./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.01.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_37f3f2ea-8496-4b03-adb0-ab17b2753304/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f3f2ea-8496-4b03-adb0-ab17b2753304/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f3f2ea-8496-4b03-adb0-ab17b2753304/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f3f2ea-8496-4b03-adb0-ab17b2753304/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.01.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f3f2ea-8496-4b03-adb0-ab17b2753304/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f3f2ea-8496-4b03-adb0-ab17b2753304/bin/ukojak-verify-G8NBE6pJGL --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 1fc4175868fd9160b7d31310c312f3c40c885306cd37c45505af16cdc713f79b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:29:04,245 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:29:04,353 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f3f2ea-8496-4b03-adb0-ab17b2753304/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:29:04,366 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:29:04,367 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:29:04,413 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:29:04,414 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:29:04,415 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:29:04,416 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:29:04,424 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:29:04,425 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:29:04,426 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:29:04,426 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:29:04,428 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:29:04,429 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:29:04,429 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:29:04,430 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:29:04,430 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:29:04,430 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:29:04,431 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:29:04,431 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:29:04,432 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:29:04,432 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:29:04,433 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:29:04,433 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:29:04,434 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:29:04,435 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:29:04,435 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:29:04,436 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:29:04,436 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:29:04,437 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:29:04,438 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:29:04,438 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:29:04,438 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_37f3f2ea-8496-4b03-adb0-ab17b2753304/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f3f2ea-8496-4b03-adb0-ab17b2753304/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1fc4175868fd9160b7d31310c312f3c40c885306cd37c45505af16cdc713f79b [2023-11-19 03:29:04,714 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:29:04,736 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:29:04,739 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:29:04,740 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:29:04,741 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:29:04,742 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f3f2ea-8496-4b03-adb0-ab17b2753304/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.01.cil-2.c [2023-11-19 03:29:07,905 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:29:08,198 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:29:08,198 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f3f2ea-8496-4b03-adb0-ab17b2753304/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.01.cil-2.c [2023-11-19 03:29:08,211 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f3f2ea-8496-4b03-adb0-ab17b2753304/bin/ukojak-verify-G8NBE6pJGL/data/bd6017c78/ddbbce3cd9e44b389437d080cedfbd34/FLAGd113c170f [2023-11-19 03:29:08,229 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f3f2ea-8496-4b03-adb0-ab17b2753304/bin/ukojak-verify-G8NBE6pJGL/data/bd6017c78/ddbbce3cd9e44b389437d080cedfbd34 [2023-11-19 03:29:08,231 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:29:08,233 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:29:08,234 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:29:08,234 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:29:08,238 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:29:08,239 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:29:08" (1/1) ... [2023-11-19 03:29:08,240 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@207c7c28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:08, skipping insertion in model container [2023-11-19 03:29:08,240 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:29:08" (1/1) ... [2023-11-19 03:29:08,288 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:29:08,454 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_37f3f2ea-8496-4b03-adb0-ab17b2753304/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.01.cil-2.c[913,926] [2023-11-19 03:29:08,518 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_37f3f2ea-8496-4b03-adb0-ab17b2753304/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.01.cil-2.c[5977,5990] [2023-11-19 03:29:08,552 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:29:08,567 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:29:08,582 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_37f3f2ea-8496-4b03-adb0-ab17b2753304/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.01.cil-2.c[913,926] [2023-11-19 03:29:08,601 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_37f3f2ea-8496-4b03-adb0-ab17b2753304/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.01.cil-2.c[5977,5990] [2023-11-19 03:29:08,629 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:29:08,663 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:29:08,666 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:08 WrapperNode [2023-11-19 03:29:08,666 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:29:08,668 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:29:08,669 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:29:08,669 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:29:08,677 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:08" (1/1) ... [2023-11-19 03:29:08,705 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:08" (1/1) ... [2023-11-19 03:29:08,742 INFO L138 Inliner]: procedures = 50, calls = 52, calls flagged for inlining = 24, calls inlined = 24, statements flattened = 431 [2023-11-19 03:29:08,744 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:29:08,746 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:29:08,746 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:29:08,746 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:29:08,756 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:08" (1/1) ... [2023-11-19 03:29:08,756 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:08" (1/1) ... [2023-11-19 03:29:08,760 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:08" (1/1) ... [2023-11-19 03:29:08,761 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:08" (1/1) ... [2023-11-19 03:29:08,785 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:08" (1/1) ... [2023-11-19 03:29:08,805 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:08" (1/1) ... [2023-11-19 03:29:08,808 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:08" (1/1) ... [2023-11-19 03:29:08,817 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:08" (1/1) ... [2023-11-19 03:29:08,821 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:29:08,823 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:29:08,823 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:29:08,824 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:29:08,824 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:08" (1/1) ... [2023-11-19 03:29:08,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:29:08,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f3f2ea-8496-4b03-adb0-ab17b2753304/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:29:08,861 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f3f2ea-8496-4b03-adb0-ab17b2753304/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:29:08,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37f3f2ea-8496-4b03-adb0-ab17b2753304/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:29:08,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:29:08,905 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2023-11-19 03:29:08,905 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2023-11-19 03:29:08,905 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2023-11-19 03:29:08,906 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2023-11-19 03:29:08,906 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2023-11-19 03:29:08,906 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2023-11-19 03:29:08,906 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2023-11-19 