./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec27_product19.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/email_spec27_product19.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 195d502e207cba6e22b4d3a0f1eab4288ed491325552159482eaed582ac159e0 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 15:01:15,045 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 15:01:15,097 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 15:01:15,102 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 15:01:15,103 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 15:01:15,124 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 15:01:15,125 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 15:01:15,125 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 15:01:15,126 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 15:01:15,127 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 15:01:15,128 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 15:01:15,128 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 15:01:15,128 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 15:01:15,129 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 15:01:15,129 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 15:01:15,131 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 15:01:15,131 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 15:01:15,132 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 15:01:15,132 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 15:01:15,132 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 15:01:15,132 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 15:01:15,132 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 15:01:15,132 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 15:01:15,133 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 15:01:15,133 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 15:01:15,133 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 15:01:15,133 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 15:01:15,133 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 15:01:15,133 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 15:01:15,134 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 15:01:15,134 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 15:01:15,134 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 15:01:15,134 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 15:01:15,134 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 15:01:15,134 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 15:01:15,135 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 15:01:15,135 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 15:01:15,135 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 15:01:15,135 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 15:01:15,137 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 15:01:15,137 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 15:01:15,137 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 15:01:15,138 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 195d502e207cba6e22b4d3a0f1eab4288ed491325552159482eaed582ac159e0 [2024-11-08 15:01:15,334 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 15:01:15,352 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 15:01:15,355 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 15:01:15,355 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 15:01:15,356 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 15:01:15,356 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec27_product19.cil.c [2024-11-08 15:01:16,605 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 15:01:16,838 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 15:01:16,839 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_product19.cil.c [2024-11-08 15:01:16,858 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b57749c85/67219e53dc3a4de5ae40666ce6346b00/FLAG76364d446 [2024-11-08 15:01:17,165 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b57749c85/67219e53dc3a4de5ae40666ce6346b00 [2024-11-08 15:01:17,167 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 15:01:17,168 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 15:01:17,171 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 15:01:17,171 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 15:01:17,175 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 15:01:17,193 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 03:01:17" (1/1) ... [2024-11-08 15:01:17,194 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a010388 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:01:17, skipping insertion in model container [2024-11-08 15:01:17,195 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 03:01:17" (1/1) ... [2024-11-08 15:01:17,258 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 15:01:17,565 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_product19.cil.c[17762,17775] [2024-11-08 15:01:17,700 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 15:01:17,714 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 15:01:17,721 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [48] [2024-11-08 15:01:17,722 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"VerifyForward_spec.i","") [414] [2024-11-08 15:01:17,723 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [461] [2024-11-08 15:01:17,723 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [499] [2024-11-08 15:01:17,723 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [799] [2024-11-08 15:01:17,724 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [808] [2024-11-08 15:01:17,724 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1024] [2024-11-08 15:01:17,724 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [1129] [2024-11-08 15:01:17,724 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [1146] [2024-11-08 15:01:17,725 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [2217] [2024-11-08 15:01:17,725 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2621] [2024-11-08 15:01:17,746 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_product19.cil.c[17762,17775] [2024-11-08 15:01:17,777 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 15:01:17,801 INFO L204 MainTranslator]: Completed translation [2024-11-08 15:01:17,801 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:01:17 WrapperNode [2024-11-08 15:01:17,801 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 15:01:17,802 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 15:01:17,802 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 15:01:17,802 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 15:01:17,807 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:01:17" (1/1) ... [2024-11-08 15:01:17,831 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:01:17" (1/1) ... [2024-11-08 15:01:17,868 INFO L138 Inliner]: procedures = 127, calls = 186, calls flagged for inlining = 58, calls inlined = 53, statements flattened = 959 [2024-11-08 15:01:17,868 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 15:01:17,869 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 15:01:17,869 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 15:01:17,869 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 15:01:17,877 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:01:17" (1/1) ... [2024-11-08 15:01:17,877 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:01:17" (1/1) ... [2024-11-08 15:01:17,881 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:01:17" (1/1) ... [2024-11-08 15:01:17,898 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 4, 4, 4]. 29 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 4, 4, 4]. The 0 writes are split as follows [0, 0, 0, 0]. [2024-11-08 15:01:17,898 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:01:17" (1/1) ... [2024-11-08 15:01:17,898 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:01:17" (1/1) ... [2024-11-08 15:01:17,909 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:01:17" (1/1) ... [2024-11-08 15:01:17,914 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:01:17" (1/1) ... [2024-11-08 15:01:17,917 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:01:17" (1/1) ... [2024-11-08 15:01:17,920 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:01:17" (1/1) ... [2024-11-08 15:01:17,924 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 15:01:17,925 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 15:01:17,925 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 15:01:17,925 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 15:01:17,926 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:01:17" (1/1) ... [2024-11-08 15:01:17,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 15:01:17,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:01:17,966 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 15:01:17,970 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 15:01:18,005 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-08 15:01:18,005 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-08 15:01:18,005 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-08 15:01:18,005 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-08 15:01:18,005 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-08 15:01:18,006 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-08 15:01:18,006 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-08 15:01:18,006 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-08 15:01:18,007 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-08 15:01:18,007 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-08 15:01:18,007 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-08 15:01:18,007 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-08 15:01:18,007 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-08 15:01:18,007 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-08 15:01:18,008 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-08 15:01:18,008 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-08 15:01:18,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 15:01:18,008 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-08 15:01:18,008 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-08 15:01:18,009 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-08 15:01:18,009 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-08 15:01:18,010 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-08 15:01:18,010 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-08 15:01:18,010 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-08 15:01:18,010 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-08 15:01:18,010 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2024-11-08 15:01:18,010 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2024-11-08 15:01:18,010 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2024-11-08 15:01:18,010 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2024-11-08 15:01:18,010 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-08 15:01:18,010 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-08 15:01:18,010 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-08 15:01:18,011 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-08 15:01:18,011 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-08 15:01:18,011 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-08 15:01:18,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 15:01:18,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-08 15:01:18,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-08 15:01:18,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-08 15:01:18,011 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-08 15:01:18,011 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-08 15:01:18,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 15:01:18,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 15:01:18,178 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 15:01:18,180 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 15:01:18,817 INFO L? ?]: Removed 430 outVars from TransFormulas that were not future-live. [2024-11-08 15:01:18,818 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 15:01:18,839 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 15:01:18,839 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 15:01:18,839 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 03:01:18 BoogieIcfgContainer [2024-11-08 15:01:18,839 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 15:01:18,843 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 15:01:18,844 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 15:01:18,846 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 15:01:18,846 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 03:01:17" (1/3) ... [2024-11-08 15:01:18,847 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@461944d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 03:01:18, skipping insertion in model container [2024-11-08 15:01:18,847 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:01:17" (2/3) ... [2024-11-08 15:01:18,847 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@461944d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 03:01:18, skipping insertion in model container [2024-11-08 15:01:18,847 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 03:01:18" (3/3) ... [2024-11-08 15:01:18,848 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec27_product19.cil.c [2024-11-08 15:01:18,863 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 15:01:18,864 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 15:01:18,914 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 15:01:18,921 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@273d29a9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 15:01:18,921 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 15:01:18,927 INFO L276 IsEmpty]: Start isEmpty. Operand has 314 states, 248 states have (on average 1.5241935483870968) internal successors, (378), 250 states have internal predecessors, (378), 46 states have call successors, (46), 18 states have call predecessors, (46), 18 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-08 15:01:18,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-08 15:01:18,945 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:01:18,946 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:01:18,946 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:01:18,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:01:18,951 INFO L85 PathProgramCache]: Analyzing trace with hash 1318613566, now seen corresponding path program 1 times [2024-11-08 15:01:18,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:01:18,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857840091] [2024-11-08 15:01:18,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:01:18,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:01:19,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:19,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:01:19,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:19,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:01:19,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:19,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:01:19,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:19,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 15:01:19,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:19,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-08 15:01:19,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:19,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 15:01:19,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:19,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 15:01:19,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:19,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-08 15:01:19,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:19,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 15:01:19,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:19,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-08 15:01:19,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:19,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-08 15:01:19,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:19,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 15:01:19,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:19,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 15:01:19,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:19,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 15:01:19,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:19,566 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-08 15:01:19,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:01:19,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857840091] [2024-11-08 15:01:19,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857840091] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 15:01:19,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [431711916] [2024-11-08 15:01:19,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:01:19,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:01:19,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:01:19,570 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 15:01:19,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 15:01:19,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:19,835 INFO L255 TraceCheckSpWp]: Trace formula consists of 1028 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 15:01:19,842 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 15:01:19,861 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-08 15:01:19,862 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 15:01:19,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [431711916] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:01:19,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 15:01:19,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2024-11-08 15:01:19,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430681192] [2024-11-08 15:01:19,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:01:19,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 15:01:19,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:01:19,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 15:01:19,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 15:01:19,894 INFO L87 Difference]: Start difference. First operand has 314 states, 248 states have (on average 1.5241935483870968) internal successors, (378), 250 states have internal predecessors, (378), 46 states have call successors, (46), 18 states have call predecessors, (46), 18 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) Second operand has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 15:01:19,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:01:19,946 INFO L93 Difference]: Finished difference Result 474 states and 694 transitions. [2024-11-08 15:01:19,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 15:01:19,948 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 108 [2024-11-08 15:01:19,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:01:19,960 INFO L225 Difference]: With dead ends: 474 [2024-11-08 15:01:19,960 INFO L226 Difference]: Without dead ends: 307 [2024-11-08 15:01:19,963 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 15:01:19,966 INFO L432 NwaCegarLoop]: 466 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:01:19,967 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 466 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:01:19,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2024-11-08 15:01:20,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 307. [2024-11-08 15:01:20,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 242 states have (on average 1.5165289256198347) internal successors, (367), 243 states have internal predecessors, (367), 46 states have call successors, (46), 18 states have call predecessors, (46), 18 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-08 15:01:20,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 458 transitions. [2024-11-08 15:01:20,012 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 458 transitions. Word has length 108 [2024-11-08 15:01:20,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:01:20,013 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 458 transitions. [2024-11-08 15:01:20,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 15:01:20,016 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 458 transitions. [2024-11-08 15:01:20,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-08 15:01:20,021 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:01:20,021 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:01:20,036 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 15:01:20,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-08 15:01:20,223 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:01:20,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:01:20,224 INFO L85 PathProgramCache]: Analyzing trace with hash -406077674, now seen corresponding path program 1 times [2024-11-08 15:01:20,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:01:20,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147888027] [2024-11-08 15:01:20,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:01:20,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:01:20,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:20,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:01:20,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:20,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:01:20,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:20,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:01:20,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:20,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 15:01:20,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:20,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-08 15:01:20,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:20,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 15:01:20,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:20,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-08 15:01:20,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:20,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 15:01:20,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:20,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 15:01:20,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:20,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 15:01:20,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:20,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 15:01:20,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:20,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 15:01:20,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:20,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 15:01:20,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:20,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 15:01:20,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:20,471 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-08 15:01:20,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:01:20,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147888027] [2024-11-08 15:01:20,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147888027] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 15:01:20,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1722740089] [2024-11-08 15:01:20,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:01:20,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:01:20,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:01:20,475 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 15:01:20,476 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 15:01:20,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:20,710 INFO L255 TraceCheckSpWp]: Trace formula consists of 1029 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 15:01:20,716 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 15:01:20,747 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-08 15:01:20,748 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 15:01:20,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1722740089] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:01:20,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 15:01:20,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-08 15:01:20,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239099073] [2024-11-08 15:01:20,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:01:20,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:01:20,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:01:20,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:01:20,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-08 15:01:20,750 INFO L87 Difference]: Start difference. First operand 307 states and 458 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 15:01:20,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:01:20,791 INFO L93 Difference]: Finished difference Result 464 states and 675 transitions. [2024-11-08 15:01:20,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:01:20,792 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 109 [2024-11-08 15:01:20,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:01:20,794 INFO L225 Difference]: With dead ends: 464 [2024-11-08 15:01:20,794 INFO L226 Difference]: Without dead ends: 310 [2024-11-08 15:01:20,795 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-08 15:01:20,796 INFO L432 NwaCegarLoop]: 456 mSDtfsCounter, 1 mSDsluCounter, 454 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 910 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:01:20,796 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 910 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:01:20,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2024-11-08 15:01:20,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 309. [2024-11-08 15:01:20,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 244 states have (on average 1.5122950819672132) internal successors, (369), 245 states have internal predecessors, (369), 46 states have call successors, (46), 18 states have call predecessors, (46), 18 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-08 15:01:20,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 460 transitions. [2024-11-08 15:01:20,815 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 460 transitions. Word has length 109 [2024-11-08 15:01:20,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:01:20,816 INFO L471 AbstractCegarLoop]: Abstraction has 309 states and 460 transitions. [2024-11-08 15:01:20,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 15:01:20,816 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 460 transitions. [2024-11-08 15:01:20,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-08 15:01:20,818 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:01:20,818 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:01:20,832 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-08 15:01:21,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-08 15:01:21,019 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:01:21,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:01:21,019 INFO L85 PathProgramCache]: Analyzing trace with hash 1521216077, now seen corresponding path program 1 times [2024-11-08 15:01:21,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:01:21,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162579748] [2024-11-08 15:01:21,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:01:21,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:01:21,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:21,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:01:21,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:21,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:01:21,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:21,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:01:21,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:21,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 15:01:21,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:21,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-08 15:01:21,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:21,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 15:01:21,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:21,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 15:01:21,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:21,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 15:01:21,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:21,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 15:01:21,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:21,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 15:01:21,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:21,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 15:01:21,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:21,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 15:01:21,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:21,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 15:01:21,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:21,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-08 15:01:21,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:21,229 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 15:01:21,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:01:21,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162579748] [2024-11-08 15:01:21,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162579748] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 15:01:21,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1525318715] [2024-11-08 15:01:21,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:01:21,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:01:21,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:01:21,231 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 15:01:21,232 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 15:01:21,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:21,460 INFO L255 TraceCheckSpWp]: Trace formula consists of 1041 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 15:01:21,463 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 15:01:21,500 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-08 15:01:21,502 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 15:01:21,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1525318715] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:01:21,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 15:01:21,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-08 15:01:21,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864705102] [2024-11-08 15:01:21,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:01:21,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:01:21,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:01:21,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:01:21,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-08 15:01:21,505 INFO L87 Difference]: Start difference. First operand 309 states and 460 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 15:01:21,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:01:21,532 INFO L93 Difference]: Finished difference Result 648 states and 979 transitions. [2024-11-08 15:01:21,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:01:21,533 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 115 [2024-11-08 15:01:21,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:01:21,535 INFO L225 Difference]: With dead ends: 648 [2024-11-08 15:01:21,535 INFO L226 Difference]: Without dead ends: 366 [2024-11-08 15:01:21,536 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-08 15:01:21,537 INFO L432 NwaCegarLoop]: 466 mSDtfsCounter, 107 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 877 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:01:21,537 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 877 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:01:21,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2024-11-08 15:01:21,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 358. [2024-11-08 15:01:21,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 282 states have (on average 1.5283687943262412) internal successors, (431), 283 states have internal predecessors, (431), 57 states have call successors, (57), 18 states have call predecessors, (57), 18 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-08 15:01:21,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 544 transitions. [2024-11-08 15:01:21,551 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 544 transitions. Word has length 115 [2024-11-08 15:01:21,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:01:21,552 INFO L471 AbstractCegarLoop]: Abstraction has 358 states and 544 transitions. [2024-11-08 15:01:21,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 15:01:21,552 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 544 transitions. [2024-11-08 15:01:21,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-08 15:01:21,555 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:01:21,555 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:01:21,569 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-08 15:01:21,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:01:21,760 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:01:21,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:01:21,760 INFO L85 PathProgramCache]: Analyzing trace with hash 1805215575, now seen corresponding path program 1 times [2024-11-08 15:01:21,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:01:21,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292515588] [2024-11-08 15:01:21,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:01:21,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:01:21,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:21,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:01:21,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:21,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:01:21,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:21,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:01:21,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:21,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 15:01:21,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:21,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-08 15:01:21,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:21,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 15:01:21,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:21,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-08 15:01:21,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:21,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 15:01:21,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:21,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-08 15:01:21,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:21,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 15:01:21,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:21,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 15:01:21,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:21,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 15:01:21,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:21,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 15:01:21,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:21,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 15:01:21,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:21,933 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 15:01:21,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:01:21,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292515588] [2024-11-08 15:01:21,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292515588] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 15:01:21,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1879155909] [2024-11-08 15:01:21,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:01:21,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:01:21,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:01:21,936 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 15:01:21,937 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-08 15:01:22,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:22,160 INFO L255 TraceCheckSpWp]: Trace formula consists of 1046 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 15:01:22,163 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 15:01:22,222 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-08 15:01:22,222 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 15:01:22,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1879155909] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:01:22,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 15:01:22,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-11-08 15:01:22,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123479464] [2024-11-08 15:01:22,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:01:22,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 15:01:22,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:01:22,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 15:01:22,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-08 15:01:22,225 INFO L87 Difference]: Start difference. First operand 358 states and 544 transitions. Second operand has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-08 15:01:22,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:01:22,271 INFO L93 Difference]: Finished difference Result 707 states and 1078 transitions. [2024-11-08 15:01:22,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 15:01:22,271 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 116 [2024-11-08 15:01:22,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:01:22,275 INFO L225 Difference]: With dead ends: 707 [2024-11-08 15:01:22,276 INFO L226 Difference]: Without dead ends: 360 [2024-11-08 15:01:22,277 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-08 15:01:22,278 INFO L432 NwaCegarLoop]: 450 mSDtfsCounter, 2 mSDsluCounter, 1339 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1789 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:01:22,281 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1789 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:01:22,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2024-11-08 15:01:22,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2024-11-08 15:01:22,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 283 states have (on average 1.5265017667844523) internal successors, (432), 285 states have internal predecessors, (432), 57 states have call successors, (57), 18 states have call predecessors, (57), 19 states have return successors, (58), 56 states have call predecessors, (58), 56 states have call successors, (58) [2024-11-08 15:01:22,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 547 transitions. [2024-11-08 15:01:22,304 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 547 transitions. Word has length 116 [2024-11-08 15:01:22,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:01:22,305 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 547 transitions. [2024-11-08 15:01:22,305 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-08 15:01:22,305 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 547 transitions. [2024-11-08 15:01:22,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-08 15:01:22,309 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:01:22,309 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:01:22,324 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-08 15:01:22,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:01:22,510 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:01:22,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:01:22,511 INFO L85 PathProgramCache]: Analyzing trace with hash -1609367707, now seen corresponding path program 1 times [2024-11-08 15:01:22,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:01:22,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477946003] [2024-11-08 15:01:22,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:01:22,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:01:22,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:22,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:01:22,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:22,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:01:22,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:22,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:01:22,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:22,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:01:22,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:22,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-08 15:01:22,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:22,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 15:01:22,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:22,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 15:01:22,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:22,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 15:01:22,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:22,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 15:01:22,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:22,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 15:01:22,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:22,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 15:01:22,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:22,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 15:01:22,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:22,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-08 15:01:22,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:22,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-08 15:01:22,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:22,711 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-08 15:01:22,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:01:22,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477946003] [2024-11-08 15:01:22,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477946003] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 15:01:22,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [869623362] [2024-11-08 15:01:22,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:01:22,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:01:22,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:01:22,713 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 15:01:22,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-08 15:01:22,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:22,932 INFO L255 TraceCheckSpWp]: Trace formula consists of 1047 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 15:01:22,935 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 15:01:22,984 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-08 15:01:22,984 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 15:01:22,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [869623362] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:01:22,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 15:01:22,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-11-08 15:01:22,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033658145] [2024-11-08 15:01:22,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:01:22,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 15:01:22,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:01:22,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 15:01:22,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-08 15:01:22,986 INFO L87 Difference]: Start difference. First operand 360 states and 547 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-08 15:01:23,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:01:23,032 INFO L93 Difference]: Finished difference Result 709 states and 1083 transitions. [2024-11-08 15:01:23,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 15:01:23,032 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 117 [2024-11-08 15:01:23,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:01:23,034 INFO L225 Difference]: With dead ends: 709 [2024-11-08 15:01:23,034 INFO L226 Difference]: Without dead ends: 362 [2024-11-08 15:01:23,035 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-08 15:01:23,036 INFO L432 NwaCegarLoop]: 448 mSDtfsCounter, 2 mSDsluCounter, 1327 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1775 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:01:23,036 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1775 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:01:23,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2024-11-08 15:01:23,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2024-11-08 15:01:23,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 284 states have (on average 1.5246478873239437) internal successors, (433), 287 states have internal predecessors, (433), 57 states have call successors, (57), 18 states have call predecessors, (57), 20 states have return successors, (63), 56 states have call predecessors, (63), 56 states have call successors, (63) [2024-11-08 15:01:23,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 553 transitions. [2024-11-08 15:01:23,046 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 553 transitions. Word has length 117 [2024-11-08 15:01:23,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:01:23,046 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 553 transitions. [2024-11-08 15:01:23,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-08 15:01:23,046 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 553 transitions. [2024-11-08 15:01:23,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-08 15:01:23,048 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:01:23,048 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:01:23,063 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-08 15:01:23,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:01:23,249 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:01:23,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:01:23,250 INFO L85 PathProgramCache]: Analyzing trace with hash -2099317041, now seen corresponding path program 1 times [2024-11-08 15:01:23,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:01:23,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634252507] [2024-11-08 15:01:23,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:01:23,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:01:23,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:23,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:01:23,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:23,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:01:23,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:23,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:01:23,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:23,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:01:23,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:23,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:01:23,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:23,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 15:01:23,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:23,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-08 15:01:23,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:23,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 15:01:23,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:23,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 15:01:23,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:23,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 15:01:23,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:23,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 15:01:23,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:23,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-08 15:01:23,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:23,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 15:01:23,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:23,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 15:01:23,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:23,438 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 15:01:23,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:01:23,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634252507] [2024-11-08 15:01:23,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634252507] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:01:23,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:01:23,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 15:01:23,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748123767] [2024-11-08 15:01:23,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:01:23,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 15:01:23,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:01:23,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 15:01:23,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 15:01:23,440 INFO L87 Difference]: Start difference. First operand 362 states and 553 transitions. Second operand has 9 states, 8 states have (on average 9.625) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-08 15:01:24,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:01:24,957 INFO L93 Difference]: Finished difference Result 851 states and 1298 transitions. [2024-11-08 15:01:24,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 15:01:24,957 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.625) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 118 [2024-11-08 15:01:24,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:01:24,960 INFO L225 Difference]: With dead ends: 851 [2024-11-08 15:01:24,960 INFO L226 Difference]: Without dead ends: 512 [2024-11-08 15:01:24,961 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-08 15:01:24,962 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 992 mSDsluCounter, 929 mSDsCounter, 0 mSdLazyCounter, 2264 mSolverCounterSat, 301 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 993 SdHoareTripleChecker+Valid, 1107 SdHoareTripleChecker+Invalid, 2565 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 301 IncrementalHoareTripleChecker+Valid, 2264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-08 15:01:24,962 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [993 Valid, 1107 Invalid, 2565 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [301 Valid, 2264 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-08 15:01:24,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2024-11-08 15:01:24,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 362. [2024-11-08 15:01:24,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 284 states have (on average 1.5246478873239437) internal successors, (433), 287 states have internal predecessors, (433), 57 states have call successors, (57), 18 states have call predecessors, (57), 20 states have return successors, (62), 56 states have call predecessors, (62), 56 states have call successors, (62) [2024-11-08 15:01:24,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 552 transitions. [2024-11-08 15:01:24,993 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 552 transitions. Word has length 118 [2024-11-08 15:01:24,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:01:24,994 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 552 transitions. [2024-11-08 15:01:24,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.625) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-08 15:01:24,994 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 552 transitions. [2024-11-08 15:01:24,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-08 15:01:24,996 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:01:24,996 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:01:24,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 15:01:24,996 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:01:24,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:01:24,997 INFO L85 PathProgramCache]: Analyzing trace with hash 2110321279, now seen corresponding path program 2 times [2024-11-08 15:01:24,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:01:24,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016978352] [2024-11-08 15:01:24,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:01:24,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:01:25,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:25,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:01:25,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:25,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:01:25,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:25,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:01:25,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:25,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:01:25,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:25,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:01:25,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:25,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 15:01:25,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:25,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-08 15:01:25,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:25,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-08 15:01:25,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:25,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 15:01:25,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:25,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-08 15:01:25,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:25,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-08 15:01:25,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:25,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-08 15:01:25,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:25,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 15:01:25,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:25,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 15:01:25,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:25,151 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 15:01:25,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:01:25,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016978352] [2024-11-08 15:01:25,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016978352] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:01:25,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:01:25,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 15:01:25,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353996890] [2024-11-08 15:01:25,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:01:25,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 15:01:25,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:01:25,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 15:01:25,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 15:01:25,152 INFO L87 Difference]: Start difference. First operand 362 states and 552 transitions. Second operand has 9 states, 8 states have (on average 9.75) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-08 15:01:26,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:01:26,537 INFO L93 Difference]: Finished difference Result 853 states and 1301 transitions. [2024-11-08 15:01:26,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 15:01:26,538 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.75) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 119 [2024-11-08 15:01:26,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:01:26,541 INFO L225 Difference]: With dead ends: 853 [2024-11-08 15:01:26,541 INFO L226 Difference]: Without dead ends: 514 [2024-11-08 15:01:26,543 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-08 15:01:26,543 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 995 mSDsluCounter, 929 mSDsCounter, 0 mSdLazyCounter, 2272 mSolverCounterSat, 300 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 996 SdHoareTripleChecker+Valid, 1108 SdHoareTripleChecker+Invalid, 2572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 300 IncrementalHoareTripleChecker+Valid, 2272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-08 15:01:26,544 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [996 Valid, 1108 Invalid, 2572 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [300 Valid, 2272 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-08 15:01:26,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2024-11-08 15:01:26,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 364. [2024-11-08 15:01:26,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 285 states have (on average 1.5228070175438597) internal successors, (434), 289 states have internal predecessors, (434), 57 states have call successors, (57), 18 states have call predecessors, (57), 21 states have return successors, (64), 56 states have call predecessors, (64), 56 states have call successors, (64) [2024-11-08 15:01:26,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 555 transitions. [2024-11-08 15:01:26,588 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 555 transitions. Word has length 119 [2024-11-08 15:01:26,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:01:26,589 INFO L471 AbstractCegarLoop]: Abstraction has 364 states and 555 transitions. [2024-11-08 15:01:26,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.75) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-08 15:01:26,590 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 555 transitions. [2024-11-08 15:01:26,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-08 15:01:26,591 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:01:26,591 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:01:26,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 15:01:26,592 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:01:26,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:01:26,592 INFO L85 PathProgramCache]: Analyzing trace with hash 1209746602, now seen corresponding path program 1 times [2024-11-08 15:01:26,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:01:26,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759882733] [2024-11-08 15:01:26,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:01:26,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:01:26,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:26,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:01:26,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:26,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:01:26,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:26,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:01:26,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:26,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:01:26,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:26,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:01:26,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:26,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:01:26,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:26,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 15:01:26,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:26,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-08 15:01:26,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:26,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-08 15:01:26,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:26,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-08 15:01:26,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:26,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-08 15:01:26,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:26,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 15:01:26,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:26,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 15:01:26,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:26,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 15:01:26,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:26,760 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-08 15:01:26,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:01:26,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759882733] [2024-11-08 15:01:26,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759882733] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:01:26,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:01:26,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 15:01:26,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189515717] [2024-11-08 15:01:26,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:01:26,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 15:01:26,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:01:26,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 15:01:26,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-08 15:01:26,761 INFO L87 Difference]: Start difference. First operand 364 states and 555 transitions. Second operand has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 8 states have internal predecessors, (82), 4 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-08 15:01:28,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:01:28,683 INFO L93 Difference]: Finished difference Result 851 states and 1296 transitions. [2024-11-08 15:01:28,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 15:01:28,683 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 8 states have internal predecessors, (82), 4 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) Word has length 120 [2024-11-08 15:01:28,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:01:28,686 INFO L225 Difference]: With dead ends: 851 [2024-11-08 15:01:28,686 INFO L226 Difference]: Without dead ends: 514 [2024-11-08 15:01:28,687 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-08 15:01:28,688 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 988 mSDsluCounter, 1358 mSDsCounter, 0 mSdLazyCounter, 3865 mSolverCounterSat, 302 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 989 SdHoareTripleChecker+Valid, 1535 SdHoareTripleChecker+Invalid, 4167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 302 IncrementalHoareTripleChecker+Valid, 3865 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-08 15:01:28,688 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [989 Valid, 1535 Invalid, 4167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [302 Valid, 3865 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-08 15:01:28,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2024-11-08 15:01:28,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 364. [2024-11-08 15:01:28,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 285 states have (on average 1.5228070175438597) internal successors, (434), 289 states have internal predecessors, (434), 57 states have call successors, (57), 18 states have call predecessors, (57), 21 states have return successors, (63), 56 states have call predecessors, (63), 56 states have call successors, (63) [2024-11-08 15:01:28,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 554 transitions. [2024-11-08 15:01:28,710 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 554 transitions. Word has length 120 [2024-11-08 15:01:28,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:01:28,711 INFO L471 AbstractCegarLoop]: Abstraction has 364 states and 554 transitions. [2024-11-08 15:01:28,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 8 states have internal predecessors, (82), 4 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-08 15:01:28,711 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 554 transitions. [2024-11-08 15:01:28,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-08 15:01:28,713 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:01:28,713 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:01:28,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 15:01:28,714 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:01:28,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:01:28,714 INFO L85 PathProgramCache]: Analyzing trace with hash -2053654144, now seen corresponding path program 2 times [2024-11-08 15:01:28,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:01:28,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883001621] [2024-11-08 15:01:28,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:01:28,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:01:28,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:28,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:01:28,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:28,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:01:28,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:28,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:01:28,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:28,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:01:28,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:28,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:01:28,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:28,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:01:28,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:28,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 15:01:28,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:28,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 15:01:28,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:28,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 15:01:28,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:28,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 15:01:28,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:28,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 15:01:28,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:28,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 15:01:28,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:28,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-08 15:01:28,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:28,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-08 15:01:28,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:28,908 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-08 15:01:28,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:01:28,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883001621] [2024-11-08 15:01:28,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883001621] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:01:28,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:01:28,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 15:01:28,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236489707] [2024-11-08 15:01:28,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:01:28,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 15:01:28,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:01:28,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 15:01:28,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-08 15:01:28,910 INFO L87 Difference]: Start difference. First operand 364 states and 554 transitions. Second operand has 12 states, 11 states have (on average 7.545454545454546) internal successors, (83), 8 states have internal predecessors, (83), 4 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-08 15:01:30,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:01:30,594 INFO L93 Difference]: Finished difference Result 853 states and 1302 transitions. [2024-11-08 15:01:30,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 15:01:30,594 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.545454545454546) internal successors, (83), 8 states have internal predecessors, (83), 4 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) Word has length 121 [2024-11-08 15:01:30,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:01:30,597 INFO L225 Difference]: With dead ends: 853 [2024-11-08 15:01:30,597 INFO L226 Difference]: Without dead ends: 516 [2024-11-08 15:01:30,598 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-08 15:01:30,598 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 996 mSDsluCounter, 1358 mSDsCounter, 0 mSdLazyCounter, 3767 mSolverCounterSat, 300 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 997 SdHoareTripleChecker+Valid, 1536 SdHoareTripleChecker+Invalid, 4067 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 300 IncrementalHoareTripleChecker+Valid, 3767 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-08 15:01:30,598 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [997 Valid, 1536 Invalid, 4067 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [300 Valid, 3767 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-08 15:01:30,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 516 states. [2024-11-08 15:01:30,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 516 to 366. [2024-11-08 15:01:30,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 286 states have (on average 1.520979020979021) internal successors, (435), 291 states have internal predecessors, (435), 57 states have call successors, (57), 18 states have call predecessors, (57), 22 states have return successors, (68), 56 states have call predecessors, (68), 56 states have call successors, (68) [2024-11-08 15:01:30,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 560 transitions. [2024-11-08 15:01:30,616 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 560 transitions. Word has length 121 [2024-11-08 15:01:30,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:01:30,616 INFO L471 AbstractCegarLoop]: Abstraction has 366 states and 560 transitions. [2024-11-08 15:01:30,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.545454545454546) internal successors, (83), 8 states have internal predecessors, (83), 4 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-08 15:01:30,616 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 560 transitions. [2024-11-08 15:01:30,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-08 15:01:30,617 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:01:30,618 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:01:30,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 15:01:30,618 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:01:30,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:01:30,618 INFO L85 PathProgramCache]: Analyzing trace with hash 1957721989, now seen corresponding path program 1 times [2024-11-08 15:01:30,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:01:30,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078819953] [2024-11-08 15:01:30,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:01:30,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:01:30,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:30,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:01:30,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:30,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:01:30,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:30,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:01:30,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:30,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:01:30,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:30,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:01:30,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:30,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:01:30,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:30,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 15:01:30,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:30,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 15:01:30,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:30,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 15:01:30,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:30,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 15:01:30,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:30,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 15:01:30,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:30,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 15:01:30,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:30,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 15:01:30,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:30,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 15:01:30,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:30,762 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 15:01:30,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:01:30,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078819953] [2024-11-08 15:01:30,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078819953] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 15:01:30,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1245890088] [2024-11-08 15:01:30,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:01:30,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:01:30,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:01:30,765 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 15:01:30,766 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-08 15:01:31,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:31,013 INFO L255 TraceCheckSpWp]: Trace formula consists of 1052 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 15:01:31,016 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 15:01:31,040 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 15:01:31,040 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 15:01:31,121 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 15:01:31,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1245890088] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 15:01:31,122 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 15:01:31,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2024-11-08 15:01:31,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405527490] [2024-11-08 15:01:31,122 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 15:01:31,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 15:01:31,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:01:31,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 15:01:31,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-08 15:01:31,125 INFO L87 Difference]: Start difference. First operand 366 states and 560 transitions. Second operand has 11 states, 11 states have (on average 10.727272727272727) internal successors, (118), 7 states have internal predecessors, (118), 2 states have call successors, (33), 6 states have call predecessors, (33), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-08 15:01:32,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:01:32,390 INFO L93 Difference]: Finished difference Result 1022 states and 1630 transitions. [2024-11-08 15:01:32,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 15:01:32,391 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.727272727272727) internal successors, (118), 7 states have internal predecessors, (118), 2 states have call successors, (33), 6 states have call predecessors, (33), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 122 [2024-11-08 15:01:32,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:01:32,396 INFO L225 Difference]: With dead ends: 1022 [2024-11-08 15:01:32,396 INFO L226 Difference]: Without dead ends: 868 [2024-11-08 15:01:32,397 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 269 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2024-11-08 15:01:32,398 INFO L432 NwaCegarLoop]: 202 mSDtfsCounter, 1570 mSDsluCounter, 1037 mSDsCounter, 0 mSdLazyCounter, 1877 mSolverCounterSat, 479 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1616 SdHoareTripleChecker+Valid, 1239 SdHoareTripleChecker+Invalid, 2356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 479 IncrementalHoareTripleChecker+Valid, 1877 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-08 15:01:32,398 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1616 Valid, 1239 Invalid, 2356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [479 Valid, 1877 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-08 15:01:32,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 868 states. [2024-11-08 15:01:32,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 868 to 694. [2024-11-08 15:01:32,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 694 states, 550 states have (on average 1.5872727272727272) internal successors, (873), 555 states have internal predecessors, (873), 121 states have call successors, (121), 18 states have call predecessors, (121), 22 states have return successors, (142), 120 states have call predecessors, (142), 120 states have call successors, (142) [2024-11-08 15:01:32,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 694 states and 1136 transitions. [2024-11-08 15:01:32,432 INFO L78 Accepts]: Start accepts. Automaton has 694 states and 1136 transitions. Word has length 122 [2024-11-08 15:01:32,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:01:32,432 INFO L471 AbstractCegarLoop]: Abstraction has 694 states and 1136 transitions. [2024-11-08 15:01:32,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.727272727272727) internal successors, (118), 7 states have internal predecessors, (118), 2 states have call successors, (33), 6 states have call predecessors, (33), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-08 15:01:32,432 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 1136 transitions. [2024-11-08 15:01:32,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-08 15:01:32,436 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:01:32,436 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:01:32,456 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-08 15:01:32,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:01:32,637 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:01:32,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:01:32,638 INFO L85 PathProgramCache]: Analyzing trace with hash -221417816, now seen corresponding path program 1 times [2024-11-08 15:01:32,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:01:32,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350189506] [2024-11-08 15:01:32,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:01:32,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:01:32,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:32,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:01:32,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:32,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:01:32,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:32,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:01:32,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:32,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:01:32,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:32,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:01:32,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:32,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:01:32,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:32,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 15:01:32,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:32,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 15:01:32,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:32,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 15:01:32,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:32,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 15:01:32,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:32,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 15:01:32,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:32,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-08 15:01:32,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:32,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 15:01:32,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:32,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 15:01:32,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:32,715 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 15:01:32,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:01:32,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350189506] [2024-11-08 15:01:32,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350189506] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:01:32,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:01:32,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:01:32,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781629149] [2024-11-08 15:01:32,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:01:32,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:01:32,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:01:32,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:01:32,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:01:32,717 INFO L87 Difference]: Start difference. First operand 694 states and 1136 transitions. Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 15:01:33,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:01:33,674 INFO L93 Difference]: Finished difference Result 1803 states and 3001 transitions. [2024-11-08 15:01:33,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 15:01:33,675 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 128 [2024-11-08 15:01:33,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:01:33,681 INFO L225 Difference]: With dead ends: 1803 [2024-11-08 15:01:33,681 INFO L226 Difference]: Without dead ends: 1177 [2024-11-08 15:01:33,683 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 15:01:33,684 INFO L432 NwaCegarLoop]: 189 mSDtfsCounter, 1101 mSDsluCounter, 651 mSDsCounter, 0 mSdLazyCounter, 1287 mSolverCounterSat, 369 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1116 SdHoareTripleChecker+Valid, 840 SdHoareTripleChecker+Invalid, 1656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 369 IncrementalHoareTripleChecker+Valid, 1287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 15:01:33,684 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1116 Valid, 840 Invalid, 1656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [369 Valid, 1287 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 15:01:33,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2024-11-08 15:01:33,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1019. [2024-11-08 15:01:33,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1019 states, 811 states have (on average 1.6004932182490752) internal successors, (1298), 816 states have internal predecessors, (1298), 185 states have call successors, (185), 18 states have call predecessors, (185), 22 states have return successors, (216), 184 states have call predecessors, (216), 184 states have call successors, (216) [2024-11-08 15:01:33,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 1019 states and 1699 transitions. [2024-11-08 15:01:33,720 INFO L78 Accepts]: Start accepts. Automaton has 1019 states and 1699 transitions. Word has length 128 [2024-11-08 15:01:33,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:01:33,721 INFO L471 AbstractCegarLoop]: Abstraction has 1019 states and 1699 transitions. [2024-11-08 15:01:33,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 15:01:33,721 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states and 1699 transitions. [2024-11-08 15:01:33,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-08 15:01:33,725 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:01:33,725 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:01:33,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 15:01:33,725 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:01:33,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:01:33,725 INFO L85 PathProgramCache]: Analyzing trace with hash -928584161, now seen corresponding path program 1 times [2024-11-08 15:01:33,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:01:33,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299455969] [2024-11-08 15:01:33,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:01:33,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:01:33,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:33,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:01:33,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:33,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:01:33,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:33,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:01:33,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:33,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:01:33,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:33,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:01:33,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:33,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:01:33,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:33,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 15:01:33,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:33,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-08 15:01:33,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:33,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 15:01:33,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:33,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 15:01:33,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:33,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 15:01:33,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:33,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 15:01:33,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:33,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 15:01:33,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:33,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 15:01:33,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:33,824 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 15:01:33,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:01:33,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299455969] [2024-11-08 15:01:33,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299455969] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:01:33,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:01:33,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:01:33,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013313445] [2024-11-08 15:01:33,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:01:33,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:01:33,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:01:33,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:01:33,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:01:33,828 INFO L87 Difference]: Start difference. First operand 1019 states and 1699 transitions. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 15:01:34,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:01:34,836 INFO L93 Difference]: Finished difference Result 2583 states and 4350 transitions. [2024-11-08 15:01:34,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 15:01:34,836 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 129 [2024-11-08 15:01:34,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:01:34,843 INFO L225 Difference]: With dead ends: 2583 [2024-11-08 15:01:34,843 INFO L226 Difference]: Without dead ends: 1685 [2024-11-08 15:01:34,846 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 15:01:34,846 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 1090 mSDsluCounter, 633 mSDsCounter, 0 mSdLazyCounter, 1310 mSolverCounterSat, 356 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1106 SdHoareTripleChecker+Valid, 814 SdHoareTripleChecker+Invalid, 1666 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 356 IncrementalHoareTripleChecker+Valid, 1310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-08 15:01:34,847 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1106 Valid, 814 Invalid, 1666 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [356 Valid, 1310 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-08 15:01:34,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1685 states. [2024-11-08 15:01:34,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1685 to 1527. [2024-11-08 15:01:34,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1527 states, 1224 states have (on average 1.6086601307189543) internal successors, (1969), 1229 states have internal predecessors, (1969), 280 states have call successors, (280), 18 states have call predecessors, (280), 22 states have return successors, (311), 279 states have call predecessors, (311), 279 states have call successors, (311) [2024-11-08 15:01:34,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1527 states to 1527 states and 2560 transitions. [2024-11-08 15:01:34,894 INFO L78 Accepts]: Start accepts. Automaton has 1527 states and 2560 transitions. Word has length 129 [2024-11-08 15:01:34,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:01:34,894 INFO L471 AbstractCegarLoop]: Abstraction has 1527 states and 2560 transitions. [2024-11-08 15:01:34,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 15:01:34,894 INFO L276 IsEmpty]: Start isEmpty. Operand 1527 states and 2560 transitions. [2024-11-08 15:01:34,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-08 15:01:34,899 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:01:34,900 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:01:34,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-08 15:01:34,900 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:01:34,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:01:34,900 INFO L85 PathProgramCache]: Analyzing trace with hash -1352544666, now seen corresponding path program 1 times [2024-11-08 15:01:34,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:01:34,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888107316] [2024-11-08 15:01:34,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:01:34,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:01:34,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:34,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:01:34,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:34,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:01:34,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:34,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:01:34,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:34,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:01:34,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:34,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:01:34,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:34,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:01:34,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:34,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-08 15:01:34,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:34,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 15:01:34,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:34,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 15:01:34,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:34,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 15:01:34,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:35,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 15:01:35,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:35,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-08 15:01:35,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:35,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 15:01:35,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:35,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-08 15:01:35,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:35,009 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 15:01:35,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:01:35,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888107316] [2024-11-08 15:01:35,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888107316] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:01:35,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:01:35,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:01:35,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035818935] [2024-11-08 15:01:35,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:01:35,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:01:35,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:01:35,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:01:35,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:01:35,011 INFO L87 Difference]: Start difference. First operand 1527 states and 2560 transitions. Second operand has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 15:01:35,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:01:35,903 INFO L93 Difference]: Finished difference Result 3735 states and 6359 transitions. [2024-11-08 15:01:35,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 15:01:35,903 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 130 [2024-11-08 15:01:35,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:01:35,913 INFO L225 Difference]: With dead ends: 3735 [2024-11-08 15:01:35,913 INFO L226 Difference]: Without dead ends: 2454 [2024-11-08 15:01:35,917 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 15:01:35,918 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 1089 mSDsluCounter, 632 mSDsCounter, 0 mSdLazyCounter, 1306 mSolverCounterSat, 351 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1104 SdHoareTripleChecker+Valid, 813 SdHoareTripleChecker+Invalid, 1657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 351 IncrementalHoareTripleChecker+Valid, 1306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 15:01:35,918 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1104 Valid, 813 Invalid, 1657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [351 Valid, 1306 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 15:01:35,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2454 states. [2024-11-08 15:01:35,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2454 to 2296. [2024-11-08 15:01:35,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2296 states, 1870 states have (on average 1.6149732620320856) internal successors, (3020), 1875 states have internal predecessors, (3020), 403 states have call successors, (403), 18 states have call predecessors, (403), 22 states have return successors, (450), 402 states have call predecessors, (450), 402 states have call successors, (450) [2024-11-08 15:01:36,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2296 states to 2296 states and 3873 transitions. [2024-11-08 15:01:36,008 INFO L78 Accepts]: Start accepts. Automaton has 2296 states and 3873 transitions. Word has length 130 [2024-11-08 15:01:36,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:01:36,008 INFO L471 AbstractCegarLoop]: Abstraction has 2296 states and 3873 transitions. [2024-11-08 15:01:36,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 15:01:36,009 INFO L276 IsEmpty]: Start isEmpty. Operand 2296 states and 3873 transitions. [2024-11-08 15:01:36,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-08 15:01:36,018 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:01:36,018 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:01:36,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-08 15:01:36,018 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:01:36,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:01:36,019 INFO L85 PathProgramCache]: Analyzing trace with hash -1387209282, now seen corresponding path program 1 times [2024-11-08 15:01:36,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:01:36,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926708273] [2024-11-08 15:01:36,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:01:36,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:01:36,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:36,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:01:36,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:36,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:01:36,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:36,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:01:36,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:36,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:01:36,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:36,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:01:36,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:36,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:01:36,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:36,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 15:01:36,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:36,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-08 15:01:36,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:36,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-08 15:01:36,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:36,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-08 15:01:36,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:36,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-08 15:01:36,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:36,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 15:01:36,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:36,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 15:01:36,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:36,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 15:01:36,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:36,103 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 15:01:36,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:01:36,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926708273] [2024-11-08 15:01:36,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926708273] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:01:36,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:01:36,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:01:36,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797152115] [2024-11-08 15:01:36,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:01:36,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:01:36,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:01:36,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:01:36,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:01:36,104 INFO L87 Difference]: Start difference. First operand 2296 states and 3873 transitions. Second operand has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 15:01:36,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:01:36,989 INFO L93 Difference]: Finished difference Result 5529 states and 9493 transitions. [2024-11-08 15:01:36,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 15:01:36,989 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 131 [2024-11-08 15:01:36,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:01:37,002 INFO L225 Difference]: With dead ends: 5529 [2024-11-08 15:01:37,002 INFO L226 Difference]: Without dead ends: 3683 [2024-11-08 15:01:37,006 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 15:01:37,006 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 1090 mSDsluCounter, 632 mSDsCounter, 0 mSdLazyCounter, 1287 mSolverCounterSat, 351 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1105 SdHoareTripleChecker+Valid, 811 SdHoareTripleChecker+Invalid, 1638 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 351 IncrementalHoareTripleChecker+Valid, 1287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 15:01:37,006 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1105 Valid, 811 Invalid, 1638 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [351 Valid, 1287 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 15:01:37,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3683 states. [2024-11-08 15:01:37,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3683 to 3525. [2024-11-08 15:01:37,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3525 states, 2920 states have (on average 1.6188356164383562) internal successors, (4727), 2925 states have internal predecessors, (4727), 582 states have call successors, (582), 18 states have call predecessors, (582), 22 states have return successors, (655), 581 states have call predecessors, (655), 581 states have call successors, (655) [2024-11-08 15:01:37,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3525 states to 3525 states and 5964 transitions. [2024-11-08 15:01:37,103 INFO L78 Accepts]: Start accepts. Automaton has 3525 states and 5964 transitions. Word has length 131 [2024-11-08 15:01:37,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:01:37,103 INFO L471 AbstractCegarLoop]: Abstraction has 3525 states and 5964 transitions. [2024-11-08 15:01:37,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 15:01:37,103 INFO L276 IsEmpty]: Start isEmpty. Operand 3525 states and 5964 transitions. [2024-11-08 15:01:37,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-08 15:01:37,112 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:01:37,113 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:01:37,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-08 15:01:37,113 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:01:37,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:01:37,113 INFO L85 PathProgramCache]: Analyzing trace with hash 913454026, now seen corresponding path program 1 times [2024-11-08 15:01:37,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:01:37,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875545842] [2024-11-08 15:01:37,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:01:37,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:01:37,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:37,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:01:37,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:37,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:01:37,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:37,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:01:37,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:37,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:01:37,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:37,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:01:37,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:37,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:01:37,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:37,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 15:01:37,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:37,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 15:01:37,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:37,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-08 15:01:37,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:37,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-08 15:01:37,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:37,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 15:01:37,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:37,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 15:01:37,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:37,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-08 15:01:37,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:37,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-08 15:01:37,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:37,194 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 15:01:37,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:01:37,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875545842] [2024-11-08 15:01:37,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875545842] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:01:37,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:01:37,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:01:37,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713615791] [2024-11-08 15:01:37,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:01:37,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:01:37,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:01:37,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:01:37,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:01:37,196 INFO L87 Difference]: Start difference. First operand 3525 states and 5964 transitions. Second operand has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 15:01:38,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:01:38,134 INFO L93 Difference]: Finished difference Result 8477 states and 14640 transitions. [2024-11-08 15:01:38,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 15:01:38,134 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 132 [2024-11-08 15:01:38,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:01:38,157 INFO L225 Difference]: With dead ends: 8477 [2024-11-08 15:01:38,157 INFO L226 Difference]: Without dead ends: 5714 [2024-11-08 15:01:38,165 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 15:01:38,166 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 1087 mSDsluCounter, 662 mSDsCounter, 0 mSdLazyCounter, 1336 mSolverCounterSat, 346 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1103 SdHoareTripleChecker+Valid, 862 SdHoareTripleChecker+Invalid, 1682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 346 IncrementalHoareTripleChecker+Valid, 1336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 15:01:38,166 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1103 Valid, 862 Invalid, 1682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [346 Valid, 1336 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 15:01:38,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5714 states. [2024-11-08 15:01:38,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5714 to 5556. [2024-11-08 15:01:38,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5556 states, 4575 states have (on average 1.6128961748633879) internal successors, (7379), 4580 states have internal predecessors, (7379), 958 states have call successors, (958), 18 states have call predecessors, (958), 22 states have return successors, (1075), 957 states have call predecessors, (1075), 957 states have call successors, (1075) [2024-11-08 15:01:38,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5556 states to 5556 states and 9412 transitions. [2024-11-08 15:01:38,408 INFO L78 Accepts]: Start accepts. Automaton has 5556 states and 9412 transitions. Word has length 132 [2024-11-08 15:01:38,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:01:38,408 INFO L471 AbstractCegarLoop]: Abstraction has 5556 states and 9412 transitions. [2024-11-08 15:01:38,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 15:01:38,409 INFO L276 IsEmpty]: Start isEmpty. Operand 5556 states and 9412 transitions. [2024-11-08 15:01:38,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-08 15:01:38,422 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:01:38,422 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:01:38,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-08 15:01:38,423 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:01:38,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:01:38,423 INFO L85 PathProgramCache]: Analyzing trace with hash 2099398746, now seen corresponding path program 1 times [2024-11-08 15:01:38,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:01:38,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019339436] [2024-11-08 15:01:38,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:01:38,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:01:38,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:38,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:01:38,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:38,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:01:38,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:38,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:01:38,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:38,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:01:38,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:38,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:01:38,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:38,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:01:38,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:38,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 15:01:38,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:38,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 15:01:38,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:38,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 15:01:38,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:38,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 15:01:38,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:38,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 15:01:38,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:38,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 15:01:38,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:38,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-08 15:01:38,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:38,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-08 15:01:38,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:38,503 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 15:01:38,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:01:38,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019339436] [2024-11-08 15:01:38,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019339436] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:01:38,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:01:38,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:01:38,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698750238] [2024-11-08 15:01:38,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:01:38,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:01:38,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:01:38,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:01:38,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:01:38,504 INFO L87 Difference]: Start difference. First operand 5556 states and 9412 transitions. Second operand has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 15:01:39,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:01:39,532 INFO L93 Difference]: Finished difference Result 13814 states and 23861 transitions. [2024-11-08 15:01:39,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 15:01:39,532 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 133 [2024-11-08 15:01:39,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:01:39,567 INFO L225 Difference]: With dead ends: 13814 [2024-11-08 15:01:39,567 INFO L226 Difference]: Without dead ends: 9397 [2024-11-08 15:01:39,580 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 15:01:39,580 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 1077 mSDsluCounter, 637 mSDsCounter, 0 mSdLazyCounter, 1311 mSolverCounterSat, 344 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1092 SdHoareTripleChecker+Valid, 817 SdHoareTripleChecker+Invalid, 1655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 344 IncrementalHoareTripleChecker+Valid, 1311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 15:01:39,581 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1092 Valid, 817 Invalid, 1655 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [344 Valid, 1311 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 15:01:39,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9397 states. [2024-11-08 15:01:39,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9397 to 9239. [2024-11-08 15:01:39,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9239 states, 7652 states have (on average 1.6106900156821746) internal successors, (12325), 7657 states have internal predecessors, (12325), 1564 states have call successors, (1564), 18 states have call predecessors, (1564), 22 states have return successors, (1759), 1563 states have call predecessors, (1759), 1563 states have call successors, (1759) [2024-11-08 15:01:39,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9239 states to 9239 states and 15648 transitions. [2024-11-08 15:01:39,869 INFO L78 Accepts]: Start accepts. Automaton has 9239 states and 15648 transitions. Word has length 133 [2024-11-08 15:01:39,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:01:39,870 INFO L471 AbstractCegarLoop]: Abstraction has 9239 states and 15648 transitions. [2024-11-08 15:01:39,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 15:01:39,870 INFO L276 IsEmpty]: Start isEmpty. Operand 9239 states and 15648 transitions. [2024-11-08 15:01:39,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-08 15:01:39,889 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:01:39,889 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:01:39,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-08 15:01:39,890 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:01:39,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:01:39,890 INFO L85 PathProgramCache]: Analyzing trace with hash -1620420932, now seen corresponding path program 1 times [2024-11-08 15:01:39,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:01:39,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975664105] [2024-11-08 15:01:39,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:01:39,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:01:39,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:39,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:01:39,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:39,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:01:39,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:39,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:01:39,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:39,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:01:39,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:39,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:01:39,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:39,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:01:39,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:39,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-08 15:01:39,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:39,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 15:01:39,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:39,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 15:01:39,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:39,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 15:01:39,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:39,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 15:01:39,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:39,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-08 15:01:39,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:39,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 15:01:39,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:39,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 15:01:39,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:39,977 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 15:01:39,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:01:39,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975664105] [2024-11-08 15:01:39,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975664105] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:01:39,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:01:39,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:01:39,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50713771] [2024-11-08 15:01:39,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:01:39,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:01:39,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:01:39,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:01:39,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:01:39,979 INFO L87 Difference]: Start difference. First operand 9239 states and 15648 transitions. Second operand has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 15:01:41,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:01:41,135 INFO L93 Difference]: Finished difference Result 23998 states and 41407 transitions. [2024-11-08 15:01:41,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 15:01:41,135 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 134 [2024-11-08 15:01:41,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:01:41,182 INFO L225 Difference]: With dead ends: 23998 [2024-11-08 15:01:41,183 INFO L226 Difference]: Without dead ends: 16350 [2024-11-08 15:01:41,203 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 15:01:41,204 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 1089 mSDsluCounter, 657 mSDsCounter, 0 mSdLazyCounter, 1302 mSolverCounterSat, 352 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1105 SdHoareTripleChecker+Valid, 851 SdHoareTripleChecker+Invalid, 1654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 352 IncrementalHoareTripleChecker+Valid, 1302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 15:01:41,204 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1105 Valid, 851 Invalid, 1654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [352 Valid, 1302 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 15:01:41,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16350 states. [2024-11-08 15:01:41,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16350 to 16192. [2024-11-08 15:01:41,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16192 states, 13402 states have (on average 1.601775854350097) internal successors, (21467), 13407 states have internal predecessors, (21467), 2767 states have call successors, (2767), 18 states have call predecessors, (2767), 22 states have return successors, (3106), 2766 states have call predecessors, (3106), 2766 states have call successors, (3106) [2024-11-08 15:01:41,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16192 states to 16192 states and 27340 transitions. [2024-11-08 15:01:41,673 INFO L78 Accepts]: Start accepts. Automaton has 16192 states and 27340 transitions. Word has length 134 [2024-11-08 15:01:41,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:01:41,673 INFO L471 AbstractCegarLoop]: Abstraction has 16192 states and 27340 transitions. [2024-11-08 15:01:41,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 15:01:41,674 INFO L276 IsEmpty]: Start isEmpty. Operand 16192 states and 27340 transitions. [2024-11-08 15:01:41,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-08 15:01:41,698 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:01:41,699 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:01:41,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-08 15:01:41,699 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:01:41,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:01:41,699 INFO L85 PathProgramCache]: Analyzing trace with hash -71748903, now seen corresponding path program 1 times [2024-11-08 15:01:41,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:01:41,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426798579] [2024-11-08 15:01:41,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:01:41,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:01:41,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:41,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:01:41,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:41,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:01:41,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:41,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:01:41,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:41,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:01:41,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:41,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:01:41,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:41,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:01:41,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:41,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 15:01:41,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:41,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-08 15:01:41,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:41,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 15:01:41,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:41,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 15:01:41,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:41,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-08 15:01:41,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:41,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 15:01:41,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:41,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 15:01:41,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:41,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 15:01:41,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:41,788 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 15:01:41,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:01:41,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426798579] [2024-11-08 15:01:41,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426798579] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:01:41,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:01:41,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:01:41,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109416830] [2024-11-08 15:01:41,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:01:41,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:01:41,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:01:41,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:01:41,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:01:41,789 INFO L87 Difference]: Start difference. First operand 16192 states and 27340 transitions. Second operand has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 15:01:43,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:01:43,083 INFO L93 Difference]: Finished difference Result 42964 states and 74006 transitions. [2024-11-08 15:01:43,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 15:01:43,084 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 135 [2024-11-08 15:01:43,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:01:43,170 INFO L225 Difference]: With dead ends: 42964 [2024-11-08 15:01:43,171 INFO L226 Difference]: Without dead ends: 29005 [2024-11-08 15:01:43,204 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 15:01:43,204 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 1078 mSDsluCounter, 633 mSDsCounter, 0 mSdLazyCounter, 1279 mSolverCounterSat, 350 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1094 SdHoareTripleChecker+Valid, 810 SdHoareTripleChecker+Invalid, 1629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 350 IncrementalHoareTripleChecker+Valid, 1279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 15:01:43,205 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1094 Valid, 810 Invalid, 1629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [350 Valid, 1279 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 15:01:43,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29005 states. [2024-11-08 15:01:44,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29005 to 28847. [2024-11-08 15:01:44,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28847 states, 24018 states have (on average 1.5975934715629945) internal successors, (38371), 24023 states have internal predecessors, (38371), 4806 states have call successors, (4806), 18 states have call predecessors, (4806), 22 states have return successors, (5419), 4805 states have call predecessors, (5419), 4805 states have call successors, (5419) [2024-11-08 15:01:44,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28847 states to 28847 states and 48596 transitions. [2024-11-08 15:01:44,368 INFO L78 Accepts]: Start accepts. Automaton has 28847 states and 48596 transitions. Word has length 135 [2024-11-08 15:01:44,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:01:44,369 INFO L471 AbstractCegarLoop]: Abstraction has 28847 states and 48596 transitions. [2024-11-08 15:01:44,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 15:01:44,369 INFO L276 IsEmpty]: Start isEmpty. Operand 28847 states and 48596 transitions. [2024-11-08 15:01:44,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-08 15:01:44,397 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:01:44,397 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:01:44,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-08 15:01:44,397 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:01:44,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:01:44,398 INFO L85 PathProgramCache]: Analyzing trace with hash 1737476538, now seen corresponding path program 1 times [2024-11-08 15:01:44,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:01:44,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850893459] [2024-11-08 15:01:44,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:01:44,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:01:44,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:44,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:01:44,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:44,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:01:44,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:44,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:01:44,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:44,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:01:44,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:44,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:01:44,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:44,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:01:44,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:44,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-08 15:01:44,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:44,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 15:01:44,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:44,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 15:01:44,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:44,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 15:01:44,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:44,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 15:01:44,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:44,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 15:01:44,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:44,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-08 15:01:44,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:44,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-08 15:01:44,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:44,477 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 15:01:44,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:01:44,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850893459] [2024-11-08 15:01:44,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850893459] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:01:44,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:01:44,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:01:44,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010473751] [2024-11-08 15:01:44,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:01:44,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:01:44,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:01:44,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:01:44,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:01:44,479 INFO L87 Difference]: Start difference. First operand 28847 states and 48596 transitions. Second operand has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 15:01:46,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:01:46,503 INFO L93 Difference]: Finished difference Result 78726 states and 134765 transitions. [2024-11-08 15:01:46,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 15:01:46,503 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 136 [2024-11-08 15:01:46,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:01:46,694 INFO L225 Difference]: With dead ends: 78726 [2024-11-08 15:01:46,695 INFO L226 Difference]: Without dead ends: 52884 [2024-11-08 15:01:46,768 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 15:01:46,768 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 1085 mSDsluCounter, 633 mSDsCounter, 0 mSdLazyCounter, 1286 mSolverCounterSat, 366 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1100 SdHoareTripleChecker+Valid, 813 SdHoareTripleChecker+Invalid, 1652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 366 IncrementalHoareTripleChecker+Valid, 1286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-08 15:01:46,768 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1100 Valid, 813 Invalid, 1652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [366 Valid, 1286 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-08 15:01:46,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52884 states. [2024-11-08 15:01:48,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52884 to 52726. [2024-11-08 15:01:48,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52726 states, 44182 states have (on average 1.5920510615182653) internal successors, (70340), 44187 states have internal predecessors, (70340), 8521 states have call successors, (8521), 18 states have call predecessors, (8521), 22 states have return successors, (9666), 8520 states have call predecessors, (9666), 8520 states have call successors, (9666) [2024-11-08 15:01:48,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52726 states to 52726 states and 88527 transitions. [2024-11-08 15:01:48,446 INFO L78 Accepts]: Start accepts. Automaton has 52726 states and 88527 transitions. Word has length 136 [2024-11-08 15:01:48,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:01:48,447 INFO L471 AbstractCegarLoop]: Abstraction has 52726 states and 88527 transitions. [2024-11-08 15:01:48,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 15:01:48,447 INFO L276 IsEmpty]: Start isEmpty. Operand 52726 states and 88527 transitions. [2024-11-08 15:01:48,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-08 15:01:48,484 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:01:48,484 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:01:48,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-08 15:01:48,485 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:01:48,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:01:48,485 INFO L85 PathProgramCache]: Analyzing trace with hash 1452520601, now seen corresponding path program 1 times [2024-11-08 15:01:48,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:01:48,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001220962] [2024-11-08 15:01:48,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:01:48,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:01:48,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:48,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:01:48,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:48,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:01:48,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:48,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:01:48,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:48,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:01:48,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:48,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:01:48,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:48,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:01:48,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:48,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 15:01:48,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:48,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 15:01:48,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:48,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-08 15:01:48,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:48,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-08 15:01:48,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:48,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-08 15:01:48,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:48,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 15:01:48,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:48,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 15:01:48,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:48,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-08 15:01:48,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:48,560 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 15:01:48,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:01:48,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001220962] [2024-11-08 15:01:48,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001220962] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:01:48,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:01:48,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:01:48,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188288651] [2024-11-08 15:01:48,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:01:48,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:01:48,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:01:48,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:01:48,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:01:48,563 INFO L87 Difference]: Start difference. First operand 52726 states and 88527 transitions. Second operand has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 15:01:51,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:01:51,267 INFO L93 Difference]: Finished difference Result 98497 states and 168952 transitions. [2024-11-08 15:01:51,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 15:01:51,272 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 137 [2024-11-08 15:01:51,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:01:51,661 INFO L225 Difference]: With dead ends: 98497 [2024-11-08 15:01:51,661 INFO L226 Difference]: Without dead ends: 98343 [2024-11-08 15:01:51,699 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-08 15:01:51,700 INFO L432 NwaCegarLoop]: 190 mSDtfsCounter, 1068 mSDsluCounter, 661 mSDsCounter, 0 mSdLazyCounter, 1324 mSolverCounterSat, 343 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1083 SdHoareTripleChecker+Valid, 851 SdHoareTripleChecker+Invalid, 1667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 343 IncrementalHoareTripleChecker+Valid, 1324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 15:01:51,700 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1083 Valid, 851 Invalid, 1667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [343 Valid, 1324 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 15:01:51,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98343 states. [2024-11-08 15:01:54,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98343 to 98185. [2024-11-08 15:01:54,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98185 states, 82842 states have (on average 1.5850655464619396) internal successors, (131310), 82847 states have internal predecessors, (131310), 15320 states have call successors, (15320), 18 states have call predecessors, (15320), 22 states have return successors, (17511), 15319 states have call predecessors, (17511), 15319 states have call successors, (17511) [2024-11-08 15:01:55,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98185 states to 98185 states and 164141 transitions. [2024-11-08 15:01:55,086 INFO L78 Accepts]: Start accepts. Automaton has 98185 states and 164141 transitions. Word has length 137 [2024-11-08 15:01:55,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:01:55,086 INFO L471 AbstractCegarLoop]: Abstraction has 98185 states and 164141 transitions. [2024-11-08 15:01:55,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 15:01:55,087 INFO L276 IsEmpty]: Start isEmpty. Operand 98185 states and 164141 transitions. [2024-11-08 15:01:55,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-08 15:01:55,128 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:01:55,128 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:01:55,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-08 15:01:55,128 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:01:55,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:01:55,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1217673285, now seen corresponding path program 1 times [2024-11-08 15:01:55,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:01:55,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524719657] [2024-11-08 15:01:55,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:01:55,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:01:55,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:55,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:01:55,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:55,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:01:55,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:55,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:01:55,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:55,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:01:55,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:55,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:01:55,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:55,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:01:55,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:55,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 15:01:55,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:55,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 15:01:55,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:55,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-08 15:01:55,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:55,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 15:01:55,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:55,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 15:01:55,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:55,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 15:01:55,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:55,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-08 15:01:55,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:55,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-08 15:01:55,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:01:55,282 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 15:01:55,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:01:55,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524719657] [2024-11-08 15:01:55,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524719657] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:01:55,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:01:55,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 15:01:55,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659986923] [2024-11-08 15:01:55,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:01:55,283 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 15:01:55,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:01:55,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 15:01:55,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 15:01:55,284 INFO L87 Difference]: Start difference. First operand 98185 states and 164141 transitions. Second operand has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (16), 5 states have call predecessors, (16), 2 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 15:01:58,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:01:58,173 INFO L93 Difference]: Finished difference Result 98481 states and 167841 transitions. [2024-11-08 15:01:58,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 15:01:58,174 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (16), 5 states have call predecessors, (16), 2 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) Word has length 138 [2024-11-08 15:01:58,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:01:58,627 INFO L225 Difference]: With dead ends: 98481 [2024-11-08 15:01:58,628 INFO L226 Difference]: Without dead ends: 98335 [2024-11-08 15:01:58,656 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=109, Invalid=271, Unknown=0, NotChecked=0, Total=380 [2024-11-08 15:01:58,657 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 974 mSDsluCounter, 937 mSDsCounter, 0 mSdLazyCounter, 2286 mSolverCounterSat, 281 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 974 SdHoareTripleChecker+Valid, 1115 SdHoareTripleChecker+Invalid, 2567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 281 IncrementalHoareTripleChecker+Valid, 2286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-08 15:01:58,657 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [974 Valid, 1115 Invalid, 2567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [281 Valid, 2286 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-08 15:01:58,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98335 states. [2024-11-08 15:02:01,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98335 to 98185. [2024-11-08 15:02:01,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98185 states, 82842 states have (on average 1.5850534752903116) internal successors, (131309), 82847 states have internal predecessors, (131309), 15320 states have call successors, (15320), 18 states have call predecessors, (15320), 22 states have return successors, (17511), 15319 states have call predecessors, (17511), 15319 states have call successors, (17511) [2024-11-08 15:02:01,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98185 states to 98185 states and 164140 transitions. [2024-11-08 15:02:01,471 INFO L78 Accepts]: Start accepts. Automaton has 98185 states and 164140 transitions. Word has length 138 [2024-11-08 15:02:01,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:02:01,471 INFO L471 AbstractCegarLoop]: Abstraction has 98185 states and 164140 transitions. [2024-11-08 15:02:01,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (16), 5 states have call predecessors, (16), 2 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 15:02:01,472 INFO L276 IsEmpty]: Start isEmpty. Operand 98185 states and 164140 transitions. [2024-11-08 15:02:01,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-08 15:02:01,523 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:02:01,524 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:02:01,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-08 15:02:01,524 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:02:01,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:02:01,525 INFO L85 PathProgramCache]: Analyzing trace with hash -1770088573, now seen corresponding path program 1 times [2024-11-08 15:02:01,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:02:01,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010345867] [2024-11-08 15:02:01,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:02:01,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:02:01,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:02:01,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:02:01,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:02:01,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:02:01,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:02:01,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:02:01,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:02:01,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:02:01,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:02:01,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:02:01,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:02:01,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:02:01,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:02:01,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 15:02:01,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:02:01,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 15:02:01,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:02:01,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-08 15:02:01,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:02:01,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 15:02:01,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:02:01,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 15:02:01,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:02:01,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 15:02:01,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:02:01,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-08 15:02:01,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:02:02,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-08 15:02:02,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:02:02,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 15:02:02,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:02:02,025 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 15:02:02,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:02:02,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010345867] [2024-11-08 15:02:02,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010345867] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:02:02,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:02:02,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-08 15:02:02,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143006871] [2024-11-08 15:02:02,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:02:02,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 15:02:02,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:02:02,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 15:02:02,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-08 15:02:02,027 INFO L87 Difference]: Start difference. First operand 98185 states and 164140 transitions. Second operand has 10 states, 10 states have (on average 10.0) internal successors, (100), 5 states have internal predecessors, (100), 2 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 15:02:05,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:02:05,569 INFO L93 Difference]: Finished difference Result 98769 states and 168253 transitions. [2024-11-08 15:02:05,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-08 15:02:05,569 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.0) internal successors, (100), 5 states have internal predecessors, (100), 2 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) Word has length 145 [2024-11-08 15:02:05,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:02:06,006 INFO L225 Difference]: With dead ends: 98769 [2024-11-08 15:02:06,006 INFO L226 Difference]: Without dead ends: 98623 [2024-11-08 15:02:06,042 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=184, Invalid=466, Unknown=0, NotChecked=0, Total=650 [2024-11-08 15:02:06,046 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 1848 mSDsluCounter, 920 mSDsCounter, 0 mSdLazyCounter, 3413 mSolverCounterSat, 435 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1862 SdHoareTripleChecker+Valid, 1098 SdHoareTripleChecker+Invalid, 3848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 435 IncrementalHoareTripleChecker+Valid, 3413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-08 15:02:06,047 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1862 Valid, 1098 Invalid, 3848 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [435 Valid, 3413 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-08 15:02:06,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98623 states. [2024-11-08 15:02:08,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98623 to 98333. [2024-11-08 15:02:08,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98333 states, 82960 states have (on average 1.584811957569913) internal successors, (131476), 82965 states have internal predecessors, (131476), 15338 states have call successors, (15338), 28 states have call predecessors, (15338), 34 states have return successors, (17532), 15339 states have call predecessors, (17532), 15336 states have call successors, (17532) [2024-11-08 15:02:09,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98333 states to 98333 states and 164346 transitions. [2024-11-08 15:02:09,124 INFO L78 Accepts]: Start accepts. Automaton has 98333 states and 164346 transitions. Word has length 145 [2024-11-08 15:02:09,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:02:09,124 INFO L471 AbstractCegarLoop]: Abstraction has 98333 states and 164346 transitions. [2024-11-08 15:02:09,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.0) internal successors, (100), 5 states have internal predecessors, (100), 2 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-08 15:02:09,124 INFO L276 IsEmpty]: Start isEmpty. Operand 98333 states and 164346 transitions. [2024-11-08 15:02:09,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-08 15:02:09,185 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:02:09,186 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:02:09,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-08 15:02:09,186 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:02:09,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:02:09,186 INFO L85 PathProgramCache]: Analyzing trace with hash 1606633112, now seen corresponding path program 1 times [2024-11-08 15:02:09,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:02:09,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565557223] [2024-11-08 15:02:09,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:02:09,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:02:09,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:02:09,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:02:09,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:02:09,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:02:09,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:02:09,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:02:09,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:02:09,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:02:09,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:02:09,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:02:09,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:02:09,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:02:09,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:02:09,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 15:02:09,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:02:09,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 15:02:09,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:02:09,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-08 15:02:09,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:02:09,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 15:02:09,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:02:09,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 15:02:09,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:02:09,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 15:02:09,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:02:09,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-08 15:02:09,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:02:09,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 15:02:09,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:02:09,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 15:02:09,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:02:09,495 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 15:02:09,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:02:09,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565557223] [2024-11-08 15:02:09,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565557223] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:02:09,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:02:09,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-08 15:02:09,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413294702] [2024-11-08 15:02:09,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:02:09,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-08 15:02:09,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:02:09,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-08 15:02:09,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2024-11-08 15:02:09,497 INFO L87 Difference]: Start difference. First operand 98333 states and 164346 transitions. Second operand has 17 states, 15 states have (on average 6.733333333333333) internal successors, (101), 12 states have internal predecessors, (101), 8 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (15), 6 states have call predecessors, (15), 7 states have call successors, (15) [2024-11-08 15:02:14,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:02:14,566 INFO L93 Difference]: Finished difference Result 99263 states and 168960 transitions. [2024-11-08 15:02:14,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-08 15:02:14,567 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 6.733333333333333) internal successors, (101), 12 states have internal predecessors, (101), 8 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (15), 6 states have call predecessors, (15), 7 states have call successors, (15) Word has length 146 [2024-11-08 15:02:14,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:02:14,864 INFO L225 Difference]: With dead ends: 99263 [2024-11-08 15:02:14,864 INFO L226 Difference]: Without dead ends: 98713 [2024-11-08 15:02:14,908 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 549 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=408, Invalid=2142, Unknown=0, NotChecked=0, Total=2550 [2024-11-08 15:02:14,908 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 1479 mSDsluCounter, 2112 mSDsCounter, 0 mSdLazyCounter, 7467 mSolverCounterSat, 463 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1479 SdHoareTripleChecker+Valid, 2291 SdHoareTripleChecker+Invalid, 7930 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 463 IncrementalHoareTripleChecker+Valid, 7467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-08 15:02:14,908 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1479 Valid, 2291 Invalid, 7930 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [463 Valid, 7467 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-08 15:02:14,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98713 states. [2024-11-08 15:02:17,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98713 to 98388. [2024-11-08 15:02:17,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98388 states, 83002 states have (on average 1.5847088021975375) internal successors, (131534), 83010 states have internal predecessors, (131534), 15349 states have call successors, (15349), 29 states have call predecessors, (15349), 36 states have return successors, (17545), 15348 states have call predecessors, (17545), 15347 states have call successors, (17545) [2024-11-08 15:02:17,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98388 states to 98388 states and 164428 transitions. [2024-11-08 15:02:18,008 INFO L78 Accepts]: Start accepts. Automaton has 98388 states and 164428 transitions. Word has length 146 [2024-11-08 15:02:18,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:02:18,009 INFO L471 AbstractCegarLoop]: Abstraction has 98388 states and 164428 transitions. [2024-11-08 15:02:18,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 6.733333333333333) internal successors, (101), 12 states have internal predecessors, (101), 8 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (15), 6 states have call predecessors, (15), 7 states have call successors, (15) [2024-11-08 15:02:18,009 INFO L276 IsEmpty]: Start isEmpty. Operand 98388 states and 164428 transitions. [2024-11-08 15:02:18,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-08 15:02:18,153 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:02:18,153 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:02:18,153 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-08 15:02:18,153 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:02:18,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:02:18,154 INFO L85 PathProgramCache]: Analyzing trace with hash -5833469, now seen corresponding path program 1 times [2024-11-08 15:02:18,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:02:18,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206458045] [2024-11-08 15:02:18,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:02:18,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:02:18,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:02:18,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 15:02:18,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:02:18,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:02:18,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:02:18,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:02:18,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:02:18,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:02:18,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:02:18,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 15:02:18,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:02:18,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-08 15:02:18,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:02:18,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 15:02:18,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:02:18,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 15:02:18,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:02:18,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-08 15:02:18,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:02:18,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 15:02:18,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:02:18,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 15:02:18,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:02:18,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 15:02:18,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:02:18,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 15:02:18,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:02:18,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-08 15:02:18,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:02:18,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 15:02:18,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:02:18,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 15:02:18,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:02:18,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-08 15:02:18,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:02:18,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-08 15:02:18,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:02:18,313 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-08 15:02:18,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:02:18,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206458045] [2024-11-08 15:02:18,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206458045] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:02:18,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:02:18,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-08 15:02:18,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907391822] [2024-11-08 15:02:18,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:02:18,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 15:02:18,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:02:18,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 15:02:18,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-08 15:02:18,315 INFO L87 Difference]: Start difference. First operand 98388 states and 164428 transitions. Second operand has 10 states, 10 states have (on average 11.2) internal successors, (112), 5 states have internal predecessors, (112), 2 states have call successors, (20), 6 states have call predecessors, (20), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18)