./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product46.cil.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_f059a51a-1ef3-456f-86a3-ce84ef98c3b2/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f059a51a-1ef3-456f-86a3-ce84ef98c3b2/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_f059a51a-1ef3-456f-86a3-ce84ef98c3b2/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f059a51a-1ef3-456f-86a3-ce84ef98c3b2/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product46.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f059a51a-1ef3-456f-86a3-ce84ef98c3b2/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_f059a51a-1ef3-456f-86a3-ce84ef98c3b2/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 02fb1fa00f2030f7900be70496baf2f4c44344da378fa11ef09f1f26dc14ae9d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:16:32,527 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:16:32,616 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f059a51a-1ef3-456f-86a3-ce84ef98c3b2/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:16:32,621 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:16:32,622 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:16:32,655 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:16:32,657 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:16:32,658 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:16:32,659 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:16:32,660 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:16:32,660 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:16:32,661 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:16:32,662 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:16:32,663 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:16:32,664 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:16:32,665 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:16:32,665 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:16:32,666 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:16:32,667 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:16:32,668 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:16:32,669 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:16:32,670 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:16:32,670 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:16:32,671 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:16:32,672 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:16:32,672 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:16:32,673 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:16:32,674 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:16:32,674 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:16:32,675 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:16:32,676 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:16:32,676 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:16:32,677 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:16:32,677 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_f059a51a-1ef3-456f-86a3-ce84ef98c3b2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f059a51a-1ef3-456f-86a3-ce84ef98c3b2/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02fb1fa00f2030f7900be70496baf2f4c44344da378fa11ef09f1f26dc14ae9d [2023-11-19 03:16:33,029 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:16:33,066 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:16:33,070 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:16:33,071 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:16:33,072 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:16:33,074 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f059a51a-1ef3-456f-86a3-ce84ef98c3b2/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/product-lines/minepump_spec2_product46.cil.c [2023-11-19 03:16:36,452 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:16:36,864 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:16:36,864 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f059a51a-1ef3-456f-86a3-ce84ef98c3b2/sv-benchmarks/c/product-lines/minepump_spec2_product46.cil.c [2023-11-19 03:16:36,882 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f059a51a-1ef3-456f-86a3-ce84ef98c3b2/bin/ukojak-verify-G8NBE6pJGL/data/94d2610e4/1e8a346aea984dc589cef7b834e73453/FLAG9f81dc448 [2023-11-19 03:16:36,900 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f059a51a-1ef3-456f-86a3-ce84ef98c3b2/bin/ukojak-verify-G8NBE6pJGL/data/94d2610e4/1e8a346aea984dc589cef7b834e73453 [2023-11-19 03:16:36,903 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:16:36,905 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:16:36,907 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:16:36,908 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:16:36,918 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:16:36,919 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:16:36" (1/1) ... [2023-11-19 03:16:36,921 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7229d3d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:36, skipping insertion in model container [2023-11-19 03:16:36,921 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:16:36" (1/1) ... [2023-11-19 03:16:36,989 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:16:37,332 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_f059a51a-1ef3-456f-86a3-ce84ef98c3b2/sv-benchmarks/c/product-lines/minepump_spec2_product46.cil.c[17174,17187] [2023-11-19 03:16:37,343 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:16:37,357 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:16:37,370 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2023-11-19 03:16:37,372 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [87] [2023-11-19 03:16:37,372 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [453] [2023-11-19 03:16:37,373 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [554] [2023-11-19 03:16:37,373 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [655] [2023-11-19 03:16:37,373 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [863] [2023-11-19 03:16:37,373 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [872] [2023-11-19 03:16:37,374 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [911] [2023-11-19 03:16:37,452 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_f059a51a-1ef3-456f-86a3-ce84ef98c3b2/sv-benchmarks/c/product-lines/minepump_spec2_product46.cil.c[17174,17187] [2023-11-19 03:16:37,470 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:16:37,508 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:16:37,508 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:37 WrapperNode [2023-11-19 03:16:37,508 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:16:37,512 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:16:37,512 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:16:37,512 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:16:37,522 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:37" (1/1) ... [2023-11-19 03:16:37,561 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:37" (1/1) ... [2023-11-19 03:16:37,614 INFO L138 Inliner]: procedures = 56, calls = 101, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 196 [2023-11-19 03:16:37,615 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:16:37,616 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:16:37,617 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:16:37,617 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:16:37,628 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:37" (1/1) ... [2023-11-19 03:16:37,629 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:37" (1/1) ... [2023-11-19 03:16:37,643 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:37" (1/1) ... [2023-11-19 03:16:37,644 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:37" (1/1) ... [2023-11-19 03:16:37,650 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:37" (1/1) ... [2023-11-19 03:16:37,655 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:37" (1/1) ... [2023-11-19 03:16:37,673 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:37" (1/1) ... [2023-11-19 03:16:37,675 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:37" (1/1) ... [2023-11-19 03:16:37,678 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:16:37,679 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:16:37,679 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:16:37,679 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:16:37,680 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:37" (1/1) ... [2023-11-19 03:16:37,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:16:37,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f059a51a-1ef3-456f-86a3-ce84ef98c3b2/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:16:37,731 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f059a51a-1ef3-456f-86a3-ce84ef98c3b2/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:16:37,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f059a51a-1ef3-456f-86a3-ce84ef98c3b2/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:16:37,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:16:37,789 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-19 03:16:37,789 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-19 03:16:37,789 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-19 03:16:37,789 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-19 03:16:37,790 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-19 03:16:37,790 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-19 03:16:37,790 