03:29:08,906 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2023-11-19 03:29:08,907 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2023-11-19 03:29:08,907 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2023-11-19 03:29:08,907 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2023-11-19 03:29:08,907 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2023-11-19 03:29:08,907 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2023-11-19 03:29:08,908 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2023-11-19 03:29:08,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:29:08,908 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2023-11-19 03:29:08,908 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2023-11-19 03:29:08,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:29:08,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:29:08,909 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2023-11-19 03:29:08,909 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2023-11-19 03:29:08,909 INFO L130 BoogieDeclarations]: Found specification of procedure error2 [2023-11-19 03:29:08,909 INFO L138 BoogieDeclarations]: Found implementation of procedure error2 [2023-11-19 03:29:09,008 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:29:09,011 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:29:09,579 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:29:09,740 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:29:09,740 INFO L302 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-19 03:29:09,747 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:29:09 BoogieIcfgContainer [2023-11-19 03:29:09,747 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:29:09,748 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:29:09,748 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:29:09,760 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:29:09,760 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:29:09" (1/1) ... [2023-11-19 03:29:09,770 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:29:09,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:09,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 126 states and 183 transitions. [2023-11-19 03:29:09,834 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 183 transitions. [2023-11-19 03:29:09,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:29:09,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:09,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:09,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:10,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:29:10,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:10,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 131 states and 189 transitions. [2023-11-19 03:29:10,345 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 189 transitions. [2023-11-19 03:29:10,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:29:10,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:10,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:10,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:10,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:29:10,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:10,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 141 states and 209 transitions. [2023-11-19 03:29:10,611 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 209 transitions. [2023-11-19 03:29:10,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:29:10,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:10,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:10,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:10,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:29:10,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:10,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 153 states and 232 transitions. [2023-11-19 03:29:10,941 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 232 transitions. [2023-11-19 03:29:10,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:29:10,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:10,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:10,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:11,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:29:11,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:11,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 153 states and 231 transitions. [2023-11-19 03:29:11,048 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 231 transitions. [2023-11-19 03:29:11,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:29:11,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:11,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:11,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:11,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:29:11,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:11,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 157 states and 237 transitions. [2023-11-19 03:29:11,309 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 237 transitions. [2023-11-19 03:29:11,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:29:11,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:11,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:11,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:11,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:29:11,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:11,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 158 states and 237 transitions. [2023-11-19 03:29:11,403 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 237 transitions. [2023-11-19 03:29:11,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:29:11,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:11,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:11,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:11,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:29:11,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:11,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 166 states and 251 transitions. [2023-11-19 03:29:11,501 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 251 transitions. [2023-11-19 03:29:11,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:29:11,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:11,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:11,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:11,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:29:12,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:12,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 169 states and 257 transitions. [2023-11-19 03:29:12,190 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 257 transitions. [2023-11-19 03:29:12,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:29:12,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:12,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:12,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:12,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:29:12,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:12,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 177 states and 272 transitions. [2023-11-19 03:29:12,940 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 272 transitions. [2023-11-19 03:29:12,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:29:12,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:12,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:12,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:13,019 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:29:13,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:13,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 185 states and 287 transitions. [2023-11-19 03:29:13,888 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 287 transitions. [2023-11-19 03:29:13,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:29:13,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:13,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:13,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:13,962 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:29:14,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:14,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 187 states and 291 transitions. [2023-11-19 03:29:14,239 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 291 transitions. [2023-11-19 03:29:14,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:29:14,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:14,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:14,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:14,605 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:29:15,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:15,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 200 states and 318 transitions. [2023-11-19 03:29:15,662 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 318 transitions. [2023-11-19 03:29:15,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:29:15,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:15,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:15,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:15,825 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:29:17,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:17,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 203 states and 323 transitions. [2023-11-19 03:29:17,103 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 323 transitions. [2023-11-19 03:29:17,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 03:29:17,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:17,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:17,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:17,152 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:29:17,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:17,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 201 states and 318 transitions. [2023-11-19 03:29:17,267 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 318 transitions. [2023-11-19 03:29:17,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 03:29:17,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:17,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:17,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:17,316 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:29:17,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:17,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 198 states and 310 transitions. [2023-11-19 03:29:17,335 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 310 transitions. [2023-11-19 03:29:17,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:29:17,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:17,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:17,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:17,378 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:29:17,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:17,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 202 states and 315 transitions. [2023-11-19 03:29:17,511 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 315 transitions. [2023-11-19 03:29:17,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:29:17,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:17,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:17,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:17,884 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:29:20,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:20,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 215 states and 342 transitions. [2023-11-19 03:29:20,437 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 342 transitions. [2023-11-19 03:29:20,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:29:20,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:20,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:20,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:20,496 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:29:21,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:21,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 217 states and 348 transitions. [2023-11-19 03:29:21,152 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 348 transitions. [2023-11-19 03:29:21,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:29:21,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:21,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:21,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:21,274 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:29:22,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:22,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 224 states and 364 transitions. [2023-11-19 03:29:22,180 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 364 transitions. [2023-11-19 03:29:22,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:29:22,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:22,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:22,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:22,258 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:29:22,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:22,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 221 states and 355 transitions. [2023-11-19 03:29:22,282 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 355 transitions. [2023-11-19 03:29:22,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 03:29:22,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:22,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:22,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:22,319 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:29:22,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:22,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 228 states and 372 transitions. [2023-11-19 03:29:22,931 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 372 transitions. [2023-11-19 03:29:22,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 03:29:22,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:22,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:22,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:22,968 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:29:23,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:23,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 230 states and 375 transitions. [2023-11-19 03:29:23,142 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 375 transitions. [2023-11-19 03:29:23,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:29:23,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:23,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:23,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:23,184 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:29:23,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:23,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 234 states and 381 transitions. [2023-11-19 03:29:23,365 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 381 transitions. [2023-11-19 03:29:23,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:29:23,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:23,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:23,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:23,399 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:29:23,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:23,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 234 states and 380 transitions. [2023-11-19 03:29:23,420 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 380 transitions. [2023-11-19 03:29:23,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:29:23,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:23,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:23,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:24,030 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:29:24,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:24,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 243 states and 395 transitions. [2023-11-19 03:29:24,656 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 395 transitions. [2023-11-19 03:29:24,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:29:24,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:24,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:24,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:24,760 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:29:24,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:24,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 244 states and 395 transitions. [2023-11-19 03:29:24,783 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 395 transitions. [2023-11-19 03:29:24,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:29:24,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:24,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:24,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:24,843 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 03:29:26,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:26,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 253 states and 410 transitions. [2023-11-19 03:29:26,071 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 410 transitions. [2023-11-19 03:29:26,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:29:26,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:26,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:26,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:26,109 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-19 03:29:26,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:26,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 253 states and 409 transitions. [2023-11-19 03:29:26,128 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 409 transitions. [2023-11-19 03:29:26,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 03:29:26,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:26,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:26,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:26,160 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:29:26,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:26,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 255 states and 413 transitions. [2023-11-19 03:29:26,179 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 413 transitions. [2023-11-19 03:29:26,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:29:26,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:26,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:26,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:26,470 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:29:28,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:28,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 268 states and 447 transitions. [2023-11-19 03:29:28,570 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 447 transitions. [2023-11-19 03:29:28,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:29:28,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:28,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:28,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:28,666 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:29:29,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:29,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 274 states and 459 transitions. [2023-11-19 03:29:29,772 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 459 transitions. [2023-11-19 03:29:29,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:29:29,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:29,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:29,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:29,871 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:29:30,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:30,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 280 states and 470 transitions. [2023-11-19 03:29:30,610 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 470 transitions. [2023-11-19 03:29:30,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 03:29:30,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:30,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:30,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:30,752 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:29:31,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:31,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 291 states and 488 transitions. [2023-11-19 03:29:31,868 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 488 transitions. [2023-11-19 03:29:31,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:29:31,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:31,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:31,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:32,358 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:29:38,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:38,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 317 states and 547 transitions. [2023-11-19 03:29:38,297 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 547 transitions. [2023-11-19 03:29:38,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:29:38,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:38,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:38,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:38,326 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:29:40,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:40,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 327 states and 565 transitions. [2023-11-19 03:29:40,086 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 565 transitions. [2023-11-19 03:29:40,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:29:40,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:40,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:40,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:40,116 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:29:40,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:40,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 333 states and 578 transitions. [2023-11-19 03:29:40,991 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 578 transitions. [2023-11-19 03:29:40,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 03:29:40,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:40,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:41,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:41,034 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-19 03:29:41,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:41,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 334 states and 582 transitions. [2023-11-19 03:29:41,706 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 582 transitions. [2023-11-19 03:29:41,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 03:29:41,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:41,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:41,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:41,764 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-19 03:29:42,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:42,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 335 states and 585 transitions. [2023-11-19 03:29:42,198 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 585 transitions. [2023-11-19 03:29:42,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 03:29:42,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:42,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:42,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:42,242 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-19 03:29:42,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:42,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 336 states and 590 transitions. [2023-11-19 03:29:42,691 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 590 transitions. [2023-11-19 03:29:42,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:29:42,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:42,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:42,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:42,798 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 03:29:43,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:43,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 340 states and 597 transitions. [2023-11-19 03:29:43,460 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 597 transitions. [2023-11-19 03:29:43,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 03:29:43,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:43,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:43,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:43,852 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:29:47,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:47,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 355 states and 634 transitions. [2023-11-19 03:29:47,700 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 634 transitions. [2023-11-19 03:29:47,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 03:29:47,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:47,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:47,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:47,849 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:29:48,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:48,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 356 states and 636 transitions. [2023-11-19 03:29:48,401 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 636 transitions. [2023-11-19 03:29:48,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 03:29:48,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:48,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:48,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:49,144 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:29:50,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:50,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 358 states and 643 transitions. [2023-11-19 03:29:50,947 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 643 transitions. [2023-11-19 03:29:50,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:29:50,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:50,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:50,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:51,809 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 13 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 03:29:53,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:53,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 358 states and 642 transitions. [2023-11-19 03:29:53,388 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 642 transitions. [2023-11-19 03:29:53,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:29:53,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:53,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:53,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:53,602 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 13 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 03:29:54,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:54,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 358 states and 641 transitions. [2023-11-19 03:29:54,720 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 641 transitions. [2023-11-19 03:29:54,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 03:29:54,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:54,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:54,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:54,828 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 03:29:54,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:54,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 360 states and 644 transitions. [2023-11-19 03:29:54,858 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 644 transitions. [2023-11-19 03:29:54,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 03:29:54,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:54,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:54,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat