54:12 BoogieIcfgContainer [2023-12-02 22:54:12,126 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:54:12,127 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:54:12,127 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:54:12,134 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:54:12,134 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:54:12" (1/1) ... [2023-12-02 22:54:12,142 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:54:12,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:12,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 131 states and 223 transitions. [2023-12-02 22:54:12,194 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 223 transitions. [2023-12-02 22:54:12,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:54:12,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:12,196 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:12,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:12,198 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:12,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 22:54:12,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:12,554 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:12,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:12,627 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:54:12,631 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:12,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:54:12,651 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 22:54:12,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 22:54:12,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:12,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 131 states and 220 transitions. [2023-12-02 22:54:12,683 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 220 transitions. [2023-12-02 22:54:12,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 22:54:12,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:12,684 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:12,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:12,686 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:12,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 22:54:13,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:13,018 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:13,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:13,082 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:54:13,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:13,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:54:13,222 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 22:54:13,222 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 22:54:13,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:13,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 138 states and 230 transitions. [2023-12-02 22:54:13,641 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 230 transitions. [2023-12-02 22:54:13,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 22:54:13,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:13,642 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:13,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:13,643 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:13,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 22:54:13,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:13,888 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:13,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:13,954 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:54:13,957 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:13,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:54:13,962 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 22:54:13,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 22:54:13,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:13,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 138 states and 227 transitions. [2023-12-02 22:54:13,970 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 227 transitions. [2023-12-02 22:54:13,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 22:54:13,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:13,975 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:13,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:13,976 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:13,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 22:54:14,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:14,266 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:14,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:14,325 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:54:14,327 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:14,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:54:14,334 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 22:54:14,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-12-02 22:54:14,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:14,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 138 states and 223 transitions. [2023-12-02 22:54:14,342 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 223 transitions. [2023-12-02 22:54:14,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 22:54:14,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:14,343 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:14,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:14,345 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:14,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 22:54:14,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:14,644 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:14,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:14,759 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:54:14,761 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:14,763 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:54:14,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-12-02 22:54:14,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:14,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 138 states and 221 transitions. [2023-12-02 22:54:14,775 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 221 transitions. [2023-12-02 22:54:14,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 22:54:14,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:14,777 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:14,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:14,779 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:14,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 22:54:15,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:15,064 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:15,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:15,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:54:15,121 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:15,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:54:15,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-12-02 22:54:15,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:15,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 138 states and 219 transitions. [2023-12-02 22:54:15,133 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 219 transitions. [2023-12-02 22:54:15,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 22:54:15,134 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:15,134 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:15,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:15,136 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:15,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-02 22:54:15,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:15,430 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:15,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:15,534 INFO L262 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:54:15,536 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:15,538 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:54:15,542 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 22:54:15,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-02 22:54:15,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:15,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 138 states and 215 transitions. [2023-12-02 22:54:15,550 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 215 transitions. [2023-12-02 22:54:15,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 22:54:15,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:15,552 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:15,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:15,555 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:15,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-02 22:54:15,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:15,822 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:15,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:15,894 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:54:15,896 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:15,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:54:15,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-02 22:54:15,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:15,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 138 states and 213 transitions. [2023-12-02 22:54:15,930 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 213 transitions. [2023-12-02 22:54:15,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 22:54:15,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:15,931 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:15,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:15,932 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:15,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-02 22:54:16,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:16,311 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:16,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:16,400 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 22:54:16,403 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:16,430 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 22:54:16,431 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 22:54:16,431 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 22:54:16,440 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 [2023-12-02 22:54:16,562 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 22:54:16,563 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 [2023-12-02 22:54:16,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:54:16,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-02 22:54:16,604 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 22:54:17,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:17,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 140 states and 216 transitions. [2023-12-02 22:54:17,393 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 216 transitions. [2023-12-02 22:54:17,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 22:54:17,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:17,393 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:17,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:17,394 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:17,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-02 22:54:17,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:17,679 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:17,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:17,781 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:54:17,782 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:17,785 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:54:17,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-02 22:54:17,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:17,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 140 states and 210 transitions. [2023-12-02 22:54:17,799 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 210 transitions. [2023-12-02 22:54:17,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 22:54:17,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:17,800 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:17,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:17,801 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:17,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-02 22:54:18,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:18,213 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:18,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:18,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:54:18,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:18,401 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:54:18,406 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-02 22:54:19,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:19,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 140 states and 204 transitions. [2023-12-02 22:54:19,230 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 204 transitions. [2023-12-02 22:54:19,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-02 22:54:19,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:19,231 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:19,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:19,232 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:19,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-02 22:54:19,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:19,693 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:19,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:19,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:54:19,912 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:20,013 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:54:20,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-02 22:54:20,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:20,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 151 states and 215 transitions. [2023-12-02 22:54:20,529 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 215 transitions. [2023-12-02 22:54:20,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-02 22:54:20,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:20,529 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:20,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:20,530 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:20,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-02 22:54:20,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:20,973 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:21,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:21,171 INFO L262 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:54:21,172 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:21,175 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:54:21,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-02 22:54:21,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:21,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 151 states and 213 transitions. [2023-12-02 22:54:21,190 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 213 transitions. [2023-12-02 22:54:21,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-02 22:54:21,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:21,190 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:21,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:21,191 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:21,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-02 22:54:21,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:21,634 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:21,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:21,824 INFO L262 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:54:21,826 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:21,828 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:54:21,833 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-02 22:54:21,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:21,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 151 states and 211 transitions. [2023-12-02 22:54:21,841 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 211 transitions. [2023-12-02 22:54:21,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-02 22:54:21,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:21,841 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:21,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:21,842 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:21,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-02 22:54:22,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:22,416 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:22,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:22,642 INFO L262 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:54:22,644 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:22,646 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:54:22,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2023-12-02 22:54:22,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:22,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 151 states and 209 transitions. [2023-12-02 22:54:22,657 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 209 transitions. [2023-12-02 22:54:22,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-02 22:54:22,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:22,658 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:22,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:22,659 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:22,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-02 22:54:23,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:23,249 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:23,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:23,487 INFO L262 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:54:23,488 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:23,598 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:54:23,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-02 22:54:23,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:23,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:54:23,646 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:54:23,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:54:23,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:23,647 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:23,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:23,648 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:23,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-02 22:54:24,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:24,263 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:24,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:24,569 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:54:24,571 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:24,682 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:54:24,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-02 22:54:24,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:24,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:54:24,812 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:54:24,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:54:24,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:24,812 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:24,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:24,813 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:24,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-02 22:54:25,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:25,549 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:25,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:25,848 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:54:25,850 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:25,859 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:54:25,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-02 22:54:25,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:25,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:54:25,873 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:54:25,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:54:25,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:25,874 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:25,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:25,875 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:25,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-02 22:54:26,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:26,606 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:26,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:26,903 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:54:26,904 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:26,913 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:54:26,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-02 22:54:26,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:26,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:54:26,930 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:54:26,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:54:26,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:26,930 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:26,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:26,931 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:26,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-02 22:54:27,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:27,702 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:27,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:28,001 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:54:28,003 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:28,012 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:54:28,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-02 22:54:28,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:28,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:54:28,028 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:54:28,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:54:28,028 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:28,029 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:28,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:28,030 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:28,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-02 22:54:28,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:28,840 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:29,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:29,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:54:29,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:29,155 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:54:29,165 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-02 22:54:29,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:29,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:54:29,174 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:54:29,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:54:29,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:29,175 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:29,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:29,176 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:29,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-02 22:54:29,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:29,947 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:30,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:30,220 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:54:30,222 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:30,232 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:54:30,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-02 22:54:30,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:30,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:54:30,248 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:54:30,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:54:30,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:30,249 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:30,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:30,250 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:30,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-02 22:54:31,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:31,191 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:31,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:31,439 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:54:31,441 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:31,450 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:54:31,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2023-12-02 22:54:31,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:31,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:54:31,468 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:54:31,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:54:31,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:31,468 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:31,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:31,469 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:31,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-02 22:54:32,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:32,444 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:32,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:32,751 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:54:32,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:32,762 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:54:32,774 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2023-12-02 22:54:32,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:32,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:54:32,782 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:54:32,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:54:32,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:32,782 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:32,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:32,783 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:32,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-02 22:54:33,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:33,802 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:34,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:34,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:54:34,081 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:34,091 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:54:34,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-02 22:54:34,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:34,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:54:34,117 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:54:34,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:54:34,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:34,118 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:34,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:34,118 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:34,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-02 22:54:35,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:35,117 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:35,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:35,394 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:54:35,396 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:35,405 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:54:35,417 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-02 22:54:35,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:35,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:54:35,424 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:54:35,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:54:35,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:35,432 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:35,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:35,433 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:35,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-02 22:54:36,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:36,514 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:36,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:36,838 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:54:36,840 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:36,849 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:54:36,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-02 22:54:36,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:36,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:54:36,882 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:54:36,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:54:36,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:36,883 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:36,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:36,884 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:36,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-02 22:54:38,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:38,016 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:38,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:38,311 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:54:38,312 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:38,321 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:54:38,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-02 22:54:38,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:38,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:54:38,342 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:54:38,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:54:38,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:38,342 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:38,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:38,343 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:38,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-02 22:54:39,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:39,484 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:39,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:39,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:54:39,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:39,798 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:54:39,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-02 22:54:39,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:39,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:54:39,819 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:54:39,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:54:39,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:39,819 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:39,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:39,820 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:39,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-02 22:54:40,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:40,850 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:41,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:41,165 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:54:41,166 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:41,177 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:54:41,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Forceful destruction successful, exit code 0 [2023-12-02 22:54:41,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:41,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:54:41,202 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:54:41,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:54:41,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:41,203 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:41,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:41,204 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:41,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-02 22:54:42,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:42,472 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:42,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:42,768 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:54:42,769 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:42,778 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:54:42,794 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-02 22:54:42,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:42,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:54:42,801 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:54:42,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:54:42,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:42,802 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:42,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:42,803 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:42,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-02 22:54:43,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:43,976 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:44,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:44,261 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:54:44,263 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:44,272 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:54:44,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-02 22:54:44,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:44,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:54:44,295 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:54:44,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:54:44,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:44,296 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:44,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:44,297 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:44,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-02 22:54:45,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:45,510 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:45,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:45,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:54:45,797 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:45,806 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:54:45,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-02 22:54:45,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:45,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:54:45,830 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:54:45,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:54:45,831 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:45,831 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:45,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:45,832 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:45,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-02 22:54:47,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:47,296 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:47,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:47,579 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:54:47,581 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:47,589 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:54:47,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-02 22:54:47,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:47,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:54:47,617 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:54:47,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:54:47,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:47,618 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:47,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:47,619 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:47,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-02 22:54:48,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:48,860 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:49,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:49,160 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:54:49,162 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:49,173 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:54:49,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-02 22:54:49,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:49,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:54:49,200 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:54:49,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:54:49,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:49,200 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:49,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:49,201 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:49,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-02 22:54:50,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:50,638 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:50,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:50,927 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:54:50,928 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:50,937 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:54:50,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-02 22:54:50,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:50,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:54:50,968 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:54:50,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:54:50,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:50,968 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:50,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:50,969 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:50,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-02 22:54:52,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:52,393 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:52,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:52,654 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:54:52,656 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:52,665 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:54:52,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-02 22:54:52,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:52,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:54:52,693 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:54:52,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:54:52,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:52,693 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:52,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:52,694 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:52,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-02 22:54:54,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:54,454 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:54,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:54,745 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:54:54,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:54,756 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:54:54,777 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Forceful destruction successful, exit code 0 [2023-12-02 22:54:54,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:54,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:54:54,784 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:54:54,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:54:54,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:54,785 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:54,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:54,786 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:54,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-02 22:54:56,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:56,297 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:56,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:56,588 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:54:56,590 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:56,599 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:54:56,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-02 22:54:56,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:56,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:54:56,630 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:54:56,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:54:56,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:56,631 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:56,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:56,632 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:56,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-02 22:54:58,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:58,156 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:54:58,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:54:58,466 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:54:58,467 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:54:58,477 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:54:58,502 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Forceful destruction successful, exit code 0 [2023-12-02 22:54:58,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:54:58,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:54:58,510 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:54:58,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:54:58,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:54:58,511 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:58,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:54:58,512 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:54:58,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-02 22:55:00,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:55:00,106 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:55:00,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:55:00,380 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:55:00,381 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:55:00,390 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:55:00,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-02 22:55:00,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:55:00,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:55:00,419 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:55:00,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:55:00,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:55:00,420 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:55:00,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:55:00,421 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:55:00,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-02 22:55:02,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:55:02,068 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:55:02,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:55:02,359 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:55:02,360 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:55:02,368 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:55:02,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-02 22:55:02,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:55:02,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:55:02,403 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:55:02,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:55:02,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:55:02,403 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:55:02,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:55:02,404 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:55:02,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-02 22:55:04,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:55:04,056 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:55:04,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:55:04,327 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:55:04,328 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:55:04,336 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:55:04,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-02 22:55:04,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:55:04,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:55:04,368 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:55:04,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:55:04,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:55:04,369 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:55:04,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:55:04,370 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:55:04,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-02 22:55:05,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:55:05,957 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:55:06,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:55:06,235 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:55:06,236 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:55:06,245 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:55:06,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-02 22:55:06,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:55:06,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:55:06,280 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:55:06,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:55:06,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:55:06,280 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:55:06,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:55:06,281 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:55:06,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-02 22:55:07,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:55:07,973 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:55:08,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:55:08,240 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:55:08,242 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:55:08,250 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:55:08,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-02 22:55:08,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:55:08,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:55:08,283 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:55:08,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:55:08,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:55:08,283 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:55:08,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:55:08,284 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:55:08,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-02 22:55:09,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:55:09,929 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:55:10,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:55:10,208 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:55:10,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:55:10,218 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:55:10,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-02 22:55:10,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:55:10,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:55:10,252 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:55:10,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:55:10,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:55:10,253 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:55:10,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:55:10,254 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:55:10,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-02 22:55:12,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:55:12,022 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:55:12,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:55:12,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:55:12,324 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:55:12,334 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:55:12,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-02 22:55:12,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:55:12,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:55:12,371 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:55:12,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:55:12,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:55:12,371 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:55:12,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:55:12,373 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:55:12,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-02 22:55:14,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:55:14,322 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:55:14,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:55:14,631 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:55:14,632 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:55:14,643 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:55:14,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-02 22:55:14,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:55:14,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:55:14,678 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:55:14,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:55:14,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:55:14,679 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:55:14,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:55:14,680 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:55:14,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-02 22:55:16,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:55:16,555 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:55:16,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:55:16,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:55:16,829 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:55:16,837 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:55:16,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-02 22:55:16,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:55:16,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:55:16,873 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:55:16,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:55:16,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:55:16,874 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:55:16,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:55:16,874 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:55:16,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-02 22:55:18,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:55:18,767 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:55:19,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:55:19,051 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:55:19,052 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:55:19,061 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:55:19,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-02 22:55:19,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:55:19,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:55:19,101 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:55:19,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:55:19,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:55:19,101 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:55:19,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:55:19,102 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:55:19,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-02 22:55:21,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:55:21,135 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:55:21,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:55:21,435 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:55:21,436 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:55:21,445 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:55:21,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-02 22:55:21,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:55:21,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:55:21,483 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:55:21,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:55:21,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:55:21,483 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:55:21,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:55:21,484 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:55:21,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-02 22:55:23,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:55:23,466 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:55:23,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:55:23,764 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:55:23,766 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:55:23,774 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:55:23,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-02 22:55:23,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:55:23,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:55:23,812 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:55:23,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:55:23,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:55:23,812 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:55:23,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:55:23,813 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:55:23,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-02 22:55:25,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:55:25,924 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:55:26,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:55:26,175 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:55:26,176 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:55:26,185 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:55:26,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-02 22:55:26,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:55:26,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:55:26,248 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:55:26,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:55:26,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:55:26,248 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:55:26,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:55:26,249 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:55:26,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-02 22:55:28,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:55:28,416 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:55:28,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:55:28,704 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:55:28,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:55:28,713 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:55:28,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-02 22:55:28,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:55:28,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:55:28,754 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:55:28,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:55:28,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:55:28,754 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:55:28,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:55:28,755 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:55:28,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-02 22:55:30,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:55:30,848 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:55:31,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:55:31,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:55:31,151 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:55:31,159 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:55:31,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-02 22:55:31,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:55:31,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:55:31,200 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:55:31,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:55:31,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:55:31,201 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:55:31,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:55:31,202 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:55:31,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-02 22:55:33,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:55:33,430 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:55:33,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:55:33,705 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:55:33,706 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:55:33,714 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:55:33,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-02 22:55:33,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:55:33,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:55:33,756 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:55:33,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:55:33,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:55:33,757 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:55:33,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:55:33,757 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:55:33,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-02 22:55:36,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:55:36,031 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:55:36,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:55:36,325 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:55:36,326 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:55:36,334 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:55:36,369 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-02 22:55:36,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:55:36,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:55:36,376 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:55:36,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:55:36,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:55:36,376 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:55:36,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:55:36,377 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:55:36,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-02 22:55:38,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:55:38,681 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:55:38,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:55:38,968 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:55:38,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:55:38,977 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:55:38,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2023-12-02 22:55:39,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:55:39,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:55:39,003 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:55:39,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:55:39,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:55:39,004 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:55:39,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:55:39,005 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:55:39,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-02 22:55:41,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:55:41,273 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:55:41,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:55:41,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:55:41,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:55:41,562 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:55:41,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2023-12-02 22:55:41,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:55:41,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:55:41,589 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:55:41,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:55:41,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:55:41,589 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:55:41,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:55:41,590 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:55:41,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-02 22:55:44,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:55:44,028 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:55:44,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:55:44,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:55:44,303 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:55:44,312 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:55:44,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Forceful destruction successful, exit code 0 [2023-12-02 22:55:44,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:55:44,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:55:44,338 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:55:44,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:55:44,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:55:44,339 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:55:44,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:55:44,340 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:55:44,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-02 22:55:46,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:55:46,701 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:55:46,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:55:46,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:55:46,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:55:47,005 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:55:47,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2023-12-02 22:55:47,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:55:47,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:55:47,034 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:55:47,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:55:47,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:55:47,034 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:55:47,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:55:47,035 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:55:47,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-02 22:55:49,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:55:49,361 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:55:49,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:55:49,655 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:55:49,657 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:55:49,666 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:55:49,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2023-12-02 22:55:49,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:55:49,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:55:49,693 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:55:49,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:55:49,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:55:49,693 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:55:49,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:55:49,694 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:55:49,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-02 22:55:52,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:55:52,131 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:55:52,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:55:52,420 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:55:52,421 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:55:52,429 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:55:52,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2023-12-02 22:55:52,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:55:52,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:55:52,457 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:55:52,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:55:52,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:55:52,458 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:55:52,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:55:52,459 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:55:52,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2023-12-02 22:55:54,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:55:54,903 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:55:55,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:55:55,175 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:55:55,176 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:55:55,184 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:55:55,206 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2023-12-02 22:55:55,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:55:55,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:55:55,213 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:55:55,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:55:55,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:55:55,213 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:55:55,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:55:55,214 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:55:55,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-12-02 22:55:57,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:55:57,817 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:55:58,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:55:58,108 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:55:58,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:55:58,117 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:55:58,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2023-12-02 22:55:58,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:55:58,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:55:58,146 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:55:58,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:55:58,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:55:58,147 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:55:58,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:55:58,147 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:55:58,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2023-12-02 22:56:00,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:00,684 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:56:00,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:00,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:56:00,979 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:56:00,988 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:56:01,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2023-12-02 22:56:01,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:56:01,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:56:01,037 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:56:01,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:56:01,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:56:01,037 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:56:01,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:56:01,038 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:56:01,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2023-12-02 22:56:03,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:03,490 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:56:03,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:03,791 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:56:03,792 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:56:03,801 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:56:03,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2023-12-02 22:56:03,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:56:03,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:56:03,830 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:56:03,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:56:03,831 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:56:03,831 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:56:03,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:56:03,832 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:56:03,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2023-12-02 22:56:06,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:06,531 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:56:06,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:06,807 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:56:06,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:56:06,818 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:56:06,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2023-12-02 22:56:06,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:56:06,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:56:06,853 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:56:06,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:56:06,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:56:06,854 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:56:06,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:56:06,854 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:56:06,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2023-12-02 22:56:09,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:09,582 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:56:09,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:09,908 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:56:09,909 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:56:09,917 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:56:09,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2023-12-02 22:56:09,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:56:09,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:56:09,948 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:56:09,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:56:09,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:56:09,948 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:56:09,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:56:09,949 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:56:09,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2023-12-02 22:56:12,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:12,621 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:56:12,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:12,883 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:56:12,885 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:56:12,893 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:56:12,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2023-12-02 22:56:12,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:56:12,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:56:12,925 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:56:12,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:56:12,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:56:12,925 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:56:12,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:56:12,926 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:56:12,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2023-12-02 22:56:15,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:15,607 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:56:15,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:15,896 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:56:15,897 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:56:15,906 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:56:15,931 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2023-12-02 22:56:15,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:56:15,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:56:15,937 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:56:15,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:56:15,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:56:15,937 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:56:15,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:56:15,938 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:56:15,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2023-12-02 22:56:18,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:18,777 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:56:19,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:19,028 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:56:19,029 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:56:19,039 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:56:19,064 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2023-12-02 22:56:19,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:56:19,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:56:19,071 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:56:19,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:56:19,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:56:19,072 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:56:19,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:56:19,073 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:56:19,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2023-12-02 22:56:21,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:21,840 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:56:22,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:22,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:56:22,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:56:22,121 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:56:22,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2023-12-02 22:56:22,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:56:22,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:56:22,153 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:56:22,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:56:22,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:56:22,154 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:56:22,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:56:22,155 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:56:22,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2023-12-02 22:56:25,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:25,035 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:56:25,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:25,319 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:56:25,321 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:56:25,328 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:56:25,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2023-12-02 22:56:25,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:56:25,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:56:25,361 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:56:25,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:56:25,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:56:25,362 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:56:25,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:56:25,362 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:56:25,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2023-12-02 22:56:28,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:28,263 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:56:28,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:28,550 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:56:28,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:56:28,560 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:56:28,586 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2023-12-02 22:56:28,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:56:28,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:56:28,592 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:56:28,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:56:28,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:56:28,593 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:56:28,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:56:28,594 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:56:28,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2023-12-02 22:56:31,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:31,436 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:56:31,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:31,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:56:31,719 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:56:31,727 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:56:31,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2023-12-02 22:56:31,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:56:31,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:56:31,760 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:56:31,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:56:31,760 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:56:31,761 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:56:31,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:56:31,761 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:56:31,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2023-12-02 22:56:34,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:34,610 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:56:34,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:34,868 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:56:34,870 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:56:34,877 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:56:34,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2023-12-02 22:56:34,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:56:34,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:56:34,910 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:56:34,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:56:34,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:56:34,910 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:56:34,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:56:34,911 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:56:34,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2023-12-02 22:56:37,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:37,715 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:56:38,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:38,031 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:56:38,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:56:38,041 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:56:38,068 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2023-12-02 22:56:38,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:56:38,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:56:38,074 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:56:38,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:56:38,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:56:38,074 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:56:38,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:56:38,075 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:56:38,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2023-12-02 22:56:40,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:40,913 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:56:41,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:41,177 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:56:41,178 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:56:41,186 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:56:41,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2023-12-02 22:56:41,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:56:41,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:56:41,220 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:56:41,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:56:41,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:56:41,221 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:56:41,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:56:41,222 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:56:41,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2023-12-02 22:56:44,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:44,307 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:56:44,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:44,625 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:56:44,627 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:56:44,635 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:56:44,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Forceful destruction successful, exit code 0 [2023-12-02 22:56:44,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:56:44,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:56:44,670 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:56:44,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:56:44,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:56:44,670 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:56:44,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:56:44,671 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:56:44,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2023-12-02 22:56:47,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:47,810 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:56:48,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:48,123 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:56:48,125 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:56:48,133 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:56:48,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Forceful destruction successful, exit code 0 [2023-12-02 22:56:48,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:56:48,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:56:48,168 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:56:48,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:56:48,168 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:56:48,168 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:56:48,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:56:48,169 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:56:48,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2023-12-02 22:56:51,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:51,367 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:56:51,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:51,675 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:56:51,676 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:56:51,683 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:56:51,712 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2023-12-02 22:56:51,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:56:51,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:56:51,719 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:56:51,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:56:51,719 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:56:51,719 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:56:51,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:56:51,720 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:56:51,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2023-12-02 22:56:54,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:54,915 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:56:55,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:55,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:56:55,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:56:55,211 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:56:55,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2023-12-02 22:56:55,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:56:55,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:56:55,247 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:56:55,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:56:55,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:56:55,247 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:56:55,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:56:55,248 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:56:55,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2023-12-02 22:56:58,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:58,495 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:56:58,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:58,804 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:56:58,806 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:56:58,814 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:56:58,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2023-12-02 22:56:58,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:56:58,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:56:58,849 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:56:58,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:56:58,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:56:58,850 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:56:58,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:56:58,850 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:56:58,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2023-12-02 22:57:01,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:57:01,993 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:57:02,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:57:02,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:57:02,296 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:57:02,303 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:57:02,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2023-12-02 22:57:02,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:57:02,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:57:02,339 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:57:02,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:57:02,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:57:02,339 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:57:02,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:57:02,340 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:57:02,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2023-12-02 22:57:05,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:57:05,805 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:57:06,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:57:06,092 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:57:06,093 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:57:06,101 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:57:06,132 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2023-12-02 22:57:06,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:57:06,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:57:06,138 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:57:06,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:57:06,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:57:06,139 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:57:06,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:57:06,139 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:57:06,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2023-12-02 22:57:09,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:57:09,527 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:57:09,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:57:09,808 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:57:09,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:57:09,816 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:57:09,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2023-12-02 22:57:09,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:57:09,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:57:09,853 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:57:09,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:57:09,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:57:09,854 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:57:09,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:57:09,854 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:57:09,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2023-12-02 22:57:12,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:57:12,975 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:57:13,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:57:13,265 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:57:13,267 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:57:13,275 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:57:13,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2023-12-02 22:57:13,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:57:13,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:57:13,313 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:57:13,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:57:13,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:57:13,313 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:57:13,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:57:13,314 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:57:13,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2023-12-02 22:57:16,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:57:16,690 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:57:16,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:57:16,969 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:57:16,970 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:57:16,977 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:57:17,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2023-12-02 22:57:17,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:57:17,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:57:17,015 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:57:17,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:57:17,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:57:17,016 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:57:17,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:57:17,017 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:57:17,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2023-12-02 22:57:20,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:57:20,302 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:57:20,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:57:20,586 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:57:20,587 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:57:20,595 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:57:20,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2023-12-02 22:57:20,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:57:20,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:57:20,633 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:57:20,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:57:20,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:57:20,633 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:57:20,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:57:20,634 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:57:20,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2023-12-02 22:57:24,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:57:24,295 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:57:24,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:57:24,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:57:24,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:57:24,602 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:57:24,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2023-12-02 22:57:24,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:57:24,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:57:24,642 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:57:24,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:57:24,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:57:24,642 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:57:24,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:57:24,643 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:57:24,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2023-12-02 22:57:28,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:57:28,216 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:57:28,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:57:28,487 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:57:28,488 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:57:28,496 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:57:28,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2023-12-02 22:57:28,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:57:28,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:57:28,536 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:57:28,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:57:28,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:57:28,536 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:57:28,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:57:28,537 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:57:28,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2023-12-02 22:57:32,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:57:32,255 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:57:32,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:57:32,536 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:57:32,538 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:57:32,545 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:57:32,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2023-12-02 22:57:32,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:57:32,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:57:32,585 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:57:32,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:57:32,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:57:32,585 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:57:32,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:57:32,586 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:57:32,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2023-12-02 22:57:36,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:57:36,094 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:57:36,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:57:36,354 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:57:36,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:57:36,363 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:57:36,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2023-12-02 22:57:36,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:57:36,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:57:36,420 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:57:36,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:57:36,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:57:36,421 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:57:36,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:57:36,422 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:57:36,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2023-12-02 22:57:39,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:57:39,971 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:57:40,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:57:40,252 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:57:40,253 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:57:40,261 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:57:40,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Forceful destruction successful, exit code 0 [2023-12-02 22:57:40,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:57:40,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:57:40,302 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:57:40,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:57:40,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:57:40,302 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:57:40,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:57:40,303 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:57:40,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2023-12-02 22:57:43,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:57:43,936 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:57:44,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:57:44,201 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:57:44,202 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:57:44,210 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:57:44,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2023-12-02 22:57:44,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:57:44,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:57:44,250 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:57:44,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:57:44,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:57:44,251 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:57:44,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:57:44,251 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:57:44,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2023-12-02 22:57:47,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:57:47,753 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:57:48,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:57:48,054 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:57:48,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:57:48,063 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:57:48,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2023-12-02 22:57:48,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:57:48,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:57:48,106 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:57:48,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:57:48,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:57:48,106 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:57:48,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:57:48,107 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:57:48,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2023-12-02 22:57:51,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:57:51,744 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:57:51,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:57:52,017 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:57:52,018 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:57:52,026 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:57:52,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2023-12-02 22:57:52,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:57:52,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:57:52,068 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:57:52,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:57:52,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:57:52,068 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:57:52,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:57:52,069 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:57:52,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2023-12-02 22:57:56,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:57:56,000 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:57:56,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:57:56,280 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:57:56,282 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:57:56,290 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:57:56,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2023-12-02 22:57:56,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:57:56,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:57:56,333 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:57:56,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:57:56,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:57:56,333 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:57:56,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:57:56,334 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:57:56,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2023-12-02 22:58:00,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:58:00,209 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:58:00,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:58:00,470 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:58:00,471 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:58:00,479 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:58:00,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2023-12-02 22:58:00,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:58:00,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:58:00,522 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:58:00,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:58:00,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:58:00,523 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:58:00,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:58:00,523 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:58:00,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2023-12-02 22:58:04,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:58:04,408 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:58:04,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:58:04,687 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:58:04,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:58:04,696 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:58:04,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2023-12-02 22:58:04,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:58:04,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:58:04,739 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:58:04,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:58:04,740 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:58:04,740 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:58:04,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:58:04,741 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:58:04,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2023-12-02 22:58:08,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:58:08,725 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:58:08,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:58:08,994 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:58:08,995 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:58:09,003 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:58:09,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2023-12-02 22:58:09,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:58:09,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:58:09,046 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:58:09,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:58:09,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:58:09,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:58:09,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:58:09,047 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:58:09,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2023-12-02 22:58:13,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:58:13,162 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:58:13,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:58:13,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:58:13,458 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:58:13,467 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:58:13,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2023-12-02 22:58:13,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:58:13,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:58:13,509 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:58:13,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:58:13,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:58:13,510 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:58:13,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:58:13,511 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:58:13,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2023-12-02 22:58:17,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:58:17,231 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:58:17,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:58:17,525 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:58:17,527 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:58:17,535 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:58:17,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2023-12-02 22:58:17,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:58:17,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:58:17,579 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:58:17,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:58:17,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:58:17,579 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:58:17,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:58:17,580 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:58:17,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2023-12-02 22:58:21,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:58:21,618 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:58:21,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:58:21,930 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:58:21,931 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:58:21,940 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:58:21,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2023-12-02 22:58:21,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:58:21,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:58:21,984 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:58:21,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:58:21,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:58:21,984 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:58:21,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:58:21,985 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:58:21,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2023-12-02 22:58:26,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:58:26,053 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:58:26,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:58:26,348 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:58:26,349 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:58:26,357 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:58:26,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2023-12-02 22:58:26,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:58:26,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:58:26,401 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:58:26,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:58:26,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:58:26,401 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:58:26,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:58:26,402 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:58:26,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2023-12-02 22:58:30,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:58:30,545 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:58:30,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:58:30,846 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:58:30,847 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:58:30,855 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:58:30,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2023-12-02 22:58:30,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:58:30,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:58:30,900 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:58:30,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:58:30,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:58:30,901 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:58:30,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:58:30,901 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:58:30,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2023-12-02 22:58:34,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:58:34,827 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:58:35,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:58:35,090 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:58:35,091 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:58:35,098 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:58:35,137 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2023-12-02 22:58:35,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:58:35,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:58:35,143 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:58:35,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:58:35,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:58:35,144 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:58:35,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:58:35,145 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:58:35,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2023-12-02 22:58:39,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:58:39,313 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:58:39,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:58:39,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:58:39,575 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:58:39,584 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:58:39,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2023-12-02 22:58:39,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:58:39,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:58:39,630 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:58:39,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:58:39,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:58:39,630 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:58:39,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:58:39,631 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:58:39,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2023-12-02 22:58:43,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:58:43,592 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:58:43,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:58:43,886 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:58:43,888 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:58:43,896 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:58:43,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Forceful destruction successful, exit code 0 [2023-12-02 22:58:43,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:58:43,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:58:43,942 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:58:43,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:58:43,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:58:43,943 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:58:43,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:58:43,943 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:58:43,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2023-12-02 22:58:48,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:58:48,102 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:58:48,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:58:48,382 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:58:48,383 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:58:48,391 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:58:48,432 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2023-12-02 22:58:48,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:58:48,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:58:48,439 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:58:48,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:58:48,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:58:48,439 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:58:48,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:58:48,440 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:58:48,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2023-12-02 22:58:52,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:58:52,789 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:58:53,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:58:53,083 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:58:53,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:58:53,093 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:58:53,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2023-12-02 22:58:53,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:58:53,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:58:53,140 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:58:53,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:58:53,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:58:53,140 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:58:53,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:58:53,141 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:58:53,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2023-12-02 22:58:57,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:58:57,096 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:58:57,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:58:57,395 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:58:57,396 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:58:57,404 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:58:57,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2023-12-02 22:58:57,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:58:57,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:58:57,451 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:58:57,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:58:57,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:58:57,451 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:58:57,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:58:57,452 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:58:57,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2023-12-02 22:59:01,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:59:01,675 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:59:01,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:59:01,954 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:59:01,956 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:59:01,965 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:59:02,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Ended with exit code 0 [2023-12-02 22:59:02,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:59:02,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:59:02,014 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:59:02,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:59:02,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:59:02,015 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:59:02,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:59:02,016 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:59:02,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2023-12-02 22:59:06,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:59:06,279 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:59:06,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:59:06,621 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:59:06,623 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:59:06,631 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:59:06,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2023-12-02 22:59:06,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:59:06,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:59:06,681 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:59:06,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:59:06,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:59:06,682 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:59:06,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:59:06,682 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:59:06,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2023-12-02 22:59:10,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:59:10,856 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:59:11,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:59:11,151 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:59:11,152 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:59:11,161 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:59:11,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Forceful destruction successful, exit code 0 [2023-12-02 22:59:11,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:59:11,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:59:11,209 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:59:11,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:59:11,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:59:11,209 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:59:11,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:59:11,210 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:59:11,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2023-12-02 22:59:15,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:59:15,579 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:59:15,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:59:15,876 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:59:15,878 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:59:15,886 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:59:15,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2023-12-02 22:59:15,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:59:15,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:59:15,935 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:59:15,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:59:15,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:59:15,935 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:59:15,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:59:15,936 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:59:15,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2023-12-02 22:59:20,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:59:20,526 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:59:20,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:59:20,836 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:59:20,837 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:59:20,846 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:59:20,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Ended with exit code 0 [2023-12-02 22:59:20,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:59:20,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:59:20,895 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:59:20,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:59:20,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:59:20,896 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:59:20,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:59:20,897 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:59:20,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2023-12-02 22:59:25,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:59:25,326 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:59:25,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:59:25,624 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:59:25,625 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:59:25,632 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:59:25,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Ended with exit code 0 [2023-12-02 22:59:25,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:59:25,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:59:25,681 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:59:25,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:59:25,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:59:25,681 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:59:25,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:59:25,682 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:59:25,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2023-12-02 22:59:30,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:59:30,527 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:59:30,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:59:30,837 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:59:30,838 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:59:30,847 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:59:30,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Ended with exit code 0 [2023-12-02 22:59:30,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:59:30,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:59:30,896 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:59:30,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:59:30,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:59:30,896 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:59:30,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:59:30,897 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:59:30,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2023-12-02 22:59:35,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:59:35,454 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:59:35,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:59:35,745 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:59:35,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:59:35,772 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:59:35,816 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Ended with exit code 0 [2023-12-02 22:59:35,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:59:35,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:59:35,822 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:59:35,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:59:35,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:59:35,822 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:59:35,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:59:35,823 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:59:35,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2023-12-02 22:59:40,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:59:40,388 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:59:40,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:59:40,681 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:59:40,683 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:59:40,691 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:59:40,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Ended with exit code 0 [2023-12-02 22:59:40,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:59:40,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:59:40,742 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:59:40,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:59:40,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:59:40,742 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:59:40,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:59:40,743 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:59:40,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2023-12-02 22:59:45,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:59:45,191 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:59:45,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:59:45,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:59:45,492 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:59:45,500 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:59:45,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2023-12-02 22:59:45,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:59:45,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:59:45,551 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:59:45,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:59:45,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:59:45,552 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:59:45,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:59:45,553 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:59:45,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2023-12-02 22:59:50,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:59:50,400 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:59:50,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:59:50,681 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:59:50,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:59:50,690 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:59:50,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Ended with exit code 0 [2023-12-02 22:59:50,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:59:50,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:59:50,741 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:59:50,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:59:50,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:59:50,742 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:59:50,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:59:50,743 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:59:50,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2023-12-02 22:59:55,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:59:55,253 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:59:55,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:59:55,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:59:55,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:59:55,543 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:59:55,589 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Ended with exit code 0 [2023-12-02 22:59:55,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:59:55,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 22:59:55,596 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 22:59:55,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:59:55,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:59:55,596 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:59:55,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:59:55,597 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:59:55,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2023-12-02 23:00:00,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:00:00,654 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:00:00,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:00:00,971 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:00:00,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:00:00,981 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:00:01,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Ended with exit code 0 [2023-12-02 23:00:01,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:00:01,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:00:01,034 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:00:01,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:00:01,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:00:01,034 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:00:01,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:00:01,035 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:00:01,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2023-12-02 23:00:05,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:00:05,796 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:00:06,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:00:06,087 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:00:06,088 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:00:06,095 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:00:06,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Ended with exit code 0 [2023-12-02 23:00:06,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:00:06,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:00:06,148 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:00:06,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:00:06,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:00:06,148 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:00:06,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:00:06,149 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:00:06,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2023-12-02 23:00:10,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:00:10,947 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:00:11,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:00:11,273 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:00:11,274 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:00:11,282 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:00:11,331 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Ended with exit code 0 [2023-12-02 23:00:11,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:00:11,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:00:11,338 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:00:11,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:00:11,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:00:11,339 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:00:11,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:00:11,339 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:00:11,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2023-12-02 23:00:16,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:00:16,110 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:00:16,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:00:16,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:00:16,397 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:00:16,405 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:00:16,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Ended with exit code 0 [2023-12-02 23:00:16,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:00:16,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:00:16,459 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:00:16,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:00:16,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:00:16,459 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:00:16,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:00:16,460 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:00:16,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2023-12-02 23:00:21,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:00:21,240 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:00:21,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:00:21,543 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:00:21,544 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:00:21,553 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:00:21,601 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Forceful destruction successful, exit code 0 [2023-12-02 23:00:21,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:00:21,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:00:21,607 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:00:21,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:00:21,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:00:21,607 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:00:21,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:00:21,608 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:00:21,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2023-12-02 23:00:26,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:00:26,934 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:00:27,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:00:27,229 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:00:27,230 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:00:27,238 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:00:27,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Ended with exit code 0 [2023-12-02 23:00:27,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:00:27,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:00:27,292 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:00:27,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:00:27,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:00:27,292 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:00:27,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:00:27,293 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:00:27,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2023-12-02 23:00:32,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:00:32,265 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:00:32,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:00:32,543 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:00:32,544 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:00:32,553 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:00:32,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Ended with exit code 0 [2023-12-02 23:00:32,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:00:32,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:00:32,608 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:00:32,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:00:32,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:00:32,608 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:00:32,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:00:32,609 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:00:32,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2023-12-02 23:00:37,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:00:37,537 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:00:37,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:00:37,831 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:00:37,832 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:00:37,840 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:00:37,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2023-12-02 23:00:37,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:00:37,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:00:37,895 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:00:37,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:00:37,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:00:37,895 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:00:37,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:00:37,896 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:00:37,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2023-12-02 23:00:42,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:00:42,783 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:00:43,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:00:43,059 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:00:43,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:00:43,067 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:00:43,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (135)] Ended with exit code 0 [2023-12-02 23:00:43,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:00:43,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:00:43,122 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:00:43,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:00:43,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:00:43,123 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:00:43,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:00:43,124 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:00:43,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2023-12-02 23:00:48,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:00:48,646 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:00:48,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:00:48,928 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:00:48,929 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:00:48,937 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:00:48,987 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (136)] Ended with exit code 0 [2023-12-02 23:00:48,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:00:48,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:00:48,993 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:00:48,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:00:48,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:00:48,993 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:00:48,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:00:48,994 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:00:48,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2023-12-02 23:00:54,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:00:54,301 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:00:54,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:00:54,617 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:00:54,619 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:00:54,626 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:00:54,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (137)] Ended with exit code 0 [2023-12-02 23:00:54,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:00:54,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:00:54,683 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:00:54,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:00:54,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:00:54,683 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:00:54,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:00:54,684 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:00:54,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2023-12-02 23:01:00,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:01:00,009 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:01:00,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:01:00,296 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:01:00,297 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:01:00,305 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:01:00,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (138)] Ended with exit code 0 [2023-12-02 23:01:00,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:01:00,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:01:00,361 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:01:00,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:01:00,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:01:00,362 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:01:00,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:01:00,363 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:01:00,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process [2023-12-02 23:01:05,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:01:05,346 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:01:05,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:01:05,611 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:01:05,612 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:01:05,619 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:01:05,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (139)] Ended with exit code 0 [2023-12-02 23:01:05,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:01:05,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:01:05,676 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:01:05,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:01:05,676 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:01:05,676 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:01:05,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:01:05,677 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:01:05,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2023-12-02 23:01:10,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:01:10,764 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:01:11,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:01:11,057 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:01:11,058 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:01:11,065 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:01:11,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (140)] Ended with exit code 0 [2023-12-02 23:01:11,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:01:11,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:01:11,123 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:01:11,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:01:11,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:01:11,123 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:01:11,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:01:11,124 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:01:11,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (141)] Waiting until timeout for monitored process [2023-12-02 23:01:16,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:01:16,516 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:01:16,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:01:16,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:01:16,833 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:01:16,840 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:01:16,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (141)] Ended with exit code 0 [2023-12-02 23:01:16,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:01:16,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:01:16,899 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:01:16,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:01:16,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:01:16,899 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:01:16,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:01:16,900 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:01:16,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2023-12-02 23:01:22,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:01:22,470 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:01:22,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:01:22,748 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:01:22,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:01:22,758 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:01:22,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (142)] Ended with exit code 0 [2023-12-02 23:01:22,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:01:22,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:01:22,816 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:01:22,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:01:22,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:01:22,817 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:01:22,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:01:22,817 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:01:22,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (143)] Waiting until timeout for monitored process [2023-12-02 23:01:28,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:01:28,114 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:01:28,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:01:28,414 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:01:28,416 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:01:28,424 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:01:28,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (143)] Forceful destruction successful, exit code 0 [2023-12-02 23:01:28,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:01:28,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:01:28,482 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:01:28,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:01:28,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:01:28,482 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:01:28,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:01:28,483 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:01:28,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2023-12-02 23:01:34,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:01:34,158 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:01:34,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:01:34,517 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:01:34,518 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:01:34,527 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:01:34,580 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (144)] Ended with exit code 0 [2023-12-02 23:01:34,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:01:34,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:01:34,589 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:01:34,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:01:34,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:01:34,589 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:01:34,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:01:34,590 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:01:34,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (145)] Waiting until timeout for monitored process [2023-12-02 23:01:39,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:01:39,928 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:01:40,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:01:40,210 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:01:40,211 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:01:40,219 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:01:40,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (145)] Ended with exit code 0 [2023-12-02 23:01:40,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:01:40,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:01:40,277 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:01:40,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:01:40,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:01:40,278 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:01:40,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:01:40,278 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:01:40,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2023-12-02 23:01:45,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:01:45,886 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:01:46,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:01:46,172 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:01:46,173 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:01:46,182 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:01:46,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (146)] Ended with exit code 0 [2023-12-02 23:01:46,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:01:46,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:01:46,241 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:01:46,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:01:46,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:01:46,241 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:01:46,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:01:46,242 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:01:46,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (147)] Waiting until timeout for monitored process [2023-12-02 23:01:52,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:01:52,059 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:01:52,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:01:52,365 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:01:52,366 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:01:52,374 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:01:52,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (147)] Ended with exit code 0 [2023-12-02 23:01:52,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:01:52,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:01:52,433 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:01:52,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:01:52,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:01:52,434 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:01:52,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:01:52,434 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:01:52,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process [2023-12-02 23:01:58,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:01:58,158 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:01:58,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:01:58,470 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:01:58,471 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:01:58,479 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:01:58,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (148)] Ended with exit code 0 [2023-12-02 23:01:58,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:01:58,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:01:58,539 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:01:58,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:01:58,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:01:58,539 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:01:58,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:01:58,540 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:01:58,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (149)] Waiting until timeout for monitored process [2023-12-02 23:02:04,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:04,153 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:02:04,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:04,406 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:02:04,407 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:02:04,414 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:02:04,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (149)] Ended with exit code 0 [2023-12-02 23:02:04,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:02:04,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:02:04,474 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:02:04,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:02:04,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:02:04,474 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:02:04,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:02:04,475 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:02:04,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (150)] Waiting until timeout for monitored process [2023-12-02 23:02:10,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:10,135 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:02:10,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:10,430 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:02:10,431 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:02:10,439 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:02:10,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (150)] Ended with exit code 0 [2023-12-02 23:02:10,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:02:10,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:02:10,499 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:02:10,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:02:10,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:02:10,500 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:02:10,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:02:10,501 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:02:10,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (151)] Waiting until timeout for monitored process [2023-12-02 23:02:16,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:16,369 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:02:16,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:16,632 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:02:16,633 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:02:16,640 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:02:16,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (151)] Ended with exit code 0 [2023-12-02 23:02:16,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:02:16,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:02:16,702 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:02:16,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:02:16,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:02:16,702 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:02:16,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:02:16,703 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:02:16,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (152)] Waiting until timeout for monitored process [2023-12-02 23:02:22,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:22,381 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:02:22,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:22,687 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:02:22,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:02:22,696 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:02:22,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (152)] Ended with exit code 0 [2023-12-02 23:02:22,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:02:22,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:02:22,757 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:02:22,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:02:22,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:02:22,758 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:02:22,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:02:22,759 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:02:22,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (153)] Waiting until timeout for monitored process [2023-12-02 23:02:28,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:28,195 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:02:28,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:28,468 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:02:28,469 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:02:28,476 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:02:28,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (153)] Ended with exit code 0 [2023-12-02 23:02:28,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:02:28,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:02:28,538 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:02:28,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:02:28,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:02:28,539 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:02:28,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:02:28,540 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:02:28,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a55f5475-b794-493f-8a1d-69f81f20c915/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (154)] Waiting until timeout for monitored process