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-11-19 03:16:37,791 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-11-19 03:16:37,791 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-19 03:16:37,793 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-19 03:16:37,793 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-11-19 03:16:37,794 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-11-19 03:16:37,794 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-11-19 03:16:37,794 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-11-19 03:16:37,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:16:37,795 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-19 03:16:37,795 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-19 03:16:37,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:16:37,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:16:37,941 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:16:37,945 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:16:38,366 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:16:38,572 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:16:38,572 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:16:38,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:16:38 BoogieIcfgContainer [2023-11-19 03:16:38,578 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:16:38,580 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:16:38,580 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:16:38,592 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:16:38,593 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:16:38" (1/1) ... [2023-11-19 03:16:38,604 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:16:38,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:38,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 64 states and 84 transitions. [2023-11-19 03:16:38,671 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 84 transitions. [2023-11-19 03:16:38,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:16:38,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:38,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:38,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:38,967 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 03:16:39,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:39,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 64 states and 82 transitions. [2023-11-19 03:16:39,057 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 82 transitions. [2023-11-19 03:16:39,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:16:39,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:39,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:39,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:39,232 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 03:16:39,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:39,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 66 states and 85 transitions. [2023-11-19 03:16:39,262 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 85 transitions. [2023-11-19 03:16:39,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:16:39,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:39,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:39,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:39,484 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 03:16:39,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:39,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 79 states and 109 transitions. [2023-11-19 03:16:39,770 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 109 transitions. [2023-11-19 03:16:39,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:16:39,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:39,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:39,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:39,915 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 03:16:40,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:40,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 95 states and 141 transitions. [2023-11-19 03:16:40,567 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 141 transitions. [2023-11-19 03:16:40,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:16:40,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:40,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:40,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:40,696 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 03:16:40,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:40,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 96 states and 142 transitions. [2023-11-19 03:16:40,722 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 142 transitions. [2023-11-19 03:16:40,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:16:40,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:40,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:40,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:41,087 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 03:16:42,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:42,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 107 states and 169 transitions. [2023-11-19 03:16:42,254 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 169 transitions. [2023-11-19 03:16:42,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:16:42,262 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:42,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:42,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:42,479 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 03:16:43,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:43,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 121 states and 203 transitions. [2023-11-19 03:16:43,710 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 203 transitions. [2023-11-19 03:16:43,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:16:43,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:43,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:43,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:43,855 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 03:16:44,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:44,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 124 states and 209 transitions. [2023-11-19 03:16:44,049 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 209 transitions. [2023-11-19 03:16:44,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:16:44,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:44,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:44,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:44,115 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:16:44,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:44,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 130 states and 228 transitions. [2023-11-19 03:16:44,489 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 228 transitions. [2023-11-19 03:16:44,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:16:44,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:44,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:44,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:44,556 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 03:16:44,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:44,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 134 states and 235 transitions. [2023-11-19 03:16:44,805 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 235 transitions. [2023-11-19 03:16:44,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:16:44,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:44,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:44,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:44,870 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:16:45,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:45,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 139 states and 247 transitions. [2023-11-19 03:16:45,252 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 247 transitions. [2023-11-19 03:16:45,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:16:45,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:45,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:45,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:45,311 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:16:45,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:45,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 144 states and 261 transitions. [2023-11-19 03:16:45,911 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 261 transitions. [2023-11-19 03:16:45,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:16:45,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:45,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:45,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:46,239 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:16:47,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:47,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 147 states and 269 transitions. [2023-11-19 03:16:47,006 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 269 transitions. [2023-11-19 03:16:47,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:16:47,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:47,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:47,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:47,079 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:16:47,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:47,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 148 states and 270 transitions. [2023-11-19 03:16:47,116 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 270 transitions. [2023-11-19 03:16:47,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:16:47,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:47,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:47,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:47,179 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:16:47,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:47,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 151 states and 276 transitions. [2023-11-19 03:16:47,461 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 276 transitions. [2023-11-19 03:16:47,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:16:47,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:47,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:47,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:47,548 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:16:47,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:47,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 153 states and 279 transitions. [2023-11-19 03:16:47,640 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 279 transitions. [2023-11-19 03:16:47,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 03:16:47,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:47,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:47,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:48,142 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:16:50,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:50,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 165 states and 308 transitions. [2023-11-19 03:16:50,554 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 308 transitions. [2023-11-19 03:16:50,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:16:50,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:50,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:50,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:50,784 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:16:50,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:50,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 166 states and 309 transitions. [2023-11-19 03:16:50,831 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 309 transitions. [2023-11-19 03:16:50,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:16:50,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:50,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:50,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:50,899 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:16:50,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:50,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 167 states and 310 transitions. [2023-11-19 03:16:50,943 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 310 transitions. [2023-11-19 03:16:50,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 03:16:50,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:50,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:50,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:51,026 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-19 03:16:52,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:52,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 173 states and 328 transitions. [2023-11-19 03:16:52,433 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 328 transitions. [2023-11-19 03:16:52,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 03:16:52,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:52,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:52,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:52,501 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-19 03:16:52,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:52,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 176 states and 333 transitions. [2023-11-19 03:16:52,917 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 333 transitions. [2023-11-19 03:16:52,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 03:16:52,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:52,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:52,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:52,967 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-19 03:16:53,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:53,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 177 states and 334 transitions. [2023-11-19 03:16:53,137 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 334 transitions. [2023-11-19 03:16:53,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 03:16:53,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:53,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:53,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:53,216 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-19 03:16:53,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:53,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 178 states and 335 transitions. [2023-11-19 03:16:53,257 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 335 transitions. [2023-11-19 03:16:53,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 03:16:53,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:53,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:53,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:53,765 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:16:56,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:56,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 189 states and 366 transitions. [2023-11-19 03:16:56,166 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 366 transitions. [2023-11-19 03:16:56,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:16:56,168 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:56,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:56,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:56,328 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 7 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:16:56,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:56,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 190 states and 371 transitions. [2023-11-19 03:16:56,684 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 371 transitions. [2023-11-19 03:16:56,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:16:56,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:56,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:56,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:56,890 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:16:56,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:56,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 191 states and 372 transitions. [2023-11-19 03:16:56,930 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 372 transitions. [2023-11-19 03:16:56,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:16:56,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:56,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:56,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:56,984 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-19 03:16:57,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:57,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 192 states and 373 transitions. [2023-11-19 03:16:57,017 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 373 transitions. [2023-11-19 03:16:57,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 03:16:57,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:57,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:57,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:57,087 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 03:16:57,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:57,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 199 states and 393 transitions. [2023-11-19 03:16:57,700 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 393 transitions. [2023-11-19 03:16:57,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 03:16:57,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:57,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:57,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:57,792 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-19 03:17:01,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:01,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 215 states and 441 transitions. [2023-11-19 03:17:01,055 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 441 transitions. [2023-11-19 03:17:01,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 03:17:01,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:01,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:01,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:01,160 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-19 03:17:01,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:01,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 216 states and 443 transitions. [2023-11-19 03:17:01,505 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 443 transitions. [2023-11-19 03:17:01,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 03:17:01,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:01,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:01,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:01,580 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-19 03:17:02,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:02,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 222 states and 468 transitions. [2023-11-19 03:17:02,414 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 468 transitions. [2023-11-19 03:17:02,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 03:17:02,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:02,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:02,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:02,563 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 9 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 03:17:04,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:04,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 230 states and 485 transitions. [2023-11-19 03:17:04,589 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 485 transitions. [2023-11-19 03:17:04,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-19 03:17:04,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:04,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:04,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:04,688 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-19 03:17:04,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:04,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 231 states and 489 transitions. [2023-11-19 03:17:04,762 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 489 transitions. [2023-11-19 03:17:04,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 03:17:04,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:04,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:04,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:05,079 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:17:06,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:06,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 231 states and 486 transitions. [2023-11-19 03:17:06,342 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 486 transitions. [2023-11-19 03:17:06,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 03:17:06,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:06,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:06,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:06,473 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-19 03:17:06,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:06,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 233 states and 487 transitions. [2023-11-19 03:17:06,524 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 487 transitions. [2023-11-19 03:17:06,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 03:17:06,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:06,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:06,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:06,587 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 03:17:06,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:06,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 234 states and 488 transitions. [2023-11-19 03:17:06,641 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 488 transitions. [2023-11-19 03:17:06,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 03:17:06,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:06,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:06,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:06,839 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:17:07,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:07,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 239 states and 502 transitions. [2023-11-19 03:17:07,903 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 502 transitions. [2023-11-19 03:17:07,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 03:17:07,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:07,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:07,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:08,924 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 03:17:12,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:12,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 247 states and 525 transitions. [2023-11-19 03:17:12,074 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 525 transitions. [2023-11-19 03:17:12,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-19 03:17:12,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:12,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:12,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:12,141 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-19 03:17:12,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:12,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 251 states and 533 transitions. [2023-11-19 03:17:12,379 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 533 transitions. [2023-11-19 03:17:12,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-19 03:17:12,382 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:12,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:12,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:12,585 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 7 proven. 15 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 03:17:13,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:13,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 257 states and 552 transitions. [2023-11-19 03:17:13,678 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 552 transitions. [2023-11-19 03:17:13,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-19 03:17:13,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:13,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:13,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:13,784 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-19 03:17:13,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:13,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 258 states and 553 transitions. [2023-11-19 03:17:13,825 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 553 transitions. [2023-11-19 03:17:13,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-19 03:17:13,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:13,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:13,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:13,991 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 18 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:17:14,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:14,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 261 states and 563 transitions. [2023-11-19 03:17:14,430 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 563 transitions. [2023-11-19 03:17:14,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-19 03:17:14,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:14,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:14,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:14,583 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 19 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:17:14,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:14,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 262 states and 563 transitions. [2023-11-19 03:17:14,905 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 563 transitions. [2023-11-19 03:17:14,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 03:17:14,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:14,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:14,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:15,394 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 03:17:16,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:16,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 266 states and 559 transitions. [2023-11-19 03:17:16,882 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 559 transitions. [2023-11-19 03:17:16,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 03:17:16,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:16,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:16,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:16,961 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 03:17:19,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:19,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 277 states and 588 transitions. [2023-11-19 03:17:19,861 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 588 transitions. [2023-11-19 03:17:19,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-19 03:17:19,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:19,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:19,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:20,006 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 28 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:17:20,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:20,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 279 states and 593 transitions. [2023-11-19 03:17:20,828 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 593 transitions. [2023-11-19 03:17:20,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-19 03:17:20,831 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:20,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:20,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:20,906 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:17:21,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:21,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 280 states and 595 transitions. [2023-11-19 03:17:21,835 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 595 transitions. [2023-11-19 03:17:21,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-19 03:17:21,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:21,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:21,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat