./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec4_product27.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec4_product27.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 4373ae32f100aa418b32a7018bfdec5c3f7ae719a7f9b296410b14fba54a4baf --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 00:51:15,463 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 00:51:15,518 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 00:51:15,526 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 00:51:15,527 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 00:51:15,555 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 00:51:15,556 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 00:51:15,557 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 00:51:15,557 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 00:51:15,558 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 00:51:15,559 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 00:51:15,559 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 00:51:15,559 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 00:51:15,560 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 00:51:15,561 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 00:51:15,561 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 00:51:15,561 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 00:51:15,562 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 00:51:15,562 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 00:51:15,564 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 00:51:15,565 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 00:51:15,565 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 00:51:15,565 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 00:51:15,565 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 00:51:15,566 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 00:51:15,566 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 00:51:15,566 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 00:51:15,566 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 00:51:15,566 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 00:51:15,567 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 00:51:15,567 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 00:51:15,567 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 00:51:15,567 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 00:51:15,567 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 00:51:15,567 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 00:51:15,567 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 00:51:15,568 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 00:51:15,568 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 00:51:15,568 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 00:51:15,568 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 00:51:15,568 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 00:51:15,569 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 00:51:15,570 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4373ae32f100aa418b32a7018bfdec5c3f7ae719a7f9b296410b14fba54a4baf [2024-10-24 00:51:15,739 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 00:51:15,754 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 00:51:15,755 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 00:51:15,756 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 00:51:15,756 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 00:51:15,757 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec4_product27.cil.c [2024-10-24 00:51:17,088 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 00:51:17,337 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 00:51:17,337 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec4_product27.cil.c [2024-10-24 00:51:17,358 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20784422a/dbc8b423b0204a6590fa0b43c3f80cad/FLAGd355311ab [2024-10-24 00:51:17,375 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20784422a/dbc8b423b0204a6590fa0b43c3f80cad [2024-10-24 00:51:17,377 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 00:51:17,378 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 00:51:17,379 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 00:51:17,379 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 00:51:17,384 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 00:51:17,384 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:51:17" (1/1) ... [2024-10-24 00:51:17,385 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@305be39a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:51:17, skipping insertion in model container [2024-10-24 00:51:17,385 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:51:17" (1/1) ... [2024-10-24 00:51:17,426 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 00:51:17,643 WARN L248 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_spec4_product27.cil.c[1542,1555] [2024-10-24 00:51:17,894 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 00:51:17,910 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 00:51:17,917 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [48] [2024-10-24 00:51:17,918 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [57] [2024-10-24 00:51:17,919 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [75] [2024-10-24 00:51:17,919 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [308] [2024-10-24 00:51:17,919 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [357] [2024-10-24 00:51:17,919 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [1437] [2024-10-24 00:51:17,919 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1849] [2024-10-24 00:51:17,920 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1948] [2024-10-24 00:51:17,920 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2314] [2024-10-24 00:51:17,920 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2619] [2024-10-24 00:51:17,920 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"SignForward_spec.i","") [2985] [2024-10-24 00:51:17,922 WARN L248 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_spec4_product27.cil.c[1542,1555] [2024-10-24 00:51:17,968 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 00:51:17,996 INFO L204 MainTranslator]: Completed translation [2024-10-24 00:51:17,997 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:51:17 WrapperNode [2024-10-24 00:51:17,997 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 00:51:17,998 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 00:51:17,998 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 00:51:17,998 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 00:51:18,003 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:51:17" (1/1) ... [2024-10-24 00:51:18,021 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:51:17" (1/1) ... [2024-10-24 00:51:18,063 INFO L138 Inliner]: procedures = 133, calls = 208, calls flagged for inlining = 64, calls inlined = 61, statements flattened = 1116 [2024-10-24 00:51:18,064 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 00:51:18,065 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 00:51:18,065 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 00:51:18,065 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 00:51:18,074 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:51:17" (1/1) ... [2024-10-24 00:51:18,074 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:51:17" (1/1) ... [2024-10-24 00:51:18,084 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:51:17" (1/1) ... [2024-10-24 00:51:18,128 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]. [2024-10-24 00:51:18,131 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:51:17" (1/1) ... [2024-10-24 00:51:18,131 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:51:17" (1/1) ... [2024-10-24 00:51:18,144 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:51:17" (1/1) ... [2024-10-24 00:51:18,152 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:51:17" (1/1) ... [2024-10-24 00:51:18,156 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:51:17" (1/1) ... [2024-10-24 00:51:18,161 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:51:17" (1/1) ... [2024-10-24 00:51:18,169 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 00:51:18,170 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 00:51:18,171 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 00:51:18,171 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 00:51:18,171 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:51:17" (1/1) ... [2024-10-24 00:51:18,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 00:51:18,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 00:51:18,218 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) [2024-10-24 00:51:18,225 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 [2024-10-24 00:51:18,271 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-10-24 00:51:18,271 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-10-24 00:51:18,271 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-10-24 00:51:18,271 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-10-24 00:51:18,271 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-10-24 00:51:18,272 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-10-24 00:51:18,272 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-10-24 00:51:18,272 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-10-24 00:51:18,273 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2024-10-24 00:51:18,273 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2024-10-24 00:51:18,273 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-10-24 00:51:18,273 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-10-24 00:51:18,273 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-10-24 00:51:18,274 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-10-24 00:51:18,274 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-10-24 00:51:18,274 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-10-24 00:51:18,274 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-10-24 00:51:18,275 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-10-24 00:51:18,276 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-10-24 00:51:18,276 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-10-24 00:51:18,276 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-10-24 00:51:18,276 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-10-24 00:51:18,276 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2024-10-24 00:51:18,276 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2024-10-24 00:51:18,276 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-10-24 00:51:18,276 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-10-24 00:51:18,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 00:51:18,276 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-10-24 00:51:18,277 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-10-24 00:51:18,277 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-10-24 00:51:18,277 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-10-24 00:51:18,277 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-10-24 00:51:18,277 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-10-24 00:51:18,277 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-10-24 00:51:18,277 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-10-24 00:51:18,277 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-10-24 00:51:18,277 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-10-24 00:51:18,277 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-10-24 00:51:18,277 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-10-24 00:51:18,277 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-10-24 00:51:18,277 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-10-24 00:51:18,277 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-10-24 00:51:18,277 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-10-24 00:51:18,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 00:51:18,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-24 00:51:18,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-24 00:51:18,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-24 00:51:18,278 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-10-24 00:51:18,278 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-10-24 00:51:18,278 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-10-24 00:51:18,278 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-10-24 00:51:18,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 00:51:18,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 00:51:18,474 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 00:51:18,476 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 00:51:19,225 INFO L? ?]: Removed 565 outVars from TransFormulas that were not future-live. [2024-10-24 00:51:19,226 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 00:51:19,302 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 00:51:19,305 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 00:51:19,306 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:51:19 BoogieIcfgContainer [2024-10-24 00:51:19,306 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 00:51:19,307 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 00:51:19,307 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 00:51:19,310 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 00:51:19,310 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 12:51:17" (1/3) ... [2024-10-24 00:51:19,311 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62df334b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:51:19, skipping insertion in model container [2024-10-24 00:51:19,311 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:51:17" (2/3) ... [2024-10-24 00:51:19,311 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62df334b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:51:19, skipping insertion in model container [2024-10-24 00:51:19,312 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:51:19" (3/3) ... [2024-10-24 00:51:19,312 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec4_product27.cil.c [2024-10-24 00:51:19,324 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 00:51:19,324 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 00:51:19,387 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 00:51:19,392 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;@6c374fbe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 00:51:19,392 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 00:51:19,398 INFO L276 IsEmpty]: Start isEmpty. Operand has 376 states, 291 states have (on average 1.6185567010309279) internal successors, (471), 294 states have internal predecessors, (471), 60 states have call successors, (60), 23 states have call predecessors, (60), 23 states have return successors, (60), 59 states have call predecessors, (60), 60 states have call successors, (60) [2024-10-24 00:51:19,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-10-24 00:51:19,416 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:51:19,417 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-10-24 00:51:19,418 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:51:19,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:51:19,422 INFO L85 PathProgramCache]: Analyzing trace with hash -826176283, now seen corresponding path program 1 times [2024-10-24 00:51:19,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:51:19,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268701818] [2024-10-24 00:51:19,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:51:19,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:51:19,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:19,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:51:19,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:19,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:51:19,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:19,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:51:19,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:19,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 00:51:19,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:19,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 00:51:19,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:19,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 00:51:19,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:19,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 00:51:19,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:19,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 00:51:19,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:19,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 00:51:19,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:19,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 00:51:19,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:19,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 00:51:19,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:19,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 00:51:19,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:19,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 00:51:19,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:19,987 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-10-24 00:51:19,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:51:19,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268701818] [2024-10-24 00:51:19,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268701818] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 00:51:19,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1456776679] [2024-10-24 00:51:19,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:51:19,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 00:51:19,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 00:51:19,991 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) [2024-10-24 00:51:19,996 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 00:51:20,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:20,300 INFO L255 TraceCheckSpWp]: Trace formula consists of 979 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-24 00:51:20,307 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 00:51:20,327 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-24 00:51:20,329 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 00:51:20,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1456776679] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:51:20,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 00:51:20,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2024-10-24 00:51:20,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982735805] [2024-10-24 00:51:20,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:51:20,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 00:51:20,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:51:20,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 00:51:20,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-24 00:51:20,359 INFO L87 Difference]: Start difference. First operand has 376 states, 291 states have (on average 1.6185567010309279) internal successors, (471), 294 states have internal predecessors, (471), 60 states have call successors, (60), 23 states have call predecessors, (60), 23 states have return successors, (60), 59 states have call predecessors, (60), 60 states have call successors, (60) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-24 00:51:20,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:51:20,451 INFO L93 Difference]: Finished difference Result 564 states and 874 transitions. [2024-10-24 00:51:20,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 00:51:20,453 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 95 [2024-10-24 00:51:20,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:51:20,464 INFO L225 Difference]: With dead ends: 564 [2024-10-24 00:51:20,465 INFO L226 Difference]: Without dead ends: 373 [2024-10-24 00:51:20,469 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-24 00:51:20,471 INFO L432 NwaCegarLoop]: 568 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 00:51:20,472 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 568 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 00:51:20,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2024-10-24 00:51:20,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 373. [2024-10-24 00:51:20,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 289 states have (on average 1.6055363321799307) internal successors, (464), 291 states have internal predecessors, (464), 60 states have call successors, (60), 23 states have call predecessors, (60), 23 states have return successors, (59), 58 states have call predecessors, (59), 59 states have call successors, (59) [2024-10-24 00:51:20,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 583 transitions. [2024-10-24 00:51:20,534 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 583 transitions. Word has length 95 [2024-10-24 00:51:20,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:51:20,540 INFO L471 AbstractCegarLoop]: Abstraction has 373 states and 583 transitions. [2024-10-24 00:51:20,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-24 00:51:20,540 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 583 transitions. [2024-10-24 00:51:20,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-24 00:51:20,547 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:51:20,547 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-10-24 00:51:20,564 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-24 00:51:20,751 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 [2024-10-24 00:51:20,752 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:51:20,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:51:20,752 INFO L85 PathProgramCache]: Analyzing trace with hash -455101672, now seen corresponding path program 1 times [2024-10-24 00:51:20,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:51:20,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662707929] [2024-10-24 00:51:20,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:51:20,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:51:20,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:20,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:51:20,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:20,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:51:20,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:20,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:51:20,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:20,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 00:51:20,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:20,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 00:51:20,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:20,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 00:51:20,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:21,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 00:51:21,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:21,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-24 00:51:21,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:21,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 00:51:21,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:21,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-24 00:51:21,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:21,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 00:51:21,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:21,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 00:51:21,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:21,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-24 00:51:21,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:21,032 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-10-24 00:51:21,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:51:21,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662707929] [2024-10-24 00:51:21,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662707929] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 00:51:21,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1637712145] [2024-10-24 00:51:21,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:51:21,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 00:51:21,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 00:51:21,036 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) [2024-10-24 00:51:21,041 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-24 00:51:21,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:21,288 INFO L255 TraceCheckSpWp]: Trace formula consists of 980 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-24 00:51:21,291 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 00:51:21,312 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-24 00:51:21,313 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 00:51:21,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1637712145] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:51:21,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 00:51:21,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-10-24 00:51:21,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217474300] [2024-10-24 00:51:21,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:51:21,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 00:51:21,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:51:21,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 00:51:21,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-24 00:51:21,315 INFO L87 Difference]: Start difference. First operand 373 states and 583 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-24 00:51:21,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:51:21,378 INFO L93 Difference]: Finished difference Result 560 states and 858 transitions. [2024-10-24 00:51:21,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 00:51:21,379 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 96 [2024-10-24 00:51:21,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:51:21,381 INFO L225 Difference]: With dead ends: 560 [2024-10-24 00:51:21,381 INFO L226 Difference]: Without dead ends: 375 [2024-10-24 00:51:21,386 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-24 00:51:21,387 INFO L432 NwaCegarLoop]: 565 mSDtfsCounter, 0 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1129 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 00:51:21,388 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1129 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 00:51:21,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2024-10-24 00:51:21,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 375. [2024-10-24 00:51:21,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 291 states have (on average 1.6013745704467355) internal successors, (466), 293 states have internal predecessors, (466), 60 states have call successors, (60), 23 states have call predecessors, (60), 23 states have return successors, (59), 58 states have call predecessors, (59), 59 states have call successors, (59) [2024-10-24 00:51:21,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 585 transitions. [2024-10-24 00:51:21,407 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 585 transitions. Word has length 96 [2024-10-24 00:51:21,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:51:21,407 INFO L471 AbstractCegarLoop]: Abstraction has 375 states and 585 transitions. [2024-10-24 00:51:21,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-24 00:51:21,407 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 585 transitions. [2024-10-24 00:51:21,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-10-24 00:51:21,410 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:51:21,410 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-10-24 00:51:21,425 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-24 00:51:21,614 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 [2024-10-24 00:51:21,615 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:51:21,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:51:21,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1705677473, now seen corresponding path program 1 times [2024-10-24 00:51:21,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:51:21,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795571961] [2024-10-24 00:51:21,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:51:21,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:51:21,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:21,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:51:21,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:21,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:51:21,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:21,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:51:21,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:21,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 00:51:21,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:21,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 00:51:21,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:21,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 00:51:21,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:21,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-24 00:51:21,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:21,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 00:51:21,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:21,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 00:51:21,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:21,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 00:51:21,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:21,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-24 00:51:21,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:21,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-24 00:51:21,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:21,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 00:51:21,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:21,811 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-24 00:51:21,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:51:21,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795571961] [2024-10-24 00:51:21,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795571961] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 00:51:21,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1564052044] [2024-10-24 00:51:21,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:51:21,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 00:51:21,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 00:51:21,814 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) [2024-10-24 00:51:21,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-24 00:51:22,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:22,026 INFO L255 TraceCheckSpWp]: Trace formula consists of 1004 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 00:51:22,030 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 00:51:22,048 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-10-24 00:51:22,048 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 00:51:22,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1564052044] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:51:22,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 00:51:22,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-10-24 00:51:22,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079673168] [2024-10-24 00:51:22,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:51:22,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 00:51:22,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:51:22,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 00:51:22,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-24 00:51:22,050 INFO L87 Difference]: Start difference. First operand 375 states and 585 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-24 00:51:22,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:51:22,142 INFO L93 Difference]: Finished difference Result 802 states and 1269 transitions. [2024-10-24 00:51:22,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 00:51:22,145 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 103 [2024-10-24 00:51:22,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:51:22,152 INFO L225 Difference]: With dead ends: 802 [2024-10-24 00:51:22,152 INFO L226 Difference]: Without dead ends: 449 [2024-10-24 00:51:22,154 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-24 00:51:22,159 INFO L432 NwaCegarLoop]: 575 mSDtfsCounter, 136 mSDsluCounter, 521 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 1096 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 00:51:22,159 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 1096 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 00:51:22,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2024-10-24 00:51:22,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 444. [2024-10-24 00:51:22,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 444 states, 346 states have (on average 1.6184971098265897) internal successors, (560), 348 states have internal predecessors, (560), 74 states have call successors, (74), 23 states have call predecessors, (74), 23 states have return successors, (73), 72 states have call predecessors, (73), 73 states have call successors, (73) [2024-10-24 00:51:22,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 707 transitions. [2024-10-24 00:51:22,201 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 707 transitions. Word has length 103 [2024-10-24 00:51:22,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:51:22,201 INFO L471 AbstractCegarLoop]: Abstraction has 444 states and 707 transitions. [2024-10-24 00:51:22,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-24 00:51:22,201 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 707 transitions. [2024-10-24 00:51:22,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-24 00:51:22,208 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:51:22,208 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-10-24 00:51:22,224 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-24 00:51:22,408 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 [2024-10-24 00:51:22,410 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:51:22,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:51:22,411 INFO L85 PathProgramCache]: Analyzing trace with hash -385457840, now seen corresponding path program 1 times [2024-10-24 00:51:22,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:51:22,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671117693] [2024-10-24 00:51:22,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:51:22,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:51:22,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:22,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:51:22,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:22,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:51:22,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:22,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:51:22,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:22,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 00:51:22,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:22,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 00:51:22,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:22,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 00:51:22,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:22,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 00:51:22,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:22,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 00:51:22,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:22,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-24 00:51:22,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:22,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 00:51:22,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:22,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 00:51:22,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:22,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 00:51:22,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:22,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 00:51:22,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:22,754 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-24 00:51:22,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:51:22,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671117693] [2024-10-24 00:51:22,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671117693] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 00:51:22,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1070506466] [2024-10-24 00:51:22,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:51:22,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 00:51:22,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 00:51:22,759 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) [2024-10-24 00:51:22,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-24 00:51:22,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:22,988 INFO L255 TraceCheckSpWp]: Trace formula consists of 1009 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-24 00:51:22,991 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 00:51:23,038 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-24 00:51:23,038 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 00:51:23,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1070506466] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:51:23,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 00:51:23,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-10-24 00:51:23,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963460588] [2024-10-24 00:51:23,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:51:23,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 00:51:23,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:51:23,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 00:51:23,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-24 00:51:23,040 INFO L87 Difference]: Start difference. First operand 444 states and 707 transitions. Second operand has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2024-10-24 00:51:23,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:51:23,122 INFO L93 Difference]: Finished difference Result 883 states and 1408 transitions. [2024-10-24 00:51:23,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 00:51:23,122 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) Word has length 104 [2024-10-24 00:51:23,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:51:23,125 INFO L225 Difference]: With dead ends: 883 [2024-10-24 00:51:23,125 INFO L226 Difference]: Without dead ends: 446 [2024-10-24 00:51:23,126 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-24 00:51:23,127 INFO L432 NwaCegarLoop]: 557 mSDtfsCounter, 2 mSDsluCounter, 1660 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2217 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 00:51:23,127 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2217 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 00:51:23,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2024-10-24 00:51:23,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 446. [2024-10-24 00:51:23,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 446 states, 347 states have (on average 1.61671469740634) internal successors, (561), 350 states have internal predecessors, (561), 74 states have call successors, (74), 23 states have call predecessors, (74), 24 states have return successors, (75), 72 states have call predecessors, (75), 73 states have call successors, (75) [2024-10-24 00:51:23,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 710 transitions. [2024-10-24 00:51:23,145 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 710 transitions. Word has length 104 [2024-10-24 00:51:23,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:51:23,146 INFO L471 AbstractCegarLoop]: Abstraction has 446 states and 710 transitions. [2024-10-24 00:51:23,146 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2024-10-24 00:51:23,146 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 710 transitions. [2024-10-24 00:51:23,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-10-24 00:51:23,148 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:51:23,148 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2024-10-24 00:51:23,177 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-24 00:51:23,355 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 [2024-10-24 00:51:23,356 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:51:23,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:51:23,356 INFO L85 PathProgramCache]: Analyzing trace with hash 565022539, now seen corresponding path program 1 times [2024-10-24 00:51:23,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:51:23,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535664665] [2024-10-24 00:51:23,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:51:23,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:51:23,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:23,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:51:23,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:23,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:51:23,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:23,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:51:23,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:23,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:51:23,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:23,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 00:51:23,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:23,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 00:51:23,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:23,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-24 00:51:23,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:23,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 00:51:23,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:23,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 00:51:23,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:23,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 00:51:23,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:23,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 00:51:23,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:23,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 00:51:23,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:23,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 00:51:23,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:23,540 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-24 00:51:23,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:51:23,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535664665] [2024-10-24 00:51:23,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535664665] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 00:51:23,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [138660244] [2024-10-24 00:51:23,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:51:23,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 00:51:23,541 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 00:51:23,543 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) [2024-10-24 00:51:23,544 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-24 00:51:23,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:23,785 INFO L255 TraceCheckSpWp]: Trace formula consists of 1010 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-24 00:51:23,788 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 00:51:23,832 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-24 00:51:23,832 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 00:51:23,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [138660244] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:51:23,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 00:51:23,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-10-24 00:51:23,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372381138] [2024-10-24 00:51:23,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:51:23,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 00:51:23,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:51:23,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 00:51:23,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-10-24 00:51:23,834 INFO L87 Difference]: Start difference. First operand 446 states and 710 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-10-24 00:51:23,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:51:23,928 INFO L93 Difference]: Finished difference Result 885 states and 1413 transitions. [2024-10-24 00:51:23,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 00:51:23,928 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 105 [2024-10-24 00:51:23,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:51:23,932 INFO L225 Difference]: With dead ends: 885 [2024-10-24 00:51:23,932 INFO L226 Difference]: Without dead ends: 448 [2024-10-24 00:51:23,934 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-10-24 00:51:23,935 INFO L432 NwaCegarLoop]: 555 mSDtfsCounter, 2 mSDsluCounter, 1648 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2203 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 00:51:23,936 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2203 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 00:51:23,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2024-10-24 00:51:23,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 448. [2024-10-24 00:51:23,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 348 states have (on average 1.6149425287356323) internal successors, (562), 352 states have internal predecessors, (562), 74 states have call successors, (74), 23 states have call predecessors, (74), 25 states have return successors, (80), 72 states have call predecessors, (80), 73 states have call successors, (80) [2024-10-24 00:51:23,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 716 transitions. [2024-10-24 00:51:23,961 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 716 transitions. Word has length 105 [2024-10-24 00:51:23,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:51:23,961 INFO L471 AbstractCegarLoop]: Abstraction has 448 states and 716 transitions. [2024-10-24 00:51:23,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-10-24 00:51:23,963 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 716 transitions. [2024-10-24 00:51:23,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-10-24 00:51:23,965 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:51:23,965 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-10-24 00:51:23,985 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-24 00:51:24,169 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 [2024-10-24 00:51:24,170 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:51:24,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:51:24,171 INFO L85 PathProgramCache]: Analyzing trace with hash 485132098, now seen corresponding path program 1 times [2024-10-24 00:51:24,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:51:24,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030831644] [2024-10-24 00:51:24,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:51:24,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:51:24,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:24,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:51:24,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:24,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:51:24,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:24,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:51:24,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:24,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:51:24,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:24,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:51:24,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:24,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-24 00:51:24,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:24,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 00:51:24,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:24,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-24 00:51:24,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:24,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 00:51:24,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:24,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 00:51:24,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:24,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 00:51:24,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:24,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 00:51:24,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:24,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 00:51:24,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:24,397 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-24 00:51:24,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:51:24,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030831644] [2024-10-24 00:51:24,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030831644] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:51:24,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:51:24,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 00:51:24,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264009797] [2024-10-24 00:51:24,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:51:24,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 00:51:24,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:51:24,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 00:51:24,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-24 00:51:24,402 INFO L87 Difference]: Start difference. First operand 448 states and 716 transitions. Second operand has 9 states, 8 states have (on average 7.875) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2024-10-24 00:51:26,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:51:26,717 INFO L93 Difference]: Finished difference Result 1058 states and 1728 transitions. [2024-10-24 00:51:26,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 00:51:26,718 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.875) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) Word has length 106 [2024-10-24 00:51:26,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:51:26,724 INFO L225 Difference]: With dead ends: 1058 [2024-10-24 00:51:26,724 INFO L226 Difference]: Without dead ends: 629 [2024-10-24 00:51:26,725 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-10-24 00:51:26,726 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 1301 mSDsluCounter, 1047 mSDsCounter, 0 mSdLazyCounter, 3056 mSolverCounterSat, 437 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1302 SdHoareTripleChecker+Valid, 1245 SdHoareTripleChecker+Invalid, 3493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 437 IncrementalHoareTripleChecker+Valid, 3056 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-10-24 00:51:26,727 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1302 Valid, 1245 Invalid, 3493 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [437 Valid, 3056 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-10-24 00:51:26,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2024-10-24 00:51:26,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 448. [2024-10-24 00:51:26,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 348 states have (on average 1.6149425287356323) internal successors, (562), 352 states have internal predecessors, (562), 74 states have call successors, (74), 23 states have call predecessors, (74), 25 states have return successors, (79), 72 states have call predecessors, (79), 73 states have call successors, (79) [2024-10-24 00:51:26,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 715 transitions. [2024-10-24 00:51:26,767 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 715 transitions. Word has length 106 [2024-10-24 00:51:26,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:51:26,768 INFO L471 AbstractCegarLoop]: Abstraction has 448 states and 715 transitions. [2024-10-24 00:51:26,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.875) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2024-10-24 00:51:26,768 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 715 transitions. [2024-10-24 00:51:26,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-10-24 00:51:26,771 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:51:26,771 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-10-24 00:51:26,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 00:51:26,771 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:51:26,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:51:26,772 INFO L85 PathProgramCache]: Analyzing trace with hash -767799265, now seen corresponding path program 2 times [2024-10-24 00:51:26,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:51:26,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946166894] [2024-10-24 00:51:26,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:51:26,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:51:26,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:26,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:51:26,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:26,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:51:26,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:26,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:51:26,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:26,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:51:26,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:26,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:51:26,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:26,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 00:51:26,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:26,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-24 00:51:26,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:26,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 00:51:26,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:26,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 00:51:26,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:26,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 00:51:26,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:26,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 00:51:26,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:26,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 00:51:26,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:26,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-24 00:51:26,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:26,925 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-24 00:51:26,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:51:26,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946166894] [2024-10-24 00:51:26,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946166894] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:51:26,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:51:26,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 00:51:26,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366079898] [2024-10-24 00:51:26,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:51:26,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 00:51:26,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:51:26,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 00:51:26,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-24 00:51:26,927 INFO L87 Difference]: Start difference. First operand 448 states and 715 transitions. Second operand has 9 states, 8 states have (on average 8.0) internal successors, (64), 5 states have internal predecessors, (64), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2024-10-24 00:51:29,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:51:29,270 INFO L93 Difference]: Finished difference Result 1060 states and 1731 transitions. [2024-10-24 00:51:29,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 00:51:29,271 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.0) internal successors, (64), 5 states have internal predecessors, (64), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) Word has length 107 [2024-10-24 00:51:29,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:51:29,275 INFO L225 Difference]: With dead ends: 1060 [2024-10-24 00:51:29,275 INFO L226 Difference]: Without dead ends: 631 [2024-10-24 00:51:29,276 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-10-24 00:51:29,277 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 1297 mSDsluCounter, 1047 mSDsCounter, 0 mSdLazyCounter, 3091 mSolverCounterSat, 432 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1298 SdHoareTripleChecker+Valid, 1247 SdHoareTripleChecker+Invalid, 3523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 432 IncrementalHoareTripleChecker+Valid, 3091 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-10-24 00:51:29,278 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1298 Valid, 1247 Invalid, 3523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [432 Valid, 3091 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-10-24 00:51:29,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2024-10-24 00:51:29,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 450. [2024-10-24 00:51:29,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 349 states have (on average 1.6131805157593124) internal successors, (563), 354 states have internal predecessors, (563), 74 states have call successors, (74), 23 states have call predecessors, (74), 26 states have return successors, (81), 72 states have call predecessors, (81), 73 states have call successors, (81) [2024-10-24 00:51:29,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 718 transitions. [2024-10-24 00:51:29,318 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 718 transitions. Word has length 107 [2024-10-24 00:51:29,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:51:29,318 INFO L471 AbstractCegarLoop]: Abstraction has 450 states and 718 transitions. [2024-10-24 00:51:29,319 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.0) internal successors, (64), 5 states have internal predecessors, (64), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 3 states have call successors, (13) [2024-10-24 00:51:29,319 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 718 transitions. [2024-10-24 00:51:29,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-10-24 00:51:29,321 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:51:29,321 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-10-24 00:51:29,321 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 00:51:29,322 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:51:29,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:51:29,323 INFO L85 PathProgramCache]: Analyzing trace with hash 295142845, now seen corresponding path program 1 times [2024-10-24 00:51:29,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:51:29,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270373757] [2024-10-24 00:51:29,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:51:29,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:51:29,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:29,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:51:29,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:29,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:51:29,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:29,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:51:29,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:29,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:51:29,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:29,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:51:29,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:29,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:51:29,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:29,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 00:51:29,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:29,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-24 00:51:29,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:29,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 00:51:29,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:29,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-24 00:51:29,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:29,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 00:51:29,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:29,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-24 00:51:29,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:29,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 00:51:29,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:29,572 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-24 00:51:29,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:51:29,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270373757] [2024-10-24 00:51:29,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270373757] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:51:29,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:51:29,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-24 00:51:29,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941239924] [2024-10-24 00:51:29,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:51:29,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-24 00:51:29,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:51:29,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-24 00:51:29,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-10-24 00:51:29,575 INFO L87 Difference]: Start difference. First operand 450 states and 718 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 8 states have internal predecessors, (68), 4 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) [2024-10-24 00:51:32,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:51:32,386 INFO L93 Difference]: Finished difference Result 1058 states and 1726 transitions. [2024-10-24 00:51:32,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-24 00:51:32,387 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 8 states have internal predecessors, (68), 4 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) Word has length 108 [2024-10-24 00:51:32,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:51:32,392 INFO L225 Difference]: With dead ends: 1058 [2024-10-24 00:51:32,393 INFO L226 Difference]: Without dead ends: 631 [2024-10-24 00:51:32,395 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-10-24 00:51:32,397 INFO L432 NwaCegarLoop]: 197 mSDtfsCounter, 1302 mSDsluCounter, 1532 mSDsCounter, 0 mSdLazyCounter, 5064 mSolverCounterSat, 440 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1303 SdHoareTripleChecker+Valid, 1729 SdHoareTripleChecker+Invalid, 5504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 440 IncrementalHoareTripleChecker+Valid, 5064 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-10-24 00:51:32,397 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1303 Valid, 1729 Invalid, 5504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [440 Valid, 5064 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-10-24 00:51:32,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2024-10-24 00:51:32,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 450. [2024-10-24 00:51:32,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 349 states have (on average 1.6131805157593124) internal successors, (563), 354 states have internal predecessors, (563), 74 states have call successors, (74), 23 states have call predecessors, (74), 26 states have return successors, (80), 72 states have call predecessors, (80), 73 states have call successors, (80) [2024-10-24 00:51:32,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 717 transitions. [2024-10-24 00:51:32,434 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 717 transitions. Word has length 108 [2024-10-24 00:51:32,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:51:32,435 INFO L471 AbstractCegarLoop]: Abstraction has 450 states and 717 transitions. [2024-10-24 00:51:32,436 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 8 states have internal predecessors, (68), 4 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) [2024-10-24 00:51:32,438 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 717 transitions. [2024-10-24 00:51:32,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-10-24 00:51:32,440 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:51:32,440 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-10-24 00:51:32,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 00:51:32,440 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:51:32,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:51:32,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1015893594, now seen corresponding path program 2 times [2024-10-24 00:51:32,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:51:32,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639831027] [2024-10-24 00:51:32,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:51:32,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:51:32,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:32,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:51:32,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:32,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:51:32,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:32,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:51:32,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:32,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:51:32,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:32,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:51:32,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:32,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:51:32,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:32,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-24 00:51:32,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:32,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 00:51:32,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:32,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-24 00:51:32,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:32,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 00:51:32,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:32,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-24 00:51:32,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:32,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-24 00:51:32,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:32,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 00:51:32,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:32,751 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-24 00:51:32,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:51:32,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639831027] [2024-10-24 00:51:32,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639831027] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:51:32,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:51:32,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-24 00:51:32,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728369288] [2024-10-24 00:51:32,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:51:32,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-24 00:51:32,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:51:32,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-24 00:51:32,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-10-24 00:51:32,753 INFO L87 Difference]: Start difference. First operand 450 states and 717 transitions. Second operand has 12 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 8 states have internal predecessors, (69), 4 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) [2024-10-24 00:51:35,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:51:35,639 INFO L93 Difference]: Finished difference Result 1060 states and 1732 transitions. [2024-10-24 00:51:35,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-24 00:51:35,640 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 8 states have internal predecessors, (69), 4 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) Word has length 109 [2024-10-24 00:51:35,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:51:35,644 INFO L225 Difference]: With dead ends: 1060 [2024-10-24 00:51:35,644 INFO L226 Difference]: Without dead ends: 633 [2024-10-24 00:51:35,646 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-10-24 00:51:35,647 INFO L432 NwaCegarLoop]: 197 mSDtfsCounter, 1297 mSDsluCounter, 1532 mSDsCounter, 0 mSdLazyCounter, 5085 mSolverCounterSat, 437 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1298 SdHoareTripleChecker+Valid, 1729 SdHoareTripleChecker+Invalid, 5522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 437 IncrementalHoareTripleChecker+Valid, 5085 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-10-24 00:51:35,647 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1298 Valid, 1729 Invalid, 5522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [437 Valid, 5085 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-10-24 00:51:35,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2024-10-24 00:51:35,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 452. [2024-10-24 00:51:35,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 350 states have (on average 1.6114285714285714) internal successors, (564), 356 states have internal predecessors, (564), 74 states have call successors, (74), 23 states have call predecessors, (74), 27 states have return successors, (85), 72 states have call predecessors, (85), 73 states have call successors, (85) [2024-10-24 00:51:35,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 723 transitions. [2024-10-24 00:51:35,679 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 723 transitions. Word has length 109 [2024-10-24 00:51:35,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:51:35,679 INFO L471 AbstractCegarLoop]: Abstraction has 452 states and 723 transitions. [2024-10-24 00:51:35,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 8 states have internal predecessors, (69), 4 states have call successors, (16), 6 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 4 states have call successors, (13) [2024-10-24 00:51:35,680 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 723 transitions. [2024-10-24 00:51:35,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-10-24 00:51:35,682 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:51:35,682 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-10-24 00:51:35,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 00:51:35,682 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:51:35,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:51:35,683 INFO L85 PathProgramCache]: Analyzing trace with hash -1934459784, now seen corresponding path program 1 times [2024-10-24 00:51:35,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:51:35,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055186208] [2024-10-24 00:51:35,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:51:35,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:51:35,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:35,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:51:35,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:35,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:51:35,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:35,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:51:35,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:35,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:51:35,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:35,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:51:35,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:35,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:51:35,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:35,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 00:51:35,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:35,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 00:51:35,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:35,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 00:51:35,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:35,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 00:51:35,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:35,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 00:51:35,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:35,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 00:51:35,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:35,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 00:51:35,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:35,924 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-10-24 00:51:35,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:51:35,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055186208] [2024-10-24 00:51:35,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055186208] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 00:51:35,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [45842272] [2024-10-24 00:51:35,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:51:35,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 00:51:35,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 00:51:35,929 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) [2024-10-24 00:51:35,930 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-24 00:51:36,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:36,151 INFO L255 TraceCheckSpWp]: Trace formula consists of 1015 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 00:51:36,154 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 00:51:36,187 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-24 00:51:36,188 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 00:51:36,265 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-24 00:51:36,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [45842272] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 00:51:36,265 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 00:51:36,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 15 [2024-10-24 00:51:36,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228898048] [2024-10-24 00:51:36,265 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 00:51:36,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-24 00:51:36,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:51:36,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-24 00:51:36,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-10-24 00:51:36,269 INFO L87 Difference]: Start difference. First operand 452 states and 723 transitions. Second operand has 15 states, 14 states have (on average 8.142857142857142) internal successors, (114), 11 states have internal predecessors, (114), 4 states have call successors, (32), 6 states have call predecessors, (32), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2024-10-24 00:51:39,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:51:39,277 INFO L93 Difference]: Finished difference Result 1499 states and 2543 transitions. [2024-10-24 00:51:39,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-24 00:51:39,277 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 8.142857142857142) internal successors, (114), 11 states have internal predecessors, (114), 4 states have call successors, (32), 6 states have call predecessors, (32), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) Word has length 110 [2024-10-24 00:51:39,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:51:39,284 INFO L225 Difference]: With dead ends: 1499 [2024-10-24 00:51:39,284 INFO L226 Difference]: Without dead ends: 1073 [2024-10-24 00:51:39,286 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=164, Invalid=828, Unknown=0, NotChecked=0, Total=992 [2024-10-24 00:51:39,286 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 2624 mSDsluCounter, 1807 mSDsCounter, 0 mSdLazyCounter, 5628 mSolverCounterSat, 832 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2644 SdHoareTripleChecker+Valid, 2000 SdHoareTripleChecker+Invalid, 6460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 832 IncrementalHoareTripleChecker+Valid, 5628 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-10-24 00:51:39,286 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2644 Valid, 2000 Invalid, 6460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [832 Valid, 5628 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-10-24 00:51:39,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1073 states. [2024-10-24 00:51:39,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1073 to 877. [2024-10-24 00:51:39,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 877 states, 696 states have (on average 1.6551724137931034) internal successors, (1152), 702 states have internal predecessors, (1152), 153 states have call successors, (153), 23 states have call predecessors, (153), 27 states have return successors, (174), 151 states have call predecessors, (174), 152 states have call successors, (174) [2024-10-24 00:51:39,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 877 states and 1479 transitions. [2024-10-24 00:51:39,319 INFO L78 Accepts]: Start accepts. Automaton has 877 states and 1479 transitions. Word has length 110 [2024-10-24 00:51:39,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:51:39,320 INFO L471 AbstractCegarLoop]: Abstraction has 877 states and 1479 transitions. [2024-10-24 00:51:39,320 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 8.142857142857142) internal successors, (114), 11 states have internal predecessors, (114), 4 states have call successors, (32), 6 states have call predecessors, (32), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2024-10-24 00:51:39,320 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1479 transitions. [2024-10-24 00:51:39,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-10-24 00:51:39,322 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:51:39,323 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-10-24 00:51:39,340 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-24 00:51:39,523 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 [2024-10-24 00:51:39,524 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:51:39,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:51:39,524 INFO L85 PathProgramCache]: Analyzing trace with hash -171403862, now seen corresponding path program 1 times [2024-10-24 00:51:39,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:51:39,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191119796] [2024-10-24 00:51:39,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:51:39,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:51:39,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:39,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:51:39,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:39,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:51:39,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:39,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:51:39,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:39,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:51:39,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:39,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:51:39,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:39,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:51:39,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:39,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 00:51:39,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:39,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 00:51:39,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:39,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 00:51:39,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:39,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-24 00:51:39,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:39,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-24 00:51:39,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:39,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-24 00:51:39,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:39,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 00:51:39,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:39,594 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-24 00:51:39,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:51:39,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191119796] [2024-10-24 00:51:39,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191119796] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:51:39,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:51:39,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 00:51:39,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11302362] [2024-10-24 00:51:39,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:51:39,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 00:51:39,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:51:39,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 00:51:39,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 00:51:39,596 INFO L87 Difference]: Start difference. First operand 877 states and 1479 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-24 00:51:41,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:51:41,265 INFO L93 Difference]: Finished difference Result 2274 states and 3932 transitions. [2024-10-24 00:51:41,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 00:51:41,266 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 114 [2024-10-24 00:51:41,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:51:41,274 INFO L225 Difference]: With dead ends: 2274 [2024-10-24 00:51:41,274 INFO L226 Difference]: Without dead ends: 1465 [2024-10-24 00:51:41,276 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-24 00:51:41,276 INFO L432 NwaCegarLoop]: 210 mSDtfsCounter, 1428 mSDsluCounter, 728 mSDsCounter, 0 mSdLazyCounter, 1760 mSolverCounterSat, 511 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1446 SdHoareTripleChecker+Valid, 938 SdHoareTripleChecker+Invalid, 2271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 511 IncrementalHoareTripleChecker+Valid, 1760 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-10-24 00:51:41,277 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1446 Valid, 938 Invalid, 2271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [511 Valid, 1760 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-24 00:51:41,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1465 states. [2024-10-24 00:51:41,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1465 to 1279. [2024-10-24 00:51:41,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1279 states, 1019 states have (on average 1.6673209028459275) internal successors, (1699), 1025 states have internal predecessors, (1699), 232 states have call successors, (232), 23 states have call predecessors, (232), 27 states have return successors, (263), 230 states have call predecessors, (263), 231 states have call successors, (263) [2024-10-24 00:51:41,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 1279 states and 2194 transitions. [2024-10-24 00:51:41,319 INFO L78 Accepts]: Start accepts. Automaton has 1279 states and 2194 transitions. Word has length 114 [2024-10-24 00:51:41,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:51:41,319 INFO L471 AbstractCegarLoop]: Abstraction has 1279 states and 2194 transitions. [2024-10-24 00:51:41,320 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-24 00:51:41,320 INFO L276 IsEmpty]: Start isEmpty. Operand 1279 states and 2194 transitions. [2024-10-24 00:51:41,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-10-24 00:51:41,324 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:51:41,324 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-10-24 00:51:41,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-24 00:51:41,324 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:51:41,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:51:41,324 INFO L85 PathProgramCache]: Analyzing trace with hash 358756712, now seen corresponding path program 1 times [2024-10-24 00:51:41,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:51:41,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490424711] [2024-10-24 00:51:41,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:51:41,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:51:41,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:41,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:51:41,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:41,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:51:41,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:41,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:51:41,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:41,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:51:41,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:41,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:51:41,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:41,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:51:41,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:41,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 00:51:41,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:41,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 00:51:41,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:41,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 00:51:41,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:41,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 00:51:41,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:41,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-24 00:51:41,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:41,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 00:51:41,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:41,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 00:51:41,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:41,401 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-24 00:51:41,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:51:41,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490424711] [2024-10-24 00:51:41,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490424711] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:51:41,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:51:41,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 00:51:41,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877815770] [2024-10-24 00:51:41,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:51:41,401 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 00:51:41,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:51:41,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 00:51:41,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 00:51:41,402 INFO L87 Difference]: Start difference. First operand 1279 states and 2194 transitions. Second operand has 7 states, 7 states have (on average 10.0) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-24 00:51:42,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:51:42,980 INFO L93 Difference]: Finished difference Result 3277 states and 5709 transitions. [2024-10-24 00:51:42,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 00:51:42,981 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 115 [2024-10-24 00:51:42,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:51:42,989 INFO L225 Difference]: With dead ends: 3277 [2024-10-24 00:51:42,989 INFO L226 Difference]: Without dead ends: 2116 [2024-10-24 00:51:42,992 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-24 00:51:42,993 INFO L432 NwaCegarLoop]: 205 mSDtfsCounter, 1424 mSDsluCounter, 712 mSDsCounter, 0 mSdLazyCounter, 1805 mSolverCounterSat, 500 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1442 SdHoareTripleChecker+Valid, 917 SdHoareTripleChecker+Invalid, 2305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 500 IncrementalHoareTripleChecker+Valid, 1805 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-24 00:51:42,993 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1442 Valid, 917 Invalid, 2305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [500 Valid, 1805 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-24 00:51:42,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2116 states. [2024-10-24 00:51:43,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2116 to 1930. [2024-10-24 00:51:43,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1930 states, 1551 states have (on average 1.6731141199226305) internal successors, (2595), 1557 states have internal predecessors, (2595), 351 states have call successors, (351), 23 states have call predecessors, (351), 27 states have return successors, (382), 349 states have call predecessors, (382), 350 states have call successors, (382) [2024-10-24 00:51:43,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1930 states to 1930 states and 3328 transitions. [2024-10-24 00:51:43,079 INFO L78 Accepts]: Start accepts. Automaton has 1930 states and 3328 transitions. Word has length 115 [2024-10-24 00:51:43,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:51:43,079 INFO L471 AbstractCegarLoop]: Abstraction has 1930 states and 3328 transitions. [2024-10-24 00:51:43,079 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-24 00:51:43,079 INFO L276 IsEmpty]: Start isEmpty. Operand 1930 states and 3328 transitions. [2024-10-24 00:51:43,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-10-24 00:51:43,088 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:51:43,088 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-10-24 00:51:43,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-24 00:51:43,088 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:51:43,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:51:43,089 INFO L85 PathProgramCache]: Analyzing trace with hash -265033892, now seen corresponding path program 1 times [2024-10-24 00:51:43,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:51:43,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016681758] [2024-10-24 00:51:43,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:51:43,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:51:43,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:43,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:51:43,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:43,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:51:43,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:43,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:51:43,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:43,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:51:43,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:43,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:51:43,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:43,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:51:43,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:43,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 00:51:43,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:43,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 00:51:43,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:43,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-24 00:51:43,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:43,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 00:51:43,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:43,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 00:51:43,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:43,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 00:51:43,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:43,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 00:51:43,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:43,190 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-24 00:51:43,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:51:43,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016681758] [2024-10-24 00:51:43,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016681758] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:51:43,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:51:43,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 00:51:43,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591928089] [2024-10-24 00:51:43,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:51:43,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 00:51:43,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:51:43,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 00:51:43,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 00:51:43,193 INFO L87 Difference]: Start difference. First operand 1930 states and 3328 transitions. Second operand has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-24 00:51:44,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:51:44,707 INFO L93 Difference]: Finished difference Result 4801 states and 8427 transitions. [2024-10-24 00:51:44,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 00:51:44,711 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 116 [2024-10-24 00:51:44,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:51:44,736 INFO L225 Difference]: With dead ends: 4801 [2024-10-24 00:51:44,737 INFO L226 Difference]: Without dead ends: 3117 [2024-10-24 00:51:44,741 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-24 00:51:44,742 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 1424 mSDsluCounter, 710 mSDsCounter, 0 mSdLazyCounter, 1756 mSolverCounterSat, 497 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1443 SdHoareTripleChecker+Valid, 908 SdHoareTripleChecker+Invalid, 2253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 497 IncrementalHoareTripleChecker+Valid, 1756 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-24 00:51:44,742 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1443 Valid, 908 Invalid, 2253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [497 Valid, 1756 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-24 00:51:44,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3117 states. [2024-10-24 00:51:44,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3117 to 2931. [2024-10-24 00:51:44,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2931 states, 2390 states have (on average 1.6782426778242678) internal successors, (4011), 2396 states have internal predecessors, (4011), 513 states have call successors, (513), 23 states have call predecessors, (513), 27 states have return successors, (560), 511 states have call predecessors, (560), 512 states have call successors, (560) [2024-10-24 00:51:44,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2931 states to 2931 states and 5084 transitions. [2024-10-24 00:51:44,894 INFO L78 Accepts]: Start accepts. Automaton has 2931 states and 5084 transitions. Word has length 116 [2024-10-24 00:51:44,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:51:44,894 INFO L471 AbstractCegarLoop]: Abstraction has 2931 states and 5084 transitions. [2024-10-24 00:51:44,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-24 00:51:44,894 INFO L276 IsEmpty]: Start isEmpty. Operand 2931 states and 5084 transitions. [2024-10-24 00:51:44,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-10-24 00:51:44,903 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:51:44,903 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-10-24 00:51:44,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-24 00:51:44,904 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:51:44,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:51:44,904 INFO L85 PathProgramCache]: Analyzing trace with hash -1531116121, now seen corresponding path program 1 times [2024-10-24 00:51:44,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:51:44,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478762609] [2024-10-24 00:51:44,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:51:44,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:51:44,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:44,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:51:44,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:44,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:51:44,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:44,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:51:44,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:44,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:51:44,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:44,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:51:44,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:44,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:51:44,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:44,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-24 00:51:44,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:44,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-24 00:51:44,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:44,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 00:51:44,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:44,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 00:51:44,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:44,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 00:51:44,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:44,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 00:51:44,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:44,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 00:51:44,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:44,979 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-24 00:51:44,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:51:44,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478762609] [2024-10-24 00:51:44,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478762609] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:51:44,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:51:44,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 00:51:44,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356131316] [2024-10-24 00:51:44,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:51:44,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 00:51:44,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:51:44,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 00:51:44,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 00:51:44,980 INFO L87 Difference]: Start difference. First operand 2931 states and 5084 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-24 00:51:46,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:51:46,705 INFO L93 Difference]: Finished difference Result 7213 states and 12740 transitions. [2024-10-24 00:51:46,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 00:51:46,706 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 117 [2024-10-24 00:51:46,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:51:46,733 INFO L225 Difference]: With dead ends: 7213 [2024-10-24 00:51:46,733 INFO L226 Difference]: Without dead ends: 4737 [2024-10-24 00:51:46,741 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-24 00:51:46,742 INFO L432 NwaCegarLoop]: 197 mSDtfsCounter, 1423 mSDsluCounter, 710 mSDsCounter, 0 mSdLazyCounter, 1732 mSolverCounterSat, 508 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1442 SdHoareTripleChecker+Valid, 907 SdHoareTripleChecker+Invalid, 2240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 508 IncrementalHoareTripleChecker+Valid, 1732 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-10-24 00:51:46,742 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1442 Valid, 907 Invalid, 2240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [508 Valid, 1732 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-24 00:51:46,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4737 states. [2024-10-24 00:51:46,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4737 to 4551. [2024-10-24 00:51:46,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4551 states, 3765 states have (on average 1.6820717131474103) internal successors, (6333), 3771 states have internal predecessors, (6333), 758 states have call successors, (758), 23 states have call predecessors, (758), 27 states have return successors, (831), 756 states have call predecessors, (831), 757 states have call successors, (831) [2024-10-24 00:51:46,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4551 states to 4551 states and 7922 transitions. [2024-10-24 00:51:46,879 INFO L78 Accepts]: Start accepts. Automaton has 4551 states and 7922 transitions. Word has length 117 [2024-10-24 00:51:46,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:51:46,879 INFO L471 AbstractCegarLoop]: Abstraction has 4551 states and 7922 transitions. [2024-10-24 00:51:46,880 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-24 00:51:46,880 INFO L276 IsEmpty]: Start isEmpty. Operand 4551 states and 7922 transitions. [2024-10-24 00:51:46,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-10-24 00:51:46,888 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:51:46,888 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-10-24 00:51:46,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-24 00:51:46,888 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:51:46,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:51:46,889 INFO L85 PathProgramCache]: Analyzing trace with hash 1539886880, now seen corresponding path program 1 times [2024-10-24 00:51:46,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:51:46,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944259138] [2024-10-24 00:51:46,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:51:46,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:51:46,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:46,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:51:46,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:46,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:51:46,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:46,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:51:46,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:46,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:51:46,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:46,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:51:46,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:46,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:51:46,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:46,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 00:51:46,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:46,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 00:51:46,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:46,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 00:51:46,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:46,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 00:51:46,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:46,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 00:51:46,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:46,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 00:51:46,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:46,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-24 00:51:46,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:46,961 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-24 00:51:46,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:51:46,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944259138] [2024-10-24 00:51:46,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944259138] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:51:46,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:51:46,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 00:51:46,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826511871] [2024-10-24 00:51:46,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:51:46,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 00:51:46,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:51:46,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 00:51:46,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 00:51:46,962 INFO L87 Difference]: Start difference. First operand 4551 states and 7922 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-24 00:51:48,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:51:48,621 INFO L93 Difference]: Finished difference Result 11290 states and 19993 transitions. [2024-10-24 00:51:48,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 00:51:48,622 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 118 [2024-10-24 00:51:48,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:51:48,650 INFO L225 Difference]: With dead ends: 11290 [2024-10-24 00:51:48,651 INFO L226 Difference]: Without dead ends: 7497 [2024-10-24 00:51:48,660 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-24 00:51:48,661 INFO L432 NwaCegarLoop]: 209 mSDtfsCounter, 1420 mSDsluCounter, 720 mSDsCounter, 0 mSdLazyCounter, 1793 mSolverCounterSat, 502 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1439 SdHoareTripleChecker+Valid, 929 SdHoareTripleChecker+Invalid, 2295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 502 IncrementalHoareTripleChecker+Valid, 1793 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-24 00:51:48,661 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1439 Valid, 929 Invalid, 2295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [502 Valid, 1793 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-24 00:51:48,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7497 states. [2024-10-24 00:51:48,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7497 to 7311. [2024-10-24 00:51:48,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7311 states, 6032 states have (on average 1.675895225464191) internal successors, (10109), 6038 states have internal predecessors, (10109), 1251 states have call successors, (1251), 23 states have call predecessors, (1251), 27 states have return successors, (1368), 1249 states have call predecessors, (1368), 1250 states have call successors, (1368) [2024-10-24 00:51:48,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7311 states to 7311 states and 12728 transitions. [2024-10-24 00:51:48,929 INFO L78 Accepts]: Start accepts. Automaton has 7311 states and 12728 transitions. Word has length 118 [2024-10-24 00:51:48,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:51:48,930 INFO L471 AbstractCegarLoop]: Abstraction has 7311 states and 12728 transitions. [2024-10-24 00:51:48,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-24 00:51:48,930 INFO L276 IsEmpty]: Start isEmpty. Operand 7311 states and 12728 transitions. [2024-10-24 00:51:48,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-10-24 00:51:48,943 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:51:48,943 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-10-24 00:51:48,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-24 00:51:48,944 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:51:48,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:51:48,944 INFO L85 PathProgramCache]: Analyzing trace with hash 1538636259, now seen corresponding path program 1 times [2024-10-24 00:51:48,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:51:48,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498556877] [2024-10-24 00:51:48,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:51:48,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:51:48,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:48,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:51:48,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:48,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:51:48,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:48,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:51:48,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:48,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:51:48,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:48,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:51:48,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:49,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:51:49,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:49,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 00:51:49,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:49,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 00:51:49,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:49,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 00:51:49,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:49,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 00:51:49,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:49,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 00:51:49,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:49,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 00:51:49,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:49,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 00:51:49,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:49,030 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-24 00:51:49,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:51:49,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498556877] [2024-10-24 00:51:49,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498556877] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:51:49,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:51:49,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 00:51:49,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301549007] [2024-10-24 00:51:49,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:51:49,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 00:51:49,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:51:49,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 00:51:49,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 00:51:49,033 INFO L87 Difference]: Start difference. First operand 7311 states and 12728 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-24 00:51:50,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:51:50,681 INFO L93 Difference]: Finished difference Result 18649 states and 33013 transitions. [2024-10-24 00:51:50,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 00:51:50,682 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 119 [2024-10-24 00:51:50,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:51:50,726 INFO L225 Difference]: With dead ends: 18649 [2024-10-24 00:51:50,727 INFO L226 Difference]: Without dead ends: 12482 [2024-10-24 00:51:50,743 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-24 00:51:50,744 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 1418 mSDsluCounter, 715 mSDsCounter, 0 mSdLazyCounter, 1742 mSolverCounterSat, 512 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1437 SdHoareTripleChecker+Valid, 914 SdHoareTripleChecker+Invalid, 2254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 512 IncrementalHoareTripleChecker+Valid, 1742 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-24 00:51:50,744 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1437 Valid, 914 Invalid, 2254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [512 Valid, 1742 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-24 00:51:50,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12482 states. [2024-10-24 00:51:51,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12482 to 12296. [2024-10-24 00:51:51,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12296 states, 10195 states have (on average 1.6756253065228053) internal successors, (17083), 10201 states have internal predecessors, (17083), 2073 states have call successors, (2073), 23 states have call predecessors, (2073), 27 states have return successors, (2268), 2071 states have call predecessors, (2268), 2072 states have call successors, (2268) [2024-10-24 00:51:51,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12296 states to 12296 states and 21424 transitions. [2024-10-24 00:51:51,261 INFO L78 Accepts]: Start accepts. Automaton has 12296 states and 21424 transitions. Word has length 119 [2024-10-24 00:51:51,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:51:51,261 INFO L471 AbstractCegarLoop]: Abstraction has 12296 states and 21424 transitions. [2024-10-24 00:51:51,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-24 00:51:51,262 INFO L276 IsEmpty]: Start isEmpty. Operand 12296 states and 21424 transitions. [2024-10-24 00:51:51,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-10-24 00:51:51,278 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:51:51,278 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-10-24 00:51:51,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-24 00:51:51,278 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:51:51,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:51:51,278 INFO L85 PathProgramCache]: Analyzing trace with hash -613627278, now seen corresponding path program 1 times [2024-10-24 00:51:51,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:51:51,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728385890] [2024-10-24 00:51:51,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:51:51,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:51:51,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:51,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:51:51,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:51,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:51:51,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:51,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:51:51,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:51,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:51:51,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:51,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:51:51,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:51,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:51:51,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:51,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 00:51:51,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:51,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 00:51:51,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:51,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 00:51:51,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:51,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-24 00:51:51,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:51,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-24 00:51:51,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:51,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-24 00:51:51,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:51,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 00:51:51,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:51,376 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-24 00:51:51,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:51:51,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728385890] [2024-10-24 00:51:51,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728385890] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:51:51,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:51:51,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 00:51:51,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378054154] [2024-10-24 00:51:51,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:51:51,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 00:51:51,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:51:51,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 00:51:51,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 00:51:51,378 INFO L87 Difference]: Start difference. First operand 12296 states and 21424 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-24 00:51:53,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:51:53,254 INFO L93 Difference]: Finished difference Result 29615 states and 52196 transitions. [2024-10-24 00:51:53,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 00:51:53,255 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 120 [2024-10-24 00:51:53,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:51:53,313 INFO L225 Difference]: With dead ends: 29615 [2024-10-24 00:51:53,314 INFO L226 Difference]: Without dead ends: 19442 [2024-10-24 00:51:53,337 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-24 00:51:53,337 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 1413 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 1757 mSolverCounterSat, 494 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1431 SdHoareTripleChecker+Valid, 884 SdHoareTripleChecker+Invalid, 2251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 494 IncrementalHoareTripleChecker+Valid, 1757 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-24 00:51:53,337 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1431 Valid, 884 Invalid, 2251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [494 Valid, 1757 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-24 00:51:53,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19442 states. [2024-10-24 00:51:53,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19442 to 19256. [2024-10-24 00:51:53,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19256 states, 15952 states have (on average 1.6534603811434303) internal successors, (26376), 15958 states have internal predecessors, (26376), 3276 states have call successors, (3276), 23 states have call predecessors, (3276), 27 states have return successors, (3615), 3274 states have call predecessors, (3615), 3275 states have call successors, (3615) [2024-10-24 00:51:53,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19256 states to 19256 states and 33267 transitions. [2024-10-24 00:51:53,938 INFO L78 Accepts]: Start accepts. Automaton has 19256 states and 33267 transitions. Word has length 120 [2024-10-24 00:51:53,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:51:53,939 INFO L471 AbstractCegarLoop]: Abstraction has 19256 states and 33267 transitions. [2024-10-24 00:51:53,939 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-24 00:51:53,939 INFO L276 IsEmpty]: Start isEmpty. Operand 19256 states and 33267 transitions. [2024-10-24 00:51:53,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-10-24 00:51:53,957 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:51:53,957 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-10-24 00:51:53,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-24 00:51:53,957 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:51:53,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:51:53,958 INFO L85 PathProgramCache]: Analyzing trace with hash -1200449278, now seen corresponding path program 1 times [2024-10-24 00:51:53,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:51:53,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27712358] [2024-10-24 00:51:53,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:51:53,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:51:53,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:54,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:51:54,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:54,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:51:54,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:54,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:51:54,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:54,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:51:54,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:54,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:51:54,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:54,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:51:54,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:54,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 00:51:54,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:54,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 00:51:54,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:54,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 00:51:54,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:54,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 00:51:54,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:54,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 00:51:54,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:54,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 00:51:54,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:54,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 00:51:54,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:54,060 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-24 00:51:54,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:51:54,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27712358] [2024-10-24 00:51:54,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27712358] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:51:54,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:51:54,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 00:51:54,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438437711] [2024-10-24 00:51:54,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:51:54,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 00:51:54,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:51:54,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 00:51:54,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 00:51:54,063 INFO L87 Difference]: Start difference. First operand 19256 states and 33267 transitions. Second operand has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-24 00:51:57,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:51:57,148 INFO L93 Difference]: Finished difference Result 51056 states and 89729 transitions. [2024-10-24 00:51:57,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 00:51:57,149 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 121 [2024-10-24 00:51:57,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:51:57,237 INFO L225 Difference]: With dead ends: 51056 [2024-10-24 00:51:57,237 INFO L226 Difference]: Without dead ends: 34571 [2024-10-24 00:51:57,274 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-24 00:51:57,275 INFO L432 NwaCegarLoop]: 197 mSDtfsCounter, 1418 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 1728 mSolverCounterSat, 516 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1437 SdHoareTripleChecker+Valid, 908 SdHoareTripleChecker+Invalid, 2244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 516 IncrementalHoareTripleChecker+Valid, 1728 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-10-24 00:51:57,275 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1437 Valid, 908 Invalid, 2244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [516 Valid, 1728 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-24 00:51:57,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34571 states. [2024-10-24 00:51:58,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34571 to 34385. [2024-10-24 00:51:58,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34385 states, 28631 states have (on average 1.6506933044602006) internal successors, (47261), 28637 states have internal predecessors, (47261), 5726 states have call successors, (5726), 23 states have call predecessors, (5726), 27 states have return successors, (6339), 5724 states have call predecessors, (6339), 5725 states have call successors, (6339) [2024-10-24 00:51:58,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34385 states to 34385 states and 59326 transitions. [2024-10-24 00:51:58,511 INFO L78 Accepts]: Start accepts. Automaton has 34385 states and 59326 transitions. Word has length 121 [2024-10-24 00:51:58,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:51:58,512 INFO L471 AbstractCegarLoop]: Abstraction has 34385 states and 59326 transitions. [2024-10-24 00:51:58,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-24 00:51:58,512 INFO L276 IsEmpty]: Start isEmpty. Operand 34385 states and 59326 transitions. [2024-10-24 00:51:58,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-10-24 00:51:58,529 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:51:58,529 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-10-24 00:51:58,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-24 00:51:58,529 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:51:58,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:51:58,530 INFO L85 PathProgramCache]: Analyzing trace with hash -1193153000, now seen corresponding path program 1 times [2024-10-24 00:51:58,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:51:58,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405574021] [2024-10-24 00:51:58,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:51:58,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:51:58,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:58,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:51:58,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:58,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:51:58,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:58,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:51:58,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:58,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:51:58,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:58,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:51:58,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:58,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:51:58,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:58,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-24 00:51:58,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:58,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 00:51:58,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:58,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-24 00:51:58,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:58,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 00:51:58,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:58,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 00:51:58,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:58,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 00:51:58,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:58,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 00:51:58,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:51:58,604 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-24 00:51:58,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:51:58,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405574021] [2024-10-24 00:51:58,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405574021] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:51:58,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:51:58,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 00:51:58,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718109371] [2024-10-24 00:51:58,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:51:58,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 00:51:58,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:51:58,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 00:51:58,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 00:51:58,606 INFO L87 Difference]: Start difference. First operand 34385 states and 59326 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-24 00:52:01,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:52:01,891 INFO L93 Difference]: Finished difference Result 93938 states and 164323 transitions. [2024-10-24 00:52:01,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 00:52:01,892 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 122 [2024-10-24 00:52:01,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:52:02,345 INFO L225 Difference]: With dead ends: 93938 [2024-10-24 00:52:02,346 INFO L226 Difference]: Without dead ends: 63247 [2024-10-24 00:52:02,412 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-24 00:52:02,413 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 1416 mSDsluCounter, 715 mSDsCounter, 0 mSdLazyCounter, 1738 mSolverCounterSat, 510 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1435 SdHoareTripleChecker+Valid, 915 SdHoareTripleChecker+Invalid, 2248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 510 IncrementalHoareTripleChecker+Valid, 1738 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-24 00:52:02,413 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1435 Valid, 915 Invalid, 2248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [510 Valid, 1738 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-24 00:52:02,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63247 states. [2024-10-24 00:52:04,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63247 to 63061. [2024-10-24 00:52:04,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63061 states, 52794 states have (on average 1.6470242830624693) internal successors, (86953), 52800 states have internal predecessors, (86953), 10239 states have call successors, (10239), 23 states have call predecessors, (10239), 27 states have return successors, (11384), 10237 states have call predecessors, (11384), 10238 states have call successors, (11384) [2024-10-24 00:52:05,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63061 states to 63061 states and 108576 transitions. [2024-10-24 00:52:05,177 INFO L78 Accepts]: Start accepts. Automaton has 63061 states and 108576 transitions. Word has length 122 [2024-10-24 00:52:05,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:52:05,179 INFO L471 AbstractCegarLoop]: Abstraction has 63061 states and 108576 transitions. [2024-10-24 00:52:05,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-24 00:52:05,179 INFO L276 IsEmpty]: Start isEmpty. Operand 63061 states and 108576 transitions. [2024-10-24 00:52:05,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-10-24 00:52:05,213 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:52:05,213 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-10-24 00:52:05,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-24 00:52:05,213 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:52:05,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:52:05,214 INFO L85 PathProgramCache]: Analyzing trace with hash -793476766, now seen corresponding path program 1 times [2024-10-24 00:52:05,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:52:05,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695646369] [2024-10-24 00:52:05,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:52:05,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:52:05,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:52:05,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:52:05,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:52:05,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:52:05,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:52:05,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:52:05,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:52:05,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:52:05,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:52:05,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:52:05,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:52:05,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:52:05,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:52:05,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 00:52:05,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:52:05,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 00:52:05,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:52:05,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 00:52:05,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:52:05,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 00:52:05,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:52:05,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 00:52:05,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:52:05,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 00:52:05,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:52:05,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-24 00:52:05,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:52:05,319 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-24 00:52:05,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:52:05,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695646369] [2024-10-24 00:52:05,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695646369] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:52:05,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:52:05,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 00:52:05,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407770712] [2024-10-24 00:52:05,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:52:05,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 00:52:05,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:52:05,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 00:52:05,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 00:52:05,322 INFO L87 Difference]: Start difference. First operand 63061 states and 108576 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-24 00:52:09,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:52:09,855 INFO L93 Difference]: Finished difference Result 118318 states and 207475 transitions. [2024-10-24 00:52:09,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 00:52:09,856 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 123 [2024-10-24 00:52:09,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:52:10,278 INFO L225 Difference]: With dead ends: 118318 [2024-10-24 00:52:10,278 INFO L226 Difference]: Without dead ends: 118133 [2024-10-24 00:52:10,315 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-10-24 00:52:10,316 INFO L432 NwaCegarLoop]: 202 mSDtfsCounter, 1411 mSDsluCounter, 719 mSDsCounter, 0 mSdLazyCounter, 1750 mSolverCounterSat, 513 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1429 SdHoareTripleChecker+Valid, 921 SdHoareTripleChecker+Invalid, 2263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 513 IncrementalHoareTripleChecker+Valid, 1750 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-10-24 00:52:10,316 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1429 Valid, 921 Invalid, 2263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [513 Valid, 1750 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-24 00:52:10,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118133 states. [2024-10-24 00:52:14,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118133 to 117947. [2024-10-24 00:52:14,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117947 states, 99312 states have (on average 1.6423292250684711) internal successors, (163103), 99318 states have internal predecessors, (163103), 18607 states have call successors, (18607), 23 states have call predecessors, (18607), 27 states have return successors, (20798), 18605 states have call predecessors, (20798), 18606 states have call successors, (20798) [2024-10-24 00:52:14,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117947 states to 117947 states and 202508 transitions. [2024-10-24 00:52:14,487 INFO L78 Accepts]: Start accepts. Automaton has 117947 states and 202508 transitions. Word has length 123 [2024-10-24 00:52:14,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:52:14,488 INFO L471 AbstractCegarLoop]: Abstraction has 117947 states and 202508 transitions. [2024-10-24 00:52:14,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-24 00:52:14,488 INFO L276 IsEmpty]: Start isEmpty. Operand 117947 states and 202508 transitions. [2024-10-24 00:52:14,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-10-24 00:52:14,518 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:52:14,518 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-10-24 00:52:14,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-24 00:52:14,518 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:52:14,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:52:14,518 INFO L85 PathProgramCache]: Analyzing trace with hash -725374343, now seen corresponding path program 1 times [2024-10-24 00:52:14,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:52:14,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879424272] [2024-10-24 00:52:14,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:52:14,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:52:14,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:52:14,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:52:14,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:52:14,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:52:14,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:52:14,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:52:14,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:52:14,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:52:14,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:52:14,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:52:14,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:52:14,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:52:14,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:52:14,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 00:52:14,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:52:14,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-24 00:52:14,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:52:14,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 00:52:14,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:52:14,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 00:52:14,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:52:14,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 00:52:14,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:52:14,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 00:52:14,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:52:14,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-24 00:52:14,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:52:14,785 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-24 00:52:14,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:52:14,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879424272] [2024-10-24 00:52:14,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879424272] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:52:14,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:52:14,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-24 00:52:14,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471012860] [2024-10-24 00:52:14,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:52:14,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 00:52:14,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:52:14,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 00:52:14,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-24 00:52:14,787 INFO L87 Difference]: Start difference. First operand 117947 states and 202508 transitions. Second operand has 10 states, 10 states have (on average 7.9) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-24 00:52:20,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:52:20,553 INFO L93 Difference]: Finished difference Result 118660 states and 206959 transitions. [2024-10-24 00:52:20,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-24 00:52:20,554 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.9) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) Word has length 124 [2024-10-24 00:52:20,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:52:21,123 INFO L225 Difference]: With dead ends: 118660 [2024-10-24 00:52:21,123 INFO L226 Difference]: Without dead ends: 118482 [2024-10-24 00:52:21,157 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=184, Invalid=466, Unknown=0, NotChecked=0, Total=650 [2024-10-24 00:52:21,158 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 2203 mSDsluCounter, 1027 mSDsCounter, 0 mSdLazyCounter, 4944 mSolverCounterSat, 672 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2220 SdHoareTripleChecker+Valid, 1230 SdHoareTripleChecker+Invalid, 5616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 672 IncrementalHoareTripleChecker+Valid, 4944 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-10-24 00:52:21,158 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2220 Valid, 1230 Invalid, 5616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [672 Valid, 4944 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-10-24 00:52:21,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118482 states. [2024-10-24 00:52:24,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118482 to 118127. [2024-10-24 00:52:24,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118127 states, 99448 states have (on average 1.6421546939103853) internal successors, (163309), 99455 states have internal predecessors, (163309), 18636 states have call successors, (18636), 36 states have call predecessors, (18636), 42 states have return successors, (20831), 18635 states have call predecessors, (20831), 18634 states have call successors, (20831) [2024-10-24 00:52:25,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118127 states to 118127 states and 202776 transitions. [2024-10-24 00:52:25,277 INFO L78 Accepts]: Start accepts. Automaton has 118127 states and 202776 transitions. Word has length 124 [2024-10-24 00:52:25,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:52:25,277 INFO L471 AbstractCegarLoop]: Abstraction has 118127 states and 202776 transitions. [2024-10-24 00:52:25,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.9) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-24 00:52:25,277 INFO L276 IsEmpty]: Start isEmpty. Operand 118127 states and 202776 transitions. [2024-10-24 00:52:25,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-10-24 00:52:25,303 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:52:25,303 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-10-24 00:52:25,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-24 00:52:25,303 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:52:25,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:52:25,304 INFO L85 PathProgramCache]: Analyzing trace with hash 1082518003, now seen corresponding path program 1 times [2024-10-24 00:52:25,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:52:25,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949319479] [2024-10-24 00:52:25,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:52:25,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:52:25,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:52:25,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:52:25,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:52:25,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:52:25,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:52:25,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:52:25,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:52:25,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:52:25,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:52:25,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:52:25,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:52:25,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:52:25,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:52:25,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 00:52:25,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:52:25,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-24 00:52:25,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:52:25,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 00:52:25,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:52:25,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 00:52:26,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:52:26,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 00:52:26,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:52:26,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 00:52:26,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:52:26,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 00:52:26,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:52:26,058 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-24 00:52:26,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:52:26,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949319479] [2024-10-24 00:52:26,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949319479] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:52:26,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:52:26,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-10-24 00:52:26,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125725797] [2024-10-24 00:52:26,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:52:26,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-24 00:52:26,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:52:26,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-24 00:52:26,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2024-10-24 00:52:26,062 INFO L87 Difference]: Start difference. First operand 118127 states and 202776 transitions. Second operand has 16 states, 14 states have (on average 5.714285714285714) internal successors, (80), 10 states have internal predecessors, (80), 8 states have call successors, (16), 7 states have call predecessors, (16), 2 states have return successors, (13), 6 states have call predecessors, (13), 7 states have call successors, (13) [2024-10-24 00:52:32,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 00:52:32,343 INFO L93 Difference]: Finished difference Result 119362 states and 208144 transitions. [2024-10-24 00:52:32,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-10-24 00:52:32,345 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 5.714285714285714) internal successors, (80), 10 states have internal predecessors, (80), 8 states have call successors, (16), 7 states have call predecessors, (16), 2 states have return successors, (13), 6 states have call predecessors, (13), 7 states have call successors, (13) Word has length 125 [2024-10-24 00:52:32,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 00:52:32,840 INFO L225 Difference]: With dead ends: 119362 [2024-10-24 00:52:32,841 INFO L226 Difference]: Without dead ends: 118988 [2024-10-24 00:52:32,902 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 563 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=399, Invalid=2051, Unknown=0, NotChecked=0, Total=2450 [2024-10-24 00:52:32,903 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 2370 mSDsluCounter, 2195 mSDsCounter, 0 mSdLazyCounter, 6690 mSolverCounterSat, 944 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2370 SdHoareTripleChecker+Valid, 2395 SdHoareTripleChecker+Invalid, 7634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 944 IncrementalHoareTripleChecker+Valid, 6690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-10-24 00:52:32,903 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2370 Valid, 2395 Invalid, 7634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [944 Valid, 6690 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-10-24 00:52:33,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118988 states. [2024-10-24 00:52:37,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118988 to 118338. [2024-10-24 00:52:37,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118338 states, 99601 states have (on average 1.6419212658507445) internal successors, (163537), 99613 states have internal predecessors, (163537), 18690 states have call successors, (18690), 39 states have call predecessors, (18690), 46 states have return successors, (20893), 18685 states have call predecessors, (20893), 18684 states have call successors, (20893) [2024-10-24 00:52:37,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118338 states to 118338 states and 203120 transitions. [2024-10-24 00:52:37,638 INFO L78 Accepts]: Start accepts. Automaton has 118338 states and 203120 transitions. Word has length 125 [2024-10-24 00:52:37,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 00:52:37,639 INFO L471 AbstractCegarLoop]: Abstraction has 118338 states and 203120 transitions. [2024-10-24 00:52:37,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 5.714285714285714) internal successors, (80), 10 states have internal predecessors, (80), 8 states have call successors, (16), 7 states have call predecessors, (16), 2 states have return successors, (13), 6 states have call predecessors, (13), 7 states have call successors, (13) [2024-10-24 00:52:37,639 INFO L276 IsEmpty]: Start isEmpty. Operand 118338 states and 203120 transitions. [2024-10-24 00:52:37,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-10-24 00:52:37,676 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 00:52:37,676 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-10-24 00:52:37,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-24 00:52:37,677 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 00:52:37,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 00:52:37,677 INFO L85 PathProgramCache]: Analyzing trace with hash -51573117, now seen corresponding path program 1 times [2024-10-24 00:52:37,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 00:52:37,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064327138] [2024-10-24 00:52:37,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 00:52:37,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 00:52:37,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:52:37,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 00:52:37,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:52:37,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 00:52:37,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:52:37,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 00:52:37,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:52:37,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 00:52:37,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:52:37,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 00:52:37,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:52:37,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 00:52:37,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:52:37,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 00:52:37,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:52:37,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-24 00:52:37,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:52:37,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 00:52:37,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:52:37,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 00:52:37,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:52:37,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 00:52:37,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:52:37,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 00:52:37,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:52:37,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 00:52:37,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 00:52:37,941 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-24 00:52:37,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 00:52:37,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064327138] [2024-10-24 00:52:37,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064327138] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 00:52:37,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 00:52:37,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-24 00:52:37,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913150832] [2024-10-24 00:52:37,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 00:52:37,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-24 00:52:37,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 00:52:37,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-24 00:52:37,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-10-24 00:52:37,943 INFO L87 Difference]: Start difference. First operand 118338 states and 203120 transitions. Second operand has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 6 states have internal predecessors, (83), 2 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (13), 4 states have call predecessors, (13), 2 states have call successors, (13)