./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec4_product27.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/email_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-wip.dk.perfect-tracechecks-8be7027-m [2024-11-11 20:44:02,678 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-11 20:44:02,758 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-11 20:44:02,765 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-11 20:44:02,767 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-11 20:44:02,800 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-11 20:44:02,803 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-11 20:44:02,803 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-11 20:44:02,804 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-11 20:44:02,805 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-11 20:44:02,805 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-11 20:44:02,805 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-11 20:44:02,806 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-11 20:44:02,806 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-11 20:44:02,807 INFO L153 SettingsManager]: * Use SBE=true [2024-11-11 20:44:02,807 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-11 20:44:02,807 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-11 20:44:02,808 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-11 20:44:02,808 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-11 20:44:02,808 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-11 20:44:02,808 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-11 20:44:02,809 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-11 20:44:02,809 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-11 20:44:02,809 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-11 20:44:02,810 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-11 20:44:02,810 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-11 20:44:02,810 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-11 20:44:02,810 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-11 20:44:02,811 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-11 20:44:02,811 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-11 20:44:02,811 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-11 20:44:02,811 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-11 20:44:02,811 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 20:44:02,812 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-11 20:44:02,812 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-11 20:44:02,812 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-11 20:44:02,812 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-11 20:44:02,813 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-11 20:44:02,813 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-11 20:44:02,813 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-11 20:44:02,813 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-11 20:44:02,814 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-11 20:44:02,814 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4373ae32f100aa418b32a7018bfdec5c3f7ae719a7f9b296410b14fba54a4baf [2024-11-11 20:44:03,066 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-11 20:44:03,090 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-11 20:44:03,093 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-11 20:44:03,094 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-11 20:44:03,094 INFO L274 PluginConnector]: CDTParser initialized [2024-11-11 20:44:03,095 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec4_product27.cil.c [2024-11-11 20:44:04,489 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-11 20:44:04,786 INFO L384 CDTParser]: Found 1 translation units. [2024-11-11 20:44:04,787 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec4_product27.cil.c [2024-11-11 20:44:04,812 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae3dd4538/d8935865897d4921a9c5bb4ee5f23708/FLAGe6583a0ef [2024-11-11 20:44:04,825 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae3dd4538/d8935865897d4921a9c5bb4ee5f23708 [2024-11-11 20:44:04,827 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-11 20:44:04,828 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-11 20:44:04,830 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-11 20:44:04,830 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-11 20:44:04,836 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-11 20:44:04,837 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 08:44:04" (1/1) ... [2024-11-11 20:44:04,838 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2be1a88d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:44:04, skipping insertion in model container [2024-11-11 20:44:04,838 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 08:44:04" (1/1) ... [2024-11-11 20:44:04,910 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-11 20:44:05,134 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec4_product27.cil.c[1542,1555] [2024-11-11 20:44:05,542 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 20:44:05,555 INFO L200 MainTranslator]: Completed pre-run [2024-11-11 20:44:05,565 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [48] [2024-11-11 20:44:05,567 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Util.i","") [57] [2024-11-11 20:44:05,567 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [75] [2024-11-11 20:44:05,567 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [308] [2024-11-11 20:44:05,568 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"ClientLib.i","") [357] [2024-11-11 20:44:05,568 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"EmailLib.i","") [1437] [2024-11-11 20:44:05,568 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Email.i","") [1849] [2024-11-11 20:44:05,568 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [1948] [2024-11-11 20:44:05,568 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [2314] [2024-11-11 20:44:05,568 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Client.i","") [2619] [2024-11-11 20:44:05,569 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"SignForward_spec.i","") [2985] [2024-11-11 20:44:05,571 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec4_product27.cil.c[1542,1555] [2024-11-11 20:44:05,679 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 20:44:05,725 INFO L204 MainTranslator]: Completed translation [2024-11-11 20:44:05,726 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:44:05 WrapperNode [2024-11-11 20:44:05,726 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-11 20:44:05,727 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-11 20:44:05,727 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-11 20:44:05,728 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-11 20:44:05,735 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:44:05" (1/1) ... [2024-11-11 20:44:05,757 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:44:05" (1/1) ... [2024-11-11 20:44:05,821 INFO L138 Inliner]: procedures = 133, calls = 208, calls flagged for inlining = 64, calls inlined = 61, statements flattened = 1116 [2024-11-11 20:44:05,821 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-11 20:44:05,822 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-11 20:44:05,822 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-11 20:44:05,822 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-11 20:44:05,840 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:44:05" (1/1) ... [2024-11-11 20:44:05,841 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:44:05" (1/1) ... [2024-11-11 20:44:05,847 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:44:05" (1/1) ... [2024-11-11 20:44:05,885 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 4, 4, 4]. 29 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 4, 4, 4]. The 0 writes are split as follows [0, 0, 0, 0]. [2024-11-11 20:44:05,886 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:44:05" (1/1) ... [2024-11-11 20:44:05,886 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:44:05" (1/1) ... [2024-11-11 20:44:05,903 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:44:05" (1/1) ... [2024-11-11 20:44:05,921 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:44:05" (1/1) ... [2024-11-11 20:44:05,932 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:44:05" (1/1) ... [2024-11-11 20:44:05,940 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:44:05" (1/1) ... [2024-11-11 20:44:05,961 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-11 20:44:05,962 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-11 20:44:05,962 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-11 20:44:05,962 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-11 20:44:05,963 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:44:05" (1/1) ... [2024-11-11 20:44:05,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 20:44:05,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 20:44:06,007 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-11 20:44:06,010 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-11 20:44:06,057 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2024-11-11 20:44:06,058 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2024-11-11 20:44:06,058 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2024-11-11 20:44:06,058 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2024-11-11 20:44:06,058 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2024-11-11 20:44:06,058 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2024-11-11 20:44:06,058 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2024-11-11 20:44:06,059 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2024-11-11 20:44:06,059 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2024-11-11 20:44:06,059 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2024-11-11 20:44:06,060 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2024-11-11 20:44:06,060 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2024-11-11 20:44:06,060 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2024-11-11 20:44:06,060 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2024-11-11 20:44:06,061 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2024-11-11 20:44:06,061 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2024-11-11 20:44:06,061 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2024-11-11 20:44:06,061 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2024-11-11 20:44:06,063 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2024-11-11 20:44:06,063 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2024-11-11 20:44:06,063 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2024-11-11 20:44:06,063 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2024-11-11 20:44:06,064 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2024-11-11 20:44:06,064 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2024-11-11 20:44:06,064 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2024-11-11 20:44:06,064 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2024-11-11 20:44:06,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-11 20:44:06,065 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2024-11-11 20:44:06,065 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2024-11-11 20:44:06,065 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2024-11-11 20:44:06,065 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2024-11-11 20:44:06,065 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2024-11-11 20:44:06,065 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2024-11-11 20:44:06,065 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2024-11-11 20:44:06,066 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2024-11-11 20:44:06,066 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2024-11-11 20:44:06,066 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2024-11-11 20:44:06,066 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2024-11-11 20:44:06,066 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2024-11-11 20:44:06,066 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2024-11-11 20:44:06,066 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2024-11-11 20:44:06,066 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2024-11-11 20:44:06,067 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2024-11-11 20:44:06,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-11 20:44:06,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-11 20:44:06,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-11 20:44:06,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-11 20:44:06,067 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2024-11-11 20:44:06,067 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2024-11-11 20:44:06,067 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2024-11-11 20:44:06,068 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2024-11-11 20:44:06,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-11 20:44:06,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-11 20:44:06,382 INFO L238 CfgBuilder]: Building ICFG [2024-11-11 20:44:06,384 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-11 20:44:07,479 INFO L? ?]: Removed 565 outVars from TransFormulas that were not future-live. [2024-11-11 20:44:07,480 INFO L287 CfgBuilder]: Performing block encoding [2024-11-11 20:44:07,512 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-11 20:44:07,512 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-11 20:44:07,512 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 08:44:07 BoogieIcfgContainer [2024-11-11 20:44:07,513 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-11 20:44:07,518 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-11 20:44:07,518 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-11 20:44:07,521 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-11 20:44:07,521 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.11 08:44:04" (1/3) ... [2024-11-11 20:44:07,521 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c4be834 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 08:44:07, skipping insertion in model container [2024-11-11 20:44:07,521 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 08:44:05" (2/3) ... [2024-11-11 20:44:07,522 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c4be834 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 08:44:07, skipping insertion in model container [2024-11-11 20:44:07,522 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 08:44:07" (3/3) ... [2024-11-11 20:44:07,523 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec4_product27.cil.c [2024-11-11 20:44:07,540 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-11 20:44:07,540 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-11 20:44:07,635 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-11 20:44:07,642 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;@52877b91, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-11 20:44:07,643 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-11 20:44:07,651 INFO L276 IsEmpty]: Start isEmpty. Operand has 405 states, 320 states have (on average 1.5625) internal successors, (500), 323 states have internal predecessors, (500), 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) [2024-11-11 20:44:07,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-11 20:44:07,671 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:44:07,672 INFO L218 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, 1, 1, 1, 1, 1] [2024-11-11 20:44:07,673 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:44:07,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:44:07,680 INFO L85 PathProgramCache]: Analyzing trace with hash 188257378, now seen corresponding path program 1 times [2024-11-11 20:44:07,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:44:07,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051002829] [2024-11-11 20:44:07,690 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:44:07,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:44:07,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:08,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-11 20:44:08,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:08,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:44:08,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:08,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 20:44:08,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:08,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-11 20:44:08,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:08,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-11 20:44:08,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:08,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-11 20:44:08,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:08,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-11 20:44:08,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:08,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-11 20:44:08,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:08,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-11 20:44:08,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:08,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-11 20:44:08,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:08,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-11 20:44:08,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:08,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-11 20:44:08,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:08,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-11 20:44:08,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:08,506 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-11 20:44:08,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:44:08,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051002829] [2024-11-11 20:44:08,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051002829] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-11 20:44:08,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1350421330] [2024-11-11 20:44:08,511 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:44:08,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 20:44:08,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 20:44:08,514 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-11 20:44:08,515 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-11 20:44:08,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:08,872 INFO L256 TraceCheckSpWp]: Trace formula consists of 995 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-11 20:44:08,886 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 20:44:08,919 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-11 20:44:08,923 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-11 20:44:08,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1350421330] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:44:08,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-11 20:44:08,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2024-11-11 20:44:08,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129443650] [2024-11-11 20:44:08,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:44:08,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-11 20:44:08,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:44:08,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-11 20:44:08,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-11 20:44:08,958 INFO L87 Difference]: Start difference. First operand has 405 states, 320 states have (on average 1.5625) internal successors, (500), 323 states have internal predecessors, (500), 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 27.0) internal successors, (54), 2 states have internal predecessors, (54), 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) [2024-11-11 20:44:09,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:44:09,020 INFO L93 Difference]: Finished difference Result 612 states and 922 transitions. [2024-11-11 20:44:09,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-11 20:44:09,022 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 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 101 [2024-11-11 20:44:09,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:44:09,036 INFO L225 Difference]: With dead ends: 612 [2024-11-11 20:44:09,036 INFO L226 Difference]: Without dead ends: 398 [2024-11-11 20:44:09,042 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-11 20:44:09,045 INFO L435 NwaCegarLoop]: 616 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 616 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-11 20:44:09,046 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 616 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-11 20:44:09,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2024-11-11 20:44:09,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 398. [2024-11-11 20:44:09,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 314 states have (on average 1.5573248407643312) internal successors, (489), 316 states have internal predecessors, (489), 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) [2024-11-11 20:44:09,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 608 transitions. [2024-11-11 20:44:09,117 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 608 transitions. Word has length 101 [2024-11-11 20:44:09,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:44:09,121 INFO L471 AbstractCegarLoop]: Abstraction has 398 states and 608 transitions. [2024-11-11 20:44:09,122 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 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) [2024-11-11 20:44:09,122 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 608 transitions. [2024-11-11 20:44:09,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-11 20:44:09,132 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:44:09,132 INFO L218 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, 1, 1, 1, 1, 1, 1] [2024-11-11 20:44:09,152 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-11 20:44:09,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-11 20:44:09,337 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:44:09,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:44:09,338 INFO L85 PathProgramCache]: Analyzing trace with hash 2053452095, now seen corresponding path program 1 times [2024-11-11 20:44:09,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:44:09,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294182464] [2024-11-11 20:44:09,338 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:44:09,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:44:09,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:09,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-11 20:44:09,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:09,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:44:09,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:09,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 20:44:09,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:09,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-11 20:44:09,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:09,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-11 20:44:09,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:09,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-11 20:44:09,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:09,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-11 20:44:09,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:09,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-11 20:44:09,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:09,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-11 20:44:09,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:09,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-11 20:44:09,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:09,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-11 20:44:09,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:09,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-11 20:44:09,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:09,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-11 20:44:09,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:09,618 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-11 20:44:09,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:44:09,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294182464] [2024-11-11 20:44:09,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294182464] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-11 20:44:09,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1965679064] [2024-11-11 20:44:09,619 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:44:09,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 20:44:09,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 20:44:09,621 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-11 20:44:09,623 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-11 20:44:09,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:09,935 INFO L256 TraceCheckSpWp]: Trace formula consists of 996 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-11 20:44:09,946 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 20:44:09,976 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-11 20:44:09,977 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-11 20:44:09,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1965679064] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:44:09,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-11 20:44:09,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-11 20:44:09,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578700915] [2024-11-11 20:44:09,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:44:09,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-11 20:44:09,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:44:09,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-11 20:44:09,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-11 20:44:09,980 INFO L87 Difference]: Start difference. First operand 398 states and 608 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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) [2024-11-11 20:44:10,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:44:10,045 INFO L93 Difference]: Finished difference Result 602 states and 900 transitions. [2024-11-11 20:44:10,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-11 20:44:10,045 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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 102 [2024-11-11 20:44:10,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:44:10,049 INFO L225 Difference]: With dead ends: 602 [2024-11-11 20:44:10,049 INFO L226 Difference]: Without dead ends: 401 [2024-11-11 20:44:10,050 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-11 20:44:10,053 INFO L435 NwaCegarLoop]: 606 mSDtfsCounter, 1 mSDsluCounter, 604 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1210 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-11 20:44:10,055 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1210 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-11 20:44:10,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2024-11-11 20:44:10,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 400. [2024-11-11 20:44:10,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 316 states have (on average 1.5537974683544304) internal successors, (491), 318 states have internal predecessors, (491), 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) [2024-11-11 20:44:10,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 610 transitions. [2024-11-11 20:44:10,086 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 610 transitions. Word has length 102 [2024-11-11 20:44:10,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:44:10,086 INFO L471 AbstractCegarLoop]: Abstraction has 400 states and 610 transitions. [2024-11-11 20:44:10,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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) [2024-11-11 20:44:10,087 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 610 transitions. [2024-11-11 20:44:10,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-11 20:44:10,089 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:44:10,090 INFO L218 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 20:44:10,104 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-11 20:44:10,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-11 20:44:10,294 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:44:10,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:44:10,295 INFO L85 PathProgramCache]: Analyzing trace with hash -1878031989, now seen corresponding path program 1 times [2024-11-11 20:44:10,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:44:10,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677687815] [2024-11-11 20:44:10,295 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:44:10,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:44:10,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:10,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-11 20:44:10,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:10,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:44:10,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:10,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 20:44:10,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:10,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-11 20:44:10,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:10,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-11 20:44:10,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:10,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-11 20:44:10,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:10,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-11 20:44:10,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:10,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-11 20:44:10,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:10,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-11 20:44:10,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:10,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-11 20:44:10,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:10,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-11 20:44:10,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:10,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-11 20:44:10,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:10,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-11 20:44:10,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:10,565 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-11 20:44:10,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:44:10,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677687815] [2024-11-11 20:44:10,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677687815] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-11 20:44:10,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [606607842] [2024-11-11 20:44:10,570 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:44:10,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 20:44:10,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 20:44:10,573 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-11 20:44:10,575 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-11 20:44:10,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:10,859 INFO L256 TraceCheckSpWp]: Trace formula consists of 1021 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-11 20:44:10,865 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 20:44:10,893 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-11 20:44:10,897 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-11 20:44:10,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [606607842] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:44:10,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-11 20:44:10,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-11 20:44:10,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285469743] [2024-11-11 20:44:10,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:44:10,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-11 20:44:10,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:44:10,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-11 20:44:10,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-11 20:44:10,900 INFO L87 Difference]: Start difference. First operand 400 states and 610 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-11 20:44:10,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:44:10,943 INFO L93 Difference]: Finished difference Result 853 states and 1320 transitions. [2024-11-11 20:44:10,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-11 20:44:10,944 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 111 [2024-11-11 20:44:10,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:44:10,948 INFO L225 Difference]: With dead ends: 853 [2024-11-11 20:44:10,950 INFO L226 Difference]: Without dead ends: 480 [2024-11-11 20:44:10,951 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-11 20:44:10,952 INFO L435 NwaCegarLoop]: 618 mSDtfsCounter, 142 mSDsluCounter, 562 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 1180 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-11 20:44:10,954 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 1180 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-11 20:44:10,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2024-11-11 20:44:10,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 472. [2024-11-11 20:44:10,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 472 states, 374 states have (on average 1.572192513368984) internal successors, (588), 376 states have internal predecessors, (588), 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) [2024-11-11 20:44:10,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 735 transitions. [2024-11-11 20:44:10,996 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 735 transitions. Word has length 111 [2024-11-11 20:44:10,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:44:10,998 INFO L471 AbstractCegarLoop]: Abstraction has 472 states and 735 transitions. [2024-11-11 20:44:10,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-11 20:44:10,999 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 735 transitions. [2024-11-11 20:44:11,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-11 20:44:11,002 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:44:11,003 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 20:44:11,021 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-11 20:44:11,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 20:44:11,204 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:44:11,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:44:11,205 INFO L85 PathProgramCache]: Analyzing trace with hash -1655426612, now seen corresponding path program 1 times [2024-11-11 20:44:11,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:44:11,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965509548] [2024-11-11 20:44:11,205 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:44:11,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:44:11,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:11,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-11 20:44:11,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:11,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:44:11,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:11,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 20:44:11,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:11,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-11 20:44:11,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:11,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-11 20:44:11,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:11,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-11 20:44:11,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:11,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-11 20:44:11,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:11,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-11 20:44:11,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:11,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-11 20:44:11,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:11,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-11 20:44:11,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:11,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-11 20:44:11,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:11,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-11 20:44:11,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:11,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-11 20:44:11,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:11,481 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-11 20:44:11,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:44:11,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965509548] [2024-11-11 20:44:11,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965509548] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-11 20:44:11,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [640171931] [2024-11-11 20:44:11,482 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:44:11,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 20:44:11,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 20:44:11,486 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-11 20:44:11,487 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-11 20:44:11,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:11,779 INFO L256 TraceCheckSpWp]: Trace formula consists of 1026 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-11 20:44:11,784 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 20:44:11,856 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-11 20:44:11,860 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-11 20:44:11,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [640171931] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:44:11,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-11 20:44:11,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2024-11-11 20:44:11,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090861711] [2024-11-11 20:44:11,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:44:11,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 20:44:11,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:44:11,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 20:44:11,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-11 20:44:11,866 INFO L87 Difference]: Start difference. First operand 472 states and 735 transitions. Second operand has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 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) [2024-11-11 20:44:11,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:44:11,947 INFO L93 Difference]: Finished difference Result 935 states and 1460 transitions. [2024-11-11 20:44:11,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-11 20:44:11,948 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 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 112 [2024-11-11 20:44:11,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:44:11,952 INFO L225 Difference]: With dead ends: 935 [2024-11-11 20:44:11,952 INFO L226 Difference]: Without dead ends: 474 [2024-11-11 20:44:11,954 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-11 20:44:11,954 INFO L435 NwaCegarLoop]: 600 mSDtfsCounter, 2 mSDsluCounter, 1789 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2389 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-11 20:44:11,955 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2389 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-11 20:44:11,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2024-11-11 20:44:11,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 474. [2024-11-11 20:44:11,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 474 states, 375 states have (on average 1.5706666666666667) internal successors, (589), 378 states have internal predecessors, (589), 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) [2024-11-11 20:44:11,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 738 transitions. [2024-11-11 20:44:11,985 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 738 transitions. Word has length 112 [2024-11-11 20:44:11,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:44:11,985 INFO L471 AbstractCegarLoop]: Abstraction has 474 states and 738 transitions. [2024-11-11 20:44:11,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 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) [2024-11-11 20:44:11,986 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 738 transitions. [2024-11-11 20:44:11,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-11 20:44:11,988 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:44:11,988 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 20:44:12,008 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-11 20:44:12,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 20:44:12,190 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:44:12,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:44:12,190 INFO L85 PathProgramCache]: Analyzing trace with hash 588133733, now seen corresponding path program 1 times [2024-11-11 20:44:12,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:44:12,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031714143] [2024-11-11 20:44:12,191 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:44:12,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:44:12,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:12,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-11 20:44:12,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:12,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:44:12,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:12,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 20:44:12,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:12,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-11 20:44:12,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:12,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-11 20:44:12,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:12,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-11 20:44:12,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:12,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-11 20:44:12,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:12,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-11 20:44:12,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:12,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-11 20:44:12,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:12,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-11 20:44:12,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:12,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-11 20:44:12,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:12,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-11 20:44:12,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:12,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-11 20:44:12,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:12,487 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-11 20:44:12,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:44:12,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031714143] [2024-11-11 20:44:12,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031714143] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-11 20:44:12,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [96581582] [2024-11-11 20:44:12,488 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:44:12,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 20:44:12,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 20:44:12,507 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-11 20:44:12,509 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-11 20:44:12,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:12,818 INFO L256 TraceCheckSpWp]: Trace formula consists of 1027 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-11 20:44:12,824 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 20:44:12,885 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-11 20:44:12,887 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-11 20:44:12,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [96581582] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:44:12,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-11 20:44:12,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2024-11-11 20:44:12,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964305873] [2024-11-11 20:44:12,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:44:12,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 20:44:12,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:44:12,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 20:44:12,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-11 20:44:12,890 INFO L87 Difference]: Start difference. First operand 474 states and 738 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 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) [2024-11-11 20:44:12,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:44:12,975 INFO L93 Difference]: Finished difference Result 937 states and 1465 transitions. [2024-11-11 20:44:12,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-11 20:44:12,976 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 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 113 [2024-11-11 20:44:12,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:44:12,981 INFO L225 Difference]: With dead ends: 937 [2024-11-11 20:44:12,982 INFO L226 Difference]: Without dead ends: 476 [2024-11-11 20:44:12,984 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-11 20:44:12,986 INFO L435 NwaCegarLoop]: 598 mSDtfsCounter, 2 mSDsluCounter, 1777 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2375 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-11 20:44:12,987 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2375 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-11 20:44:12,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2024-11-11 20:44:13,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 476. [2024-11-11 20:44:13,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 476 states, 376 states have (on average 1.5691489361702127) internal successors, (590), 380 states have internal predecessors, (590), 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) [2024-11-11 20:44:13,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 744 transitions. [2024-11-11 20:44:13,017 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 744 transitions. Word has length 113 [2024-11-11 20:44:13,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:44:13,017 INFO L471 AbstractCegarLoop]: Abstraction has 476 states and 744 transitions. [2024-11-11 20:44:13,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 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) [2024-11-11 20:44:13,018 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 744 transitions. [2024-11-11 20:44:13,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-11 20:44:13,020 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:44:13,020 INFO L218 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, 1, 1, 1, 1] [2024-11-11 20:44:13,042 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-11 20:44:13,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 20:44:13,221 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:44:13,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:44:13,222 INFO L85 PathProgramCache]: Analyzing trace with hash 1777955454, now seen corresponding path program 1 times [2024-11-11 20:44:13,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:44:13,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646423564] [2024-11-11 20:44:13,222 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:44:13,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:44:13,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:13,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-11 20:44:13,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:13,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:44:13,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:13,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 20:44:13,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:13,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-11 20:44:13,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:13,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-11 20:44:13,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:13,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-11 20:44:13,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:13,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-11 20:44:13,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:13,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-11 20:44:13,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:13,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-11 20:44:13,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:13,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-11 20:44:13,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:13,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-11 20:44:13,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:13,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-11 20:44:13,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:13,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-11 20:44:13,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:13,437 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-11 20:44:13,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:44:13,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646423564] [2024-11-11 20:44:13,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646423564] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:44:13,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:44:13,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-11 20:44:13,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551967885] [2024-11-11 20:44:13,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:44:13,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 20:44:13,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:44:13,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 20:44:13,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-11 20:44:13,439 INFO L87 Difference]: Start difference. First operand 476 states and 744 transitions. Second operand has 9 states, 8 states have (on average 8.875) internal successors, (71), 5 states have internal predecessors, (71), 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) [2024-11-11 20:44:16,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:44:16,117 INFO L93 Difference]: Finished difference Result 1136 states and 1806 transitions. [2024-11-11 20:44:16,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-11 20:44:16,118 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.875) internal successors, (71), 5 states have internal predecessors, (71), 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 114 [2024-11-11 20:44:16,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:44:16,124 INFO L225 Difference]: With dead ends: 1136 [2024-11-11 20:44:16,124 INFO L226 Difference]: Without dead ends: 683 [2024-11-11 20:44:16,127 INFO L434 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 [2024-11-11 20:44:16,129 INFO L435 NwaCegarLoop]: 220 mSDtfsCounter, 1362 mSDsluCounter, 1183 mSDsCounter, 0 mSdLazyCounter, 3158 mSolverCounterSat, 441 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1363 SdHoareTripleChecker+Valid, 1403 SdHoareTripleChecker+Invalid, 3599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 441 IncrementalHoareTripleChecker+Valid, 3158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-11 20:44:16,129 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1363 Valid, 1403 Invalid, 3599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [441 Valid, 3158 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-11 20:44:16,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683 states. [2024-11-11 20:44:16,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 476. [2024-11-11 20:44:16,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 476 states, 376 states have (on average 1.5691489361702127) internal successors, (590), 380 states have internal predecessors, (590), 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) [2024-11-11 20:44:16,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 743 transitions. [2024-11-11 20:44:16,189 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 743 transitions. Word has length 114 [2024-11-11 20:44:16,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:44:16,191 INFO L471 AbstractCegarLoop]: Abstraction has 476 states and 743 transitions. [2024-11-11 20:44:16,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.875) internal successors, (71), 5 states have internal predecessors, (71), 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) [2024-11-11 20:44:16,191 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 743 transitions. [2024-11-11 20:44:16,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-11 20:44:16,193 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:44:16,193 INFO L218 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, 1, 1, 1, 1, 1, 1] [2024-11-11 20:44:16,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-11 20:44:16,194 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:44:16,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:44:16,195 INFO L85 PathProgramCache]: Analyzing trace with hash -418676615, now seen corresponding path program 2 times [2024-11-11 20:44:16,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:44:16,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204273060] [2024-11-11 20:44:16,196 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:44:16,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:44:16,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:16,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-11 20:44:16,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:16,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:44:16,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:16,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 20:44:16,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:16,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-11 20:44:16,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:16,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-11 20:44:16,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:16,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-11 20:44:16,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:16,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-11 20:44:16,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:16,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-11 20:44:16,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:16,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-11 20:44:16,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:16,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-11 20:44:16,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:16,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-11 20:44:16,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:16,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-11 20:44:16,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:16,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-11 20:44:16,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:16,445 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-11 20:44:16,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:44:16,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204273060] [2024-11-11 20:44:16,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204273060] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:44:16,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:44:16,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-11 20:44:16,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275597480] [2024-11-11 20:44:16,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:44:16,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 20:44:16,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:44:16,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 20:44:16,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-11 20:44:16,448 INFO L87 Difference]: Start difference. First operand 476 states and 743 transitions. Second operand has 9 states, 8 states have (on average 9.0) internal successors, (72), 5 states have internal predecessors, (72), 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) [2024-11-11 20:44:18,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:44:18,838 INFO L93 Difference]: Finished difference Result 1138 states and 1809 transitions. [2024-11-11 20:44:18,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-11 20:44:18,839 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.0) internal successors, (72), 5 states have internal predecessors, (72), 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 115 [2024-11-11 20:44:18,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:44:18,844 INFO L225 Difference]: With dead ends: 1138 [2024-11-11 20:44:18,844 INFO L226 Difference]: Without dead ends: 685 [2024-11-11 20:44:18,846 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-11 20:44:18,847 INFO L435 NwaCegarLoop]: 219 mSDtfsCounter, 1365 mSDsluCounter, 1183 mSDsCounter, 0 mSdLazyCounter, 3130 mSolverCounterSat, 439 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1366 SdHoareTripleChecker+Valid, 1402 SdHoareTripleChecker+Invalid, 3569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 439 IncrementalHoareTripleChecker+Valid, 3130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-11 20:44:18,847 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1366 Valid, 1402 Invalid, 3569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [439 Valid, 3130 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-11 20:44:18,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 685 states. [2024-11-11 20:44:18,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 685 to 478. [2024-11-11 20:44:18,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 478 states, 377 states have (on average 1.5676392572944298) internal successors, (591), 382 states have internal predecessors, (591), 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) [2024-11-11 20:44:18,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 746 transitions. [2024-11-11 20:44:18,885 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 746 transitions. Word has length 115 [2024-11-11 20:44:18,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:44:18,886 INFO L471 AbstractCegarLoop]: Abstraction has 478 states and 746 transitions. [2024-11-11 20:44:18,886 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.0) internal successors, (72), 5 states have internal predecessors, (72), 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) [2024-11-11 20:44:18,886 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 746 transitions. [2024-11-11 20:44:18,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-11 20:44:18,888 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:44:18,888 INFO L218 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, 1, 1, 1, 1, 1, 1] [2024-11-11 20:44:18,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-11 20:44:18,889 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:44:18,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:44:18,890 INFO L85 PathProgramCache]: Analyzing trace with hash 1643917113, now seen corresponding path program 1 times [2024-11-11 20:44:18,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:44:18,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724146805] [2024-11-11 20:44:18,890 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:44:18,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:44:18,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:19,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-11 20:44:19,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:19,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:44:19,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:19,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 20:44:19,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:19,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-11 20:44:19,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:19,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-11 20:44:19,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:19,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-11 20:44:19,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:19,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-11 20:44:19,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:19,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-11 20:44:19,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:19,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-11 20:44:19,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:19,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-11 20:44:19,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:19,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-11 20:44:19,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:19,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-11 20:44:19,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:19,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-11 20:44:19,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:19,131 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-11 20:44:19,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:44:19,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724146805] [2024-11-11 20:44:19,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724146805] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:44:19,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:44:19,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-11 20:44:19,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739437751] [2024-11-11 20:44:19,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:44:19,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-11 20:44:19,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:44:19,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-11 20:44:19,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-11 20:44:19,133 INFO L87 Difference]: Start difference. First operand 478 states and 746 transitions. Second operand has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 8 states have internal predecessors, (76), 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) [2024-11-11 20:44:22,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:44:22,461 INFO L93 Difference]: Finished difference Result 1136 states and 1804 transitions. [2024-11-11 20:44:22,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-11 20:44:22,466 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 8 states have internal predecessors, (76), 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 116 [2024-11-11 20:44:22,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:44:22,470 INFO L225 Difference]: With dead ends: 1136 [2024-11-11 20:44:22,471 INFO L226 Difference]: Without dead ends: 685 [2024-11-11 20:44:22,472 INFO L434 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 [2024-11-11 20:44:22,474 INFO L435 NwaCegarLoop]: 216 mSDtfsCounter, 1368 mSDsluCounter, 1726 mSDsCounter, 0 mSdLazyCounter, 5147 mSolverCounterSat, 469 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1369 SdHoareTripleChecker+Valid, 1942 SdHoareTripleChecker+Invalid, 5616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 469 IncrementalHoareTripleChecker+Valid, 5147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-11 20:44:22,474 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1369 Valid, 1942 Invalid, 5616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [469 Valid, 5147 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-11 20:44:22,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 685 states. [2024-11-11 20:44:22,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 685 to 478. [2024-11-11 20:44:22,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 478 states, 377 states have (on average 1.5676392572944298) internal successors, (591), 382 states have internal predecessors, (591), 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) [2024-11-11 20:44:22,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 745 transitions. [2024-11-11 20:44:22,510 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 745 transitions. Word has length 116 [2024-11-11 20:44:22,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:44:22,510 INFO L471 AbstractCegarLoop]: Abstraction has 478 states and 745 transitions. [2024-11-11 20:44:22,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 8 states have internal predecessors, (76), 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) [2024-11-11 20:44:22,510 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 745 transitions. [2024-11-11 20:44:22,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-11 20:44:22,513 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:44:22,513 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 20:44:22,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-11 20:44:22,514 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:44:22,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:44:22,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1486613876, now seen corresponding path program 2 times [2024-11-11 20:44:22,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:44:22,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256710822] [2024-11-11 20:44:22,515 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:44:22,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:44:22,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:22,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-11 20:44:22,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:22,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:44:22,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:22,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 20:44:22,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:22,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-11 20:44:22,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:22,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-11 20:44:22,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:22,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-11 20:44:22,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:22,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-11 20:44:22,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:22,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-11 20:44:22,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:22,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-11 20:44:22,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:22,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-11 20:44:22,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:22,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-11 20:44:22,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:22,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-11 20:44:22,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:22,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-11 20:44:22,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:22,771 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-11 20:44:22,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:44:22,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256710822] [2024-11-11 20:44:22,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256710822] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:44:22,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:44:22,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-11 20:44:22,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942261521] [2024-11-11 20:44:22,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:44:22,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-11 20:44:22,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:44:22,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-11 20:44:22,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-11 20:44:22,773 INFO L87 Difference]: Start difference. First operand 478 states and 745 transitions. Second operand has 12 states, 11 states have (on average 7.0) internal successors, (77), 8 states have internal predecessors, (77), 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) [2024-11-11 20:44:25,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:44:25,579 INFO L93 Difference]: Finished difference Result 1138 states and 1810 transitions. [2024-11-11 20:44:25,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-11 20:44:25,584 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.0) internal successors, (77), 8 states have internal predecessors, (77), 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 117 [2024-11-11 20:44:25,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:44:25,589 INFO L225 Difference]: With dead ends: 1138 [2024-11-11 20:44:25,589 INFO L226 Difference]: Without dead ends: 687 [2024-11-11 20:44:25,590 INFO L434 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 [2024-11-11 20:44:25,593 INFO L435 NwaCegarLoop]: 219 mSDtfsCounter, 1364 mSDsluCounter, 1726 mSDsCounter, 0 mSdLazyCounter, 5265 mSolverCounterSat, 436 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1365 SdHoareTripleChecker+Valid, 1945 SdHoareTripleChecker+Invalid, 5701 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 436 IncrementalHoareTripleChecker+Valid, 5265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-11 20:44:25,593 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1365 Valid, 1945 Invalid, 5701 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [436 Valid, 5265 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-11 20:44:25,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 687 states. [2024-11-11 20:44:25,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 687 to 480. [2024-11-11 20:44:25,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 480 states, 378 states have (on average 1.566137566137566) internal successors, (592), 384 states have internal predecessors, (592), 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) [2024-11-11 20:44:25,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 751 transitions. [2024-11-11 20:44:25,629 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 751 transitions. Word has length 117 [2024-11-11 20:44:25,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:44:25,630 INFO L471 AbstractCegarLoop]: Abstraction has 480 states and 751 transitions. [2024-11-11 20:44:25,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.0) internal successors, (77), 8 states have internal predecessors, (77), 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) [2024-11-11 20:44:25,631 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 751 transitions. [2024-11-11 20:44:25,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-11 20:44:25,633 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:44:25,633 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 20:44:25,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-11 20:44:25,633 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:44:25,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:44:25,633 INFO L85 PathProgramCache]: Analyzing trace with hash -1171729356, now seen corresponding path program 1 times [2024-11-11 20:44:25,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:44:25,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42905732] [2024-11-11 20:44:25,634 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:44:25,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:44:25,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:25,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-11 20:44:25,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:25,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:44:25,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:25,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 20:44:25,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:25,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-11 20:44:25,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:25,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-11 20:44:25,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:25,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-11 20:44:25,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:25,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-11 20:44:25,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:25,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-11 20:44:25,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:25,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-11 20:44:25,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:25,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-11 20:44:25,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:25,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-11 20:44:25,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:25,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-11 20:44:25,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:25,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-11 20:44:25,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:25,932 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-11 20:44:25,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:44:25,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42905732] [2024-11-11 20:44:25,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42905732] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-11 20:44:25,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [864873907] [2024-11-11 20:44:25,933 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:44:25,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 20:44:25,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 20:44:25,935 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-11 20:44:25,937 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-11 20:44:26,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:26,211 INFO L256 TraceCheckSpWp]: Trace formula consists of 1032 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-11 20:44:26,214 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-11 20:44:26,259 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-11 20:44:26,259 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-11 20:44:26,359 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-11 20:44:26,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [864873907] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-11 20:44:26,360 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-11 20:44:26,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 15 [2024-11-11 20:44:26,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428304316] [2024-11-11 20:44:26,360 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-11 20:44:26,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-11 20:44:26,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:44:26,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-11 20:44:26,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-11-11 20:44:26,362 INFO L87 Difference]: Start difference. First operand 480 states and 751 transitions. Second operand has 15 states, 14 states have (on average 9.071428571428571) internal successors, (127), 11 states have internal predecessors, (127), 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) [2024-11-11 20:44:29,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:44:29,451 INFO L93 Difference]: Finished difference Result 1603 states and 2647 transitions. [2024-11-11 20:44:29,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-11 20:44:29,451 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 9.071428571428571) internal successors, (127), 11 states have internal predecessors, (127), 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 118 [2024-11-11 20:44:29,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:44:29,459 INFO L225 Difference]: With dead ends: 1603 [2024-11-11 20:44:29,459 INFO L226 Difference]: Without dead ends: 1154 [2024-11-11 20:44:29,461 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=164, Invalid=828, Unknown=0, NotChecked=0, Total=992 [2024-11-11 20:44:29,462 INFO L435 NwaCegarLoop]: 208 mSDtfsCounter, 2974 mSDsluCounter, 1996 mSDsCounter, 0 mSdLazyCounter, 5569 mSolverCounterSat, 879 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2995 SdHoareTripleChecker+Valid, 2204 SdHoareTripleChecker+Invalid, 6448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 879 IncrementalHoareTripleChecker+Valid, 5569 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-11 20:44:29,462 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2995 Valid, 2204 Invalid, 6448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [879 Valid, 5569 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-11 20:44:29,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1154 states. [2024-11-11 20:44:29,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1154 to 923. [2024-11-11 20:44:29,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 923 states, 742 states have (on average 1.61455525606469) internal successors, (1198), 748 states have internal predecessors, (1198), 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) [2024-11-11 20:44:29,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 923 states and 1525 transitions. [2024-11-11 20:44:29,518 INFO L78 Accepts]: Start accepts. Automaton has 923 states and 1525 transitions. Word has length 118 [2024-11-11 20:44:29,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:44:29,519 INFO L471 AbstractCegarLoop]: Abstraction has 923 states and 1525 transitions. [2024-11-11 20:44:29,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 9.071428571428571) internal successors, (127), 11 states have internal predecessors, (127), 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) [2024-11-11 20:44:29,519 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 1525 transitions. [2024-11-11 20:44:29,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-11 20:44:29,523 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:44:29,523 INFO L218 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] [2024-11-11 20:44:29,542 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-11 20:44:29,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-11 20:44:29,725 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:44:29,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:44:29,725 INFO L85 PathProgramCache]: Analyzing trace with hash 2136555292, now seen corresponding path program 1 times [2024-11-11 20:44:29,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:44:29,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659670930] [2024-11-11 20:44:29,725 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:44:29,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:44:29,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:29,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-11 20:44:29,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:29,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:44:29,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:29,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 20:44:29,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:29,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-11 20:44:29,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:29,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-11 20:44:29,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:29,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-11 20:44:29,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:29,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-11 20:44:29,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:29,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-11 20:44:29,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:29,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-11 20:44:29,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:29,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-11 20:44:29,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:29,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-11 20:44:29,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:29,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-11 20:44:29,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:29,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-11 20:44:29,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:29,829 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-11 20:44:29,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:44:29,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659670930] [2024-11-11 20:44:29,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659670930] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:44:29,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:44:29,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 20:44:29,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289330203] [2024-11-11 20:44:29,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:44:29,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-11 20:44:29,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:44:29,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-11 20:44:29,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-11 20:44:29,831 INFO L87 Difference]: Start difference. First operand 923 states and 1525 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) [2024-11-11 20:44:31,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:44:31,484 INFO L93 Difference]: Finished difference Result 2398 states and 4056 transitions. [2024-11-11 20:44:31,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-11 20:44:31,485 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 [2024-11-11 20:44:31,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:44:31,495 INFO L225 Difference]: With dead ends: 2398 [2024-11-11 20:44:31,495 INFO L226 Difference]: Without dead ends: 1553 [2024-11-11 20:44:31,499 INFO L434 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 [2024-11-11 20:44:31,500 INFO L435 NwaCegarLoop]: 228 mSDtfsCounter, 1499 mSDsluCounter, 816 mSDsCounter, 0 mSdLazyCounter, 1821 mSolverCounterSat, 521 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1517 SdHoareTripleChecker+Valid, 1044 SdHoareTripleChecker+Invalid, 2342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 521 IncrementalHoareTripleChecker+Valid, 1821 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-11 20:44:31,500 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1517 Valid, 1044 Invalid, 2342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [521 Valid, 1821 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-11 20:44:31,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1553 states. [2024-11-11 20:44:31,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1553 to 1338. [2024-11-11 20:44:31,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1338 states, 1078 states have (on average 1.6307977736549164) internal successors, (1758), 1084 states have internal predecessors, (1758), 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) [2024-11-11 20:44:31,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1338 states to 1338 states and 2253 transitions. [2024-11-11 20:44:31,617 INFO L78 Accepts]: Start accepts. Automaton has 1338 states and 2253 transitions. Word has length 121 [2024-11-11 20:44:31,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:44:31,617 INFO L471 AbstractCegarLoop]: Abstraction has 1338 states and 2253 transitions. [2024-11-11 20:44:31,618 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) [2024-11-11 20:44:31,618 INFO L276 IsEmpty]: Start isEmpty. Operand 1338 states and 2253 transitions. [2024-11-11 20:44:31,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-11 20:44:31,625 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:44:31,625 INFO L218 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] [2024-11-11 20:44:31,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-11 20:44:31,626 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:44:31,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:44:31,626 INFO L85 PathProgramCache]: Analyzing trace with hash -390119952, now seen corresponding path program 1 times [2024-11-11 20:44:31,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:44:31,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384423209] [2024-11-11 20:44:31,627 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:44:31,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:44:31,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:31,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-11 20:44:31,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:31,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:44:31,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:31,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 20:44:31,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:31,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-11 20:44:31,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:31,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-11 20:44:31,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:31,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-11 20:44:31,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:31,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-11 20:44:31,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:31,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-11 20:44:31,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:31,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-11 20:44:31,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:31,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-11 20:44:31,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:31,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-11 20:44:31,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:31,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-11 20:44:31,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:31,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-11 20:44:31,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:31,766 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-11 20:44:31,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:44:31,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384423209] [2024-11-11 20:44:31,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384423209] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:44:31,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:44:31,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 20:44:31,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604398076] [2024-11-11 20:44:31,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:44:31,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-11 20:44:31,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:44:31,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-11 20:44:31,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-11 20:44:31,769 INFO L87 Difference]: Start difference. First operand 1338 states and 2253 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) [2024-11-11 20:44:33,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:44:33,360 INFO L93 Difference]: Finished difference Result 3437 states and 5869 transitions. [2024-11-11 20:44:33,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-11 20:44:33,360 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 [2024-11-11 20:44:33,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:44:33,373 INFO L225 Difference]: With dead ends: 3437 [2024-11-11 20:44:33,373 INFO L226 Difference]: Without dead ends: 2230 [2024-11-11 20:44:33,379 INFO L434 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 [2024-11-11 20:44:33,379 INFO L435 NwaCegarLoop]: 219 mSDtfsCounter, 1500 mSDsluCounter, 806 mSDsCounter, 0 mSdLazyCounter, 1775 mSolverCounterSat, 520 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1519 SdHoareTripleChecker+Valid, 1025 SdHoareTripleChecker+Invalid, 2295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 520 IncrementalHoareTripleChecker+Valid, 1775 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-11 20:44:33,379 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1519 Valid, 1025 Invalid, 2295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [520 Valid, 1775 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-11 20:44:33,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2230 states. [2024-11-11 20:44:33,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2230 to 2015. [2024-11-11 20:44:33,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2015 states, 1636 states have (on average 1.6381418092909537) internal successors, (2680), 1642 states have internal predecessors, (2680), 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) [2024-11-11 20:44:33,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2015 states to 2015 states and 3413 transitions. [2024-11-11 20:44:33,509 INFO L78 Accepts]: Start accepts. Automaton has 2015 states and 3413 transitions. Word has length 122 [2024-11-11 20:44:33,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:44:33,510 INFO L471 AbstractCegarLoop]: Abstraction has 2015 states and 3413 transitions. [2024-11-11 20:44:33,510 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) [2024-11-11 20:44:33,510 INFO L276 IsEmpty]: Start isEmpty. Operand 2015 states and 3413 transitions. [2024-11-11 20:44:33,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-11 20:44:33,519 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:44:33,519 INFO L218 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] [2024-11-11 20:44:33,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-11 20:44:33,520 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:44:33,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:44:33,520 INFO L85 PathProgramCache]: Analyzing trace with hash -1948484118, now seen corresponding path program 1 times [2024-11-11 20:44:33,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:44:33,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726222787] [2024-11-11 20:44:33,521 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:44:33,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:44:33,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:33,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-11 20:44:33,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:33,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:44:33,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:33,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 20:44:33,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:33,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-11 20:44:33,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:33,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-11 20:44:33,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:33,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-11 20:44:33,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:33,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-11 20:44:33,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:33,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-11 20:44:33,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:33,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-11 20:44:33,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:33,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-11 20:44:33,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:33,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-11 20:44:33,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:33,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-11 20:44:33,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:33,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-11 20:44:33,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:33,639 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-11 20:44:33,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:44:33,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726222787] [2024-11-11 20:44:33,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726222787] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:44:33,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:44:33,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 20:44:33,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866029195] [2024-11-11 20:44:33,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:44:33,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-11 20:44:33,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:44:33,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-11 20:44:33,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-11 20:44:33,641 INFO L87 Difference]: Start difference. First operand 2015 states and 3413 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) [2024-11-11 20:44:35,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:44:35,252 INFO L93 Difference]: Finished difference Result 5022 states and 8648 transitions. [2024-11-11 20:44:35,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-11 20:44:35,253 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 [2024-11-11 20:44:35,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:44:35,270 INFO L225 Difference]: With dead ends: 5022 [2024-11-11 20:44:35,270 INFO L226 Difference]: Without dead ends: 3273 [2024-11-11 20:44:35,275 INFO L434 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 [2024-11-11 20:44:35,276 INFO L435 NwaCegarLoop]: 219 mSDtfsCounter, 1501 mSDsluCounter, 805 mSDsCounter, 0 mSdLazyCounter, 1778 mSolverCounterSat, 504 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1519 SdHoareTripleChecker+Valid, 1024 SdHoareTripleChecker+Invalid, 2282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 504 IncrementalHoareTripleChecker+Valid, 1778 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-11 20:44:35,276 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1519 Valid, 1024 Invalid, 2282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [504 Valid, 1778 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-11 20:44:35,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3273 states. [2024-11-11 20:44:35,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3273 to 3058. [2024-11-11 20:44:35,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3058 states, 2517 states have (on average 1.644020659515296) internal successors, (4138), 2523 states have internal predecessors, (4138), 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) [2024-11-11 20:44:35,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3058 states to 3058 states and 5211 transitions. [2024-11-11 20:44:35,414 INFO L78 Accepts]: Start accepts. Automaton has 3058 states and 5211 transitions. Word has length 123 [2024-11-11 20:44:35,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:44:35,414 INFO L471 AbstractCegarLoop]: Abstraction has 3058 states and 5211 transitions. [2024-11-11 20:44:35,415 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) [2024-11-11 20:44:35,415 INFO L276 IsEmpty]: Start isEmpty. Operand 3058 states and 5211 transitions. [2024-11-11 20:44:35,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-11 20:44:35,426 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:44:35,427 INFO L218 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] [2024-11-11 20:44:35,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-11 20:44:35,427 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:44:35,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:44:35,427 INFO L85 PathProgramCache]: Analyzing trace with hash -1144660143, now seen corresponding path program 1 times [2024-11-11 20:44:35,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:44:35,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113395620] [2024-11-11 20:44:35,428 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:44:35,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:44:35,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:35,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-11 20:44:35,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:35,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:44:35,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:35,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 20:44:35,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:35,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-11 20:44:35,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:35,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-11 20:44:35,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:35,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-11 20:44:35,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:35,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-11 20:44:35,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:35,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-11 20:44:35,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:35,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-11 20:44:35,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:35,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-11 20:44:35,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:35,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-11 20:44:35,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:35,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-11 20:44:35,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:35,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-11 20:44:35,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:35,535 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-11 20:44:35,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:44:35,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113395620] [2024-11-11 20:44:35,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113395620] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:44:35,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:44:35,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 20:44:35,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739816143] [2024-11-11 20:44:35,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:44:35,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-11 20:44:35,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:44:35,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-11 20:44:35,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-11 20:44:35,537 INFO L87 Difference]: Start difference. First operand 3058 states and 5211 transitions. Second operand has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 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) [2024-11-11 20:44:37,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:44:37,237 INFO L93 Difference]: Finished difference Result 7536 states and 13063 transitions. [2024-11-11 20:44:37,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-11 20:44:37,237 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 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 124 [2024-11-11 20:44:37,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:44:37,268 INFO L225 Difference]: With dead ends: 7536 [2024-11-11 20:44:37,268 INFO L226 Difference]: Without dead ends: 4963 [2024-11-11 20:44:37,279 INFO L434 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 [2024-11-11 20:44:37,279 INFO L435 NwaCegarLoop]: 218 mSDtfsCounter, 1501 mSDsluCounter, 805 mSDsCounter, 0 mSdLazyCounter, 1762 mSolverCounterSat, 523 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1520 SdHoareTripleChecker+Valid, 1023 SdHoareTripleChecker+Invalid, 2285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 523 IncrementalHoareTripleChecker+Valid, 1762 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-11 20:44:37,280 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1520 Valid, 1023 Invalid, 2285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [523 Valid, 1762 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-11 20:44:37,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4963 states. [2024-11-11 20:44:37,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4963 to 4748. [2024-11-11 20:44:37,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4748 states, 3962 states have (on average 1.6481574962140333) internal successors, (6530), 3968 states have internal predecessors, (6530), 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) [2024-11-11 20:44:37,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4748 states to 4748 states and 8119 transitions. [2024-11-11 20:44:37,548 INFO L78 Accepts]: Start accepts. Automaton has 4748 states and 8119 transitions. Word has length 124 [2024-11-11 20:44:37,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:44:37,549 INFO L471 AbstractCegarLoop]: Abstraction has 4748 states and 8119 transitions. [2024-11-11 20:44:37,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.285714285714286) internal successors, (79), 3 states have internal predecessors, (79), 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) [2024-11-11 20:44:37,549 INFO L276 IsEmpty]: Start isEmpty. Operand 4748 states and 8119 transitions. [2024-11-11 20:44:37,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-11 20:44:37,564 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:44:37,564 INFO L218 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] [2024-11-11 20:44:37,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-11 20:44:37,565 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:44:37,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:44:37,565 INFO L85 PathProgramCache]: Analyzing trace with hash -54830874, now seen corresponding path program 1 times [2024-11-11 20:44:37,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:44:37,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051060521] [2024-11-11 20:44:37,566 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:44:37,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:44:37,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:37,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-11 20:44:37,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:37,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:44:37,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:37,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 20:44:37,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:37,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-11 20:44:37,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:37,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-11 20:44:37,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:37,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-11 20:44:37,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:37,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-11 20:44:37,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:37,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-11 20:44:37,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:37,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-11 20:44:37,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:37,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-11 20:44:37,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:37,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-11 20:44:37,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:37,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-11 20:44:37,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:37,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-11 20:44:37,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:37,696 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-11 20:44:37,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:44:37,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051060521] [2024-11-11 20:44:37,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051060521] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:44:37,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:44:37,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 20:44:37,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11596648] [2024-11-11 20:44:37,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:44:37,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-11 20:44:37,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:44:37,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-11 20:44:37,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-11 20:44:37,700 INFO L87 Difference]: Start difference. First operand 4748 states and 8119 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 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) [2024-11-11 20:44:39,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:44:39,524 INFO L93 Difference]: Finished difference Result 11737 states and 20440 transitions. [2024-11-11 20:44:39,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-11 20:44:39,525 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 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 125 [2024-11-11 20:44:39,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:44:39,561 INFO L225 Difference]: With dead ends: 11737 [2024-11-11 20:44:39,561 INFO L226 Difference]: Without dead ends: 7806 [2024-11-11 20:44:39,572 INFO L434 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 [2024-11-11 20:44:39,573 INFO L435 NwaCegarLoop]: 234 mSDtfsCounter, 1497 mSDsluCounter, 829 mSDsCounter, 0 mSdLazyCounter, 1805 mSolverCounterSat, 515 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1515 SdHoareTripleChecker+Valid, 1063 SdHoareTripleChecker+Invalid, 2320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 515 IncrementalHoareTripleChecker+Valid, 1805 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-11 20:44:39,573 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1515 Valid, 1063 Invalid, 2320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [515 Valid, 1805 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-11 20:44:39,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7806 states. [2024-11-11 20:44:39,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7806 to 7591. [2024-11-11 20:44:39,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7591 states, 6312 states have (on average 1.645912547528517) internal successors, (10389), 6318 states have internal predecessors, (10389), 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) [2024-11-11 20:44:39,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7591 states to 7591 states and 13008 transitions. [2024-11-11 20:44:39,867 INFO L78 Accepts]: Start accepts. Automaton has 7591 states and 13008 transitions. Word has length 125 [2024-11-11 20:44:39,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:44:39,868 INFO L471 AbstractCegarLoop]: Abstraction has 7591 states and 13008 transitions. [2024-11-11 20:44:39,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 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) [2024-11-11 20:44:39,869 INFO L276 IsEmpty]: Start isEmpty. Operand 7591 states and 13008 transitions. [2024-11-11 20:44:39,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-11 20:44:39,886 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:44:39,886 INFO L218 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] [2024-11-11 20:44:39,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-11 20:44:39,887 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:44:39,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:44:39,887 INFO L85 PathProgramCache]: Analyzing trace with hash -1259982763, now seen corresponding path program 1 times [2024-11-11 20:44:39,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:44:39,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064879919] [2024-11-11 20:44:39,888 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:44:39,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:44:39,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:39,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-11 20:44:39,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:39,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:44:39,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:39,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 20:44:39,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:39,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-11 20:44:39,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:39,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-11 20:44:39,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:39,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-11 20:44:39,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:39,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-11 20:44:39,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:39,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-11 20:44:39,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:39,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-11 20:44:39,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:39,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-11 20:44:39,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:39,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-11 20:44:40,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:40,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-11 20:44:40,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:40,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-11 20:44:40,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:40,005 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-11 20:44:40,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:44:40,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064879919] [2024-11-11 20:44:40,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064879919] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:44:40,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:44:40,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 20:44:40,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851317609] [2024-11-11 20:44:40,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:44:40,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-11 20:44:40,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:44:40,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-11 20:44:40,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-11 20:44:40,008 INFO L87 Difference]: Start difference. First operand 7591 states and 13008 transitions. Second operand has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 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) [2024-11-11 20:44:41,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:44:41,798 INFO L93 Difference]: Finished difference Result 19352 states and 33716 transitions. [2024-11-11 20:44:41,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-11 20:44:41,798 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 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 126 [2024-11-11 20:44:41,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:44:41,849 INFO L225 Difference]: With dead ends: 19352 [2024-11-11 20:44:41,849 INFO L226 Difference]: Without dead ends: 12980 [2024-11-11 20:44:41,871 INFO L434 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 [2024-11-11 20:44:41,872 INFO L435 NwaCegarLoop]: 221 mSDtfsCounter, 1492 mSDsluCounter, 806 mSDsCounter, 0 mSdLazyCounter, 1785 mSolverCounterSat, 513 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1510 SdHoareTripleChecker+Valid, 1027 SdHoareTripleChecker+Invalid, 2298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 513 IncrementalHoareTripleChecker+Valid, 1785 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-11 20:44:41,872 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1510 Valid, 1027 Invalid, 2298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [513 Valid, 1785 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-11 20:44:41,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12980 states. [2024-11-11 20:44:42,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12980 to 12765. [2024-11-11 20:44:42,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12765 states, 10664 states have (on average 1.6459114778694675) internal successors, (17552), 10670 states have internal predecessors, (17552), 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) [2024-11-11 20:44:42,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12765 states to 12765 states and 21893 transitions. [2024-11-11 20:44:42,498 INFO L78 Accepts]: Start accepts. Automaton has 12765 states and 21893 transitions. Word has length 126 [2024-11-11 20:44:42,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:44:42,498 INFO L471 AbstractCegarLoop]: Abstraction has 12765 states and 21893 transitions. [2024-11-11 20:44:42,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 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) [2024-11-11 20:44:42,499 INFO L276 IsEmpty]: Start isEmpty. Operand 12765 states and 21893 transitions. [2024-11-11 20:44:42,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-11 20:44:42,527 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:44:42,527 INFO L218 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] [2024-11-11 20:44:42,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-11 20:44:42,528 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:44:42,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:44:42,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1058799084, now seen corresponding path program 1 times [2024-11-11 20:44:42,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:44:42,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273620085] [2024-11-11 20:44:42,529 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:44:42,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:44:42,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:42,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-11 20:44:42,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:42,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:44:42,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:42,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 20:44:42,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:42,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-11 20:44:42,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:42,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-11 20:44:42,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:42,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-11 20:44:42,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:42,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-11 20:44:42,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:42,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-11 20:44:42,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:42,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-11 20:44:42,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:42,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-11 20:44:42,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:42,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-11 20:44:42,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:42,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-11 20:44:42,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:42,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-11 20:44:42,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:42,649 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-11 20:44:42,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:44:42,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273620085] [2024-11-11 20:44:42,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273620085] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:44:42,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:44:42,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 20:44:42,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954340620] [2024-11-11 20:44:42,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:44:42,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-11 20:44:42,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:44:42,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-11 20:44:42,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-11 20:44:42,652 INFO L87 Difference]: Start difference. First operand 12765 states and 21893 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 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) [2024-11-11 20:44:44,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:44:44,514 INFO L93 Difference]: Finished difference Result 30835 states and 53416 transitions. [2024-11-11 20:44:44,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-11 20:44:44,514 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 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 127 [2024-11-11 20:44:44,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:44:44,595 INFO L225 Difference]: With dead ends: 30835 [2024-11-11 20:44:44,596 INFO L226 Difference]: Without dead ends: 20293 [2024-11-11 20:44:44,633 INFO L434 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 [2024-11-11 20:44:44,634 INFO L435 NwaCegarLoop]: 220 mSDtfsCounter, 1494 mSDsluCounter, 784 mSDsCounter, 0 mSdLazyCounter, 1772 mSolverCounterSat, 504 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1512 SdHoareTripleChecker+Valid, 1004 SdHoareTripleChecker+Invalid, 2276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 504 IncrementalHoareTripleChecker+Valid, 1772 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-11 20:44:44,634 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1512 Valid, 1004 Invalid, 2276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [504 Valid, 1772 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-11 20:44:44,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20293 states. [2024-11-11 20:44:45,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20293 to 20078. [2024-11-11 20:44:45,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20078 states, 16774 states have (on average 1.6214379396685346) internal successors, (27198), 16780 states have internal predecessors, (27198), 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) [2024-11-11 20:44:45,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20078 states to 20078 states and 34089 transitions. [2024-11-11 20:44:45,566 INFO L78 Accepts]: Start accepts. Automaton has 20078 states and 34089 transitions. Word has length 127 [2024-11-11 20:44:45,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:44:45,566 INFO L471 AbstractCegarLoop]: Abstraction has 20078 states and 34089 transitions. [2024-11-11 20:44:45,567 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 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) [2024-11-11 20:44:45,567 INFO L276 IsEmpty]: Start isEmpty. Operand 20078 states and 34089 transitions. [2024-11-11 20:44:45,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-11 20:44:45,593 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:44:45,594 INFO L218 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] [2024-11-11 20:44:45,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-11 20:44:45,594 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:44:45,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:44:45,595 INFO L85 PathProgramCache]: Analyzing trace with hash -1977662762, now seen corresponding path program 1 times [2024-11-11 20:44:45,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:44:45,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068300366] [2024-11-11 20:44:45,595 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:44:45,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:44:45,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:45,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-11 20:44:45,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:45,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:44:45,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:45,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 20:44:45,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:45,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-11 20:44:45,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:45,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-11 20:44:45,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:45,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-11 20:44:45,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:45,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-11 20:44:45,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:45,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-11 20:44:45,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:45,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-11 20:44:45,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:45,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-11 20:44:45,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:45,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-11 20:44:45,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:45,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-11 20:44:45,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:45,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-11 20:44:45,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:45,706 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-11 20:44:45,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:44:45,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068300366] [2024-11-11 20:44:45,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068300366] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:44:45,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:44:45,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 20:44:45,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927469171] [2024-11-11 20:44:45,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:44:45,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-11 20:44:45,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:44:45,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-11 20:44:45,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-11 20:44:45,708 INFO L87 Difference]: Start difference. First operand 20078 states and 34089 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 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) [2024-11-11 20:44:48,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:44:48,349 INFO L93 Difference]: Finished difference Result 53277 states and 91950 transitions. [2024-11-11 20:44:48,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-11 20:44:48,350 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 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 128 [2024-11-11 20:44:48,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:44:48,492 INFO L225 Difference]: With dead ends: 53277 [2024-11-11 20:44:48,493 INFO L226 Difference]: Without dead ends: 36099 [2024-11-11 20:44:48,546 INFO L434 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 [2024-11-11 20:44:48,547 INFO L435 NwaCegarLoop]: 218 mSDtfsCounter, 1489 mSDsluCounter, 806 mSDsCounter, 0 mSdLazyCounter, 1772 mSolverCounterSat, 508 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1507 SdHoareTripleChecker+Valid, 1024 SdHoareTripleChecker+Invalid, 2280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 508 IncrementalHoareTripleChecker+Valid, 1772 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-11 20:44:48,547 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1507 Valid, 1024 Invalid, 2280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [508 Valid, 1772 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-11 20:44:48,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36099 states. [2024-11-11 20:44:49,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36099 to 35884. [2024-11-11 20:44:49,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35884 states, 30130 states have (on average 1.618320610687023) internal successors, (48760), 30136 states have internal predecessors, (48760), 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) [2024-11-11 20:44:49,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35884 states to 35884 states and 60825 transitions. [2024-11-11 20:44:49,775 INFO L78 Accepts]: Start accepts. Automaton has 35884 states and 60825 transitions. Word has length 128 [2024-11-11 20:44:49,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:44:49,775 INFO L471 AbstractCegarLoop]: Abstraction has 35884 states and 60825 transitions. [2024-11-11 20:44:49,775 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 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) [2024-11-11 20:44:49,775 INFO L276 IsEmpty]: Start isEmpty. Operand 35884 states and 60825 transitions. [2024-11-11 20:44:49,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-11 20:44:49,795 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:44:49,796 INFO L218 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, 1] [2024-11-11 20:44:49,796 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-11 20:44:49,796 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:44:49,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:44:49,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1123745134, now seen corresponding path program 1 times [2024-11-11 20:44:49,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:44:49,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22038820] [2024-11-11 20:44:49,798 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:44:49,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:44:49,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:49,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-11 20:44:49,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:49,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:44:49,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:49,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 20:44:49,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:49,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-11 20:44:49,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:49,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-11 20:44:49,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:49,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-11 20:44:49,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:49,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-11 20:44:49,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:49,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-11 20:44:49,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:49,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-11 20:44:49,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:49,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-11 20:44:49,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:49,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-11 20:44:49,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:49,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-11 20:44:49,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:49,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-11 20:44:49,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:49,900 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-11 20:44:49,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:44:49,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22038820] [2024-11-11 20:44:49,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22038820] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:44:49,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:44:49,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 20:44:49,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592218477] [2024-11-11 20:44:49,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:44:49,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-11 20:44:49,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:44:49,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-11 20:44:49,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-11 20:44:49,903 INFO L87 Difference]: Start difference. First operand 35884 states and 60825 transitions. Second operand has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 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) [2024-11-11 20:44:53,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:44:53,288 INFO L93 Difference]: Finished difference Result 98124 states and 168509 transitions. [2024-11-11 20:44:53,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-11 20:44:53,288 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 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 129 [2024-11-11 20:44:53,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:44:53,834 INFO L225 Difference]: With dead ends: 98124 [2024-11-11 20:44:53,835 INFO L226 Difference]: Without dead ends: 66096 [2024-11-11 20:44:53,932 INFO L434 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 [2024-11-11 20:44:53,934 INFO L435 NwaCegarLoop]: 223 mSDtfsCounter, 1480 mSDsluCounter, 814 mSDsCounter, 0 mSdLazyCounter, 1822 mSolverCounterSat, 495 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1498 SdHoareTripleChecker+Valid, 1037 SdHoareTripleChecker+Invalid, 2317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 495 IncrementalHoareTripleChecker+Valid, 1822 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-11 20:44:53,934 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1498 Valid, 1037 Invalid, 2317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [495 Valid, 1822 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-11 20:44:53,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66096 states. [2024-11-11 20:44:56,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66096 to 65881. [2024-11-11 20:44:56,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65881 states, 55614 states have (on average 1.6142158449311323) internal successors, (89773), 55620 states have internal predecessors, (89773), 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) [2024-11-11 20:44:56,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65881 states to 65881 states and 111396 transitions. [2024-11-11 20:44:57,035 INFO L78 Accepts]: Start accepts. Automaton has 65881 states and 111396 transitions. Word has length 129 [2024-11-11 20:44:57,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:44:57,035 INFO L471 AbstractCegarLoop]: Abstraction has 65881 states and 111396 transitions. [2024-11-11 20:44:57,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 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) [2024-11-11 20:44:57,036 INFO L276 IsEmpty]: Start isEmpty. Operand 65881 states and 111396 transitions. [2024-11-11 20:44:57,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-11 20:44:57,061 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:44:57,061 INFO L218 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, 1, 1] [2024-11-11 20:44:57,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-11 20:44:57,062 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:44:57,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:44:57,062 INFO L85 PathProgramCache]: Analyzing trace with hash -433585098, now seen corresponding path program 1 times [2024-11-11 20:44:57,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:44:57,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582983704] [2024-11-11 20:44:57,062 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:44:57,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:44:57,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:57,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-11 20:44:57,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:57,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:44:57,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:57,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 20:44:57,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:57,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-11 20:44:57,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:57,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-11 20:44:57,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:57,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-11 20:44:57,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:57,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-11 20:44:57,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:57,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-11 20:44:57,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:57,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-11 20:44:57,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:57,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-11 20:44:57,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:57,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-11 20:44:57,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:57,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-11 20:44:57,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:57,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-11 20:44:57,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:44:57,159 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-11 20:44:57,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:44:57,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582983704] [2024-11-11 20:44:57,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582983704] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:44:57,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:44:57,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 20:44:57,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123248461] [2024-11-11 20:44:57,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:44:57,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-11 20:44:57,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:44:57,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-11 20:44:57,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-11 20:44:57,161 INFO L87 Difference]: Start difference. First operand 65881 states and 111396 transitions. Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-11 20:45:01,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:45:01,379 INFO L93 Difference]: Finished difference Result 123785 states and 212942 transitions. [2024-11-11 20:45:01,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-11 20:45:01,380 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 130 [2024-11-11 20:45:01,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:45:01,897 INFO L225 Difference]: With dead ends: 123785 [2024-11-11 20:45:01,897 INFO L226 Difference]: Without dead ends: 123584 [2024-11-11 20:45:01,961 INFO L434 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 [2024-11-11 20:45:01,963 INFO L435 NwaCegarLoop]: 227 mSDtfsCounter, 1481 mSDsluCounter, 834 mSDsCounter, 0 mSdLazyCounter, 1784 mSolverCounterSat, 511 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1499 SdHoareTripleChecker+Valid, 1061 SdHoareTripleChecker+Invalid, 2295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 511 IncrementalHoareTripleChecker+Valid, 1784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-11 20:45:01,964 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1499 Valid, 1061 Invalid, 2295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [511 Valid, 1784 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-11 20:45:02,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123584 states. [2024-11-11 20:45:05,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123584 to 123369. [2024-11-11 20:45:06,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123369 states, 104734 states have (on average 1.6090763266942922) internal successors, (168525), 104740 states have internal predecessors, (168525), 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) [2024-11-11 20:45:07,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123369 states to 123369 states and 207930 transitions. [2024-11-11 20:45:07,188 INFO L78 Accepts]: Start accepts. Automaton has 123369 states and 207930 transitions. Word has length 130 [2024-11-11 20:45:07,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 20:45:07,189 INFO L471 AbstractCegarLoop]: Abstraction has 123369 states and 207930 transitions. [2024-11-11 20:45:07,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-11 20:45:07,189 INFO L276 IsEmpty]: Start isEmpty. Operand 123369 states and 207930 transitions. [2024-11-11 20:45:07,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-11 20:45:07,213 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 20:45:07,214 INFO L218 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, 1, 1, 1] [2024-11-11 20:45:07,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-11 20:45:07,214 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-11 20:45:07,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 20:45:07,215 INFO L85 PathProgramCache]: Analyzing trace with hash -1191778451, now seen corresponding path program 1 times [2024-11-11 20:45:07,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 20:45:07,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001877226] [2024-11-11 20:45:07,215 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 20:45:07,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 20:45:07,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:45:07,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-11 20:45:07,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:45:07,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-11 20:45:07,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:45:07,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-11 20:45:07,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:45:07,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-11 20:45:07,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:45:07,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-11 20:45:07,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:45:07,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-11 20:45:07,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:45:07,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-11 20:45:07,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:45:07,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-11 20:45:07,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:45:07,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-11 20:45:07,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:45:07,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-11 20:45:07,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:45:07,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-11 20:45:07,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:45:07,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-11 20:45:07,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:45:07,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-11 20:45:07,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 20:45:07,448 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-11 20:45:07,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 20:45:07,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001877226] [2024-11-11 20:45:07,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001877226] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 20:45:07,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 20:45:07,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-11 20:45:07,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459746527] [2024-11-11 20:45:07,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 20:45:07,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-11 20:45:07,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 20:45:07,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-11 20:45:07,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-11 20:45:07,452 INFO L87 Difference]: Start difference. First operand 123369 states and 207930 transitions. Second operand has 10 states, 10 states have (on average 8.6) internal successors, (86), 5 states have internal predecessors, (86), 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) [2024-11-11 20:45:13,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 20:45:13,523 INFO L93 Difference]: Finished difference Result 124161 states and 212460 transitions. [2024-11-11 20:45:13,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-11 20:45:13,523 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.6) internal successors, (86), 5 states have internal predecessors, (86), 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 131 [2024-11-11 20:45:13,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 20:45:14,113 INFO L225 Difference]: With dead ends: 124161 [2024-11-11 20:45:14,113 INFO L226 Difference]: Without dead ends: 123968 [2024-11-11 20:45:14,182 INFO L434 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 [2024-11-11 20:45:14,184 INFO L435 NwaCegarLoop]: 229 mSDtfsCounter, 2287 mSDsluCounter, 1202 mSDsCounter, 0 mSdLazyCounter, 5172 mSolverCounterSat, 689 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2304 SdHoareTripleChecker+Valid, 1431 SdHoareTripleChecker+Invalid, 5861 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 689 IncrementalHoareTripleChecker+Valid, 5172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-11-11 20:45:14,185 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2304 Valid, 1431 Invalid, 5861 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [689 Valid, 5172 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-11-11 20:45:14,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123968 